[buildbot] phase1: reformat with black

LEDE Commits lede-commits at lists.infradead.org
Mon Jul 24 05:16:31 PDT 2023


ynezz pushed a commit to buildbot.git, annotated tag v8:
https://git.openwrt.org/e56f359a2c2be5d1b6cd08e390087f242768a1b6

commit e56f359a2c2be5d1b6cd08e390087f242768a1b6
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Sun Jun 18 07:19:32 2023 +0200

    phase1: reformat with black
    
    Making everything consistent, more readable, CI guarded.
    
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 .github/workflows/build-push.yml |    5 +-
 phase1/master.cfg                | 2645 ++++++++++++++++++++++----------------
 2 files changed, 1566 insertions(+), 1084 deletions(-)

diff --git a/.github/workflows/build-push.yml b/.github/workflows/build-push.yml
index b6f1c3c..89d57e3 100644
--- a/.github/workflows/build-push.yml
+++ b/.github/workflows/build-push.yml
@@ -39,9 +39,8 @@ jobs:
       - name: Lint with ruff
         run: ruff phase*/master.cfg
 
-# FIXME
-#     - name: Stylecheck with black
-#       run: black phase*/master.cfg
+      - name: Stylecheck with black
+        run: black phase1/master.cfg
 
   build-test-push:
     name: Build, test and push containers
diff --git a/phase1/master.cfg b/phase1/master.cfg
index 91755cd..799a40b 100644
--- a/phase1/master.cfg
+++ b/phase1/master.cfg
@@ -42,8 +42,8 @@ from buildbot.worker.local import LocalWorker
 
 
 if not os.path.exists("twistd.pid"):
-	with open("twistd.pid", "w") as pidfile:
-		pidfile.write("{}".format(os.getpid()))
+    with open("twistd.pid", "w") as pidfile:
+        pidfile.write("{}".format(os.getpid()))
 
 # This is a sample buildmaster config file. It must be installed as
 # 'master.cfg' in your buildmaster's base directory.
@@ -52,51 +52,53 @@ ini = configparser.ConfigParser()
 ini.read(os.getenv("BUILDMASTER_CONFIG", "./config.ini"))
 
 if "general" not in ini or "phase1" not in ini:
-	raise ValueError("Fix your configuration")
+    raise ValueError("Fix your configuration")
 
-inip1 = ini['phase1']
+inip1 = ini["phase1"]
 
 # Globals
-work_dir = os.path.abspath(ini['general'].get("workdir", "."))
+work_dir = os.path.abspath(ini["general"].get("workdir", "."))
 scripts_dir = os.path.abspath("../scripts")
 
-repo_url = ini['repo'].get("url")
+repo_url = ini["repo"].get("url")
 
 rsync_defopts = ["-v", "--timeout=120"]
 
-#if rsync_bin_url.find("::") > 0 or rsync_bin_url.find("rsync://") == 0:
-#	rsync_bin_defopts += ["--contimeout=20"]
+# if rsync_bin_url.find("::") > 0 or rsync_bin_url.find("rsync://") == 0:
+# 	rsync_bin_defopts += ["--contimeout=20"]
 
 branches = {}
 
+
 def ini_parse_branch(section):
-	b = {}
-	name = section.get("name")
+    b = {}
+    name = section.get("name")
+
+    if not name:
+        raise ValueError("missing 'name' in " + repr(section))
+    if name in branches:
+        raise ValueError("duplicate branch name in " + repr(section))
 
-	if not name:
-		raise ValueError("missing 'name' in " + repr(section))
-	if name in branches:
-		raise ValueError("duplicate branch name in " + repr(section))
+    b["name"] = name
+    b["bin_url"] = section.get("binary_url")
+    b["bin_key"] = section.get("binary_password")
 
-	b["name"] = name
-	b["bin_url"] = section.get("binary_url")
-	b["bin_key"] = section.get("binary_password")
+    b["src_url"] = section.get("source_url")
+    b["src_key"] = section.get("source_password")
 
-	b["src_url"] = section.get("source_url")
-	b["src_key"] = section.get("source_password")
+    b["gpg_key"] = section.get("gpg_key")
 
-	b["gpg_key"] = section.get("gpg_key")
+    b["usign_key"] = section.get("usign_key")
+    usign_comment = "untrusted comment: " + name.replace("-", " ").title() + " key"
+    b["usign_comment"] = section.get("usign_comment", usign_comment)
 
-	b["usign_key"] = section.get("usign_key")
-	usign_comment = "untrusted comment: " + name.replace("-", " ").title() + " key"
-	b["usign_comment"] = section.get("usign_comment", usign_comment)
+    b["config_seed"] = section.get("config_seed")
 
-	b["config_seed"] = section.get("config_seed")
+    b["kmod_archive"] = section.getboolean("kmod_archive", False)
 
-	b["kmod_archive"] = section.getboolean("kmod_archive", False)
+    branches[name] = b
+    log.msg("Configured branch: {}".format(name))
 
-	branches[name] = b
-	log.msg("Configured branch: {}".format(name))
 
 # PB port can be either a numeric port or a connection string
 pb_port = inip1.get("port") or 9989
@@ -111,8 +113,8 @@ c = BuildmasterConfig = {}
 # installation's html.WebStatus home page (linked to the
 # 'titleURL') and is embedded in the title of the waterfall HTML page.
 
-c['title'] = ini['general'].get("title")
-c['titleURL'] = ini['general'].get("title_url")
+c["title"] = ini["general"].get("title")
+c["titleURL"] = ini["general"].get("title_url")
 
 # the 'buildbotURL' string should point to the location where the buildbot's
 # internal web server (usually the html.WebStatus page) is visible. This
@@ -120,7 +122,7 @@ c['titleURL'] = ini['general'].get("title_url")
 # with an externally-visible host name which the buildbot cannot figure out
 # without some help.
 
-c['buildbotURL'] = inip1.get("buildbot_url")
+c["buildbotURL"] = inip1.get("buildbot_url")
 
 ####### BUILDWORKERS
 
@@ -128,362 +130,407 @@ c['buildbotURL'] = inip1.get("buildbot_url")
 # a Worker object, specifying a unique worker name and password.  The same
 # worker name and password must be configured on the worker.
 
-c['workers'] = []
+c["workers"] = []
 NetLocks = dict()
 
+
 def ini_parse_workers(section):
-	name = section.get("name")
-	password = section.get("password")
-	phase = section.getint("phase")
-	tagonly = section.getboolean("tag_only")
-	rsyncipv4 = section.getboolean("rsync_ipv4")
-
-	if not name or not password or not phase == 1:
-		log.msg("invalid worker configuration ignored: {}".format(repr(section)))
-		return
-
-	sl_props = { 'tag_only':tagonly }
-	if "dl_lock" in section:
-		lockname = section.get("dl_lock")
-		sl_props['dl_lock'] = lockname
-		if lockname not in NetLocks:
-			NetLocks[lockname] = locks.MasterLock(lockname)
-	if "ul_lock" in section:
-		lockname = section.get("ul_lock")
-		sl_props['ul_lock'] = lockname
-		if lockname not in NetLocks:
-			NetLocks[lockname] = locks.MasterLock(lockname)
-	if rsyncipv4:
-		sl_props['rsync_ipv4'] = True	# only set prop if required, we use '+' Interpolate substitution
-
-	log.msg("Configured worker: {}".format(name))
-	# NB: phase1 build factory requires workers to be single-build only
-	c['workers'].append(Worker(name, password, max_builds = 1, properties = sl_props))
+    name = section.get("name")
+    password = section.get("password")
+    phase = section.getint("phase")
+    tagonly = section.getboolean("tag_only")
+    rsyncipv4 = section.getboolean("rsync_ipv4")
+
+    if not name or not password or not phase == 1:
+        log.msg("invalid worker configuration ignored: {}".format(repr(section)))
+        return
+
+    sl_props = {"tag_only": tagonly}
+    if "dl_lock" in section:
+        lockname = section.get("dl_lock")
+        sl_props["dl_lock"] = lockname
+        if lockname not in NetLocks:
+            NetLocks[lockname] = locks.MasterLock(lockname)
+    if "ul_lock" in section:
+        lockname = section.get("ul_lock")
+        sl_props["ul_lock"] = lockname
+        if lockname not in NetLocks:
+            NetLocks[lockname] = locks.MasterLock(lockname)
+    if rsyncipv4:
+        sl_props[
+            "rsync_ipv4"
+        ] = True  # only set prop if required, we use '+' Interpolate substitution
+
+    log.msg("Configured worker: {}".format(name))
+    # NB: phase1 build factory requires workers to be single-build only
+    c["workers"].append(Worker(name, password, max_builds=1, properties=sl_props))
 
 
 for section in ini.sections():
-	if section.startswith("branch "):
-		ini_parse_branch(ini[section])
+    if section.startswith("branch "):
+        ini_parse_branch(ini[section])
 
-	if section.startswith("worker "):
-		ini_parse_workers(ini[section])
+    if section.startswith("worker "):
+        ini_parse_workers(ini[section])
 
 # list of branches in build-priority order
 branchNames = [branches[b]["name"] for b in branches]
 
-c['protocols'] = {'pb': {'port': pb_port}}
+c["protocols"] = {"pb": {"port": pb_port}}
 
 # coalesce builds
-c['collapseRequests'] = True
+c["collapseRequests"] = True
 
 # Reduce amount of backlog data
-c['configurators'] = [util.JanitorConfigurator(
-	logHorizon=timedelta(days=3),
-	hour=6,
-)]
+c["configurators"] = [
+    util.JanitorConfigurator(
+        logHorizon=timedelta(days=3),
+        hour=6,
+    )
+]
+
 
 @defer.inlineCallbacks
 def getNewestCompleteTime(bldr):
-	"""Returns the complete_at of the latest completed and not SKIPPED
-	build request for this builder, or None if there are no such build
-	requests. We need to filter out SKIPPED requests because we're
-	using collapseRequests=True which is unfortunately marking all
-	previous requests as complete when new buildset is created.
-
-	@returns: datetime instance or None, via Deferred
-	"""
-
-	bldrid = yield bldr.getBuilderId()
-	completed = yield bldr.master.data.get(
-			('builders', bldrid, 'buildrequests'),
-			[
-				resultspec.Filter('complete', 'eq', [True]),
-				resultspec.Filter('results', 'ne', [results.SKIPPED]),
-			],
-			order=['-complete_at'], limit=1)
-	if not completed:
-		return
-
-	complete_at = completed[0]['complete_at']
-
-	last_build = yield bldr.master.data.get(
-			('builds', ),
-			[
-				resultspec.Filter('builderid', 'eq', [bldrid]),
-			],
-			order=['-started_at'], limit=1)
-
-	if last_build and last_build[0]:
-		last_complete_at = last_build[0]['complete_at']
-		if last_complete_at and (last_complete_at > complete_at):
-			return last_complete_at
-
-	return complete_at
+    """Returns the complete_at of the latest completed and not SKIPPED
+    build request for this builder, or None if there are no such build
+    requests. We need to filter out SKIPPED requests because we're
+    using collapseRequests=True which is unfortunately marking all
+    previous requests as complete when new buildset is created.
+
+    @returns: datetime instance or None, via Deferred
+    """
+
+    bldrid = yield bldr.getBuilderId()
+    completed = yield bldr.master.data.get(
+        ("builders", bldrid, "buildrequests"),
+        [
+            resultspec.Filter("complete", "eq", [True]),
+            resultspec.Filter("results", "ne", [results.SKIPPED]),
+        ],
+        order=["-complete_at"],
+        limit=1,
+    )
+    if not completed:
+        return
+
+    complete_at = completed[0]["complete_at"]
+
+    last_build = yield bldr.master.data.get(
+        ("builds",),
+        [
+            resultspec.Filter("builderid", "eq", [bldrid]),
+        ],
+        order=["-started_at"],
+        limit=1,
+    )
+
+    if last_build and last_build[0]:
+        last_complete_at = last_build[0]["complete_at"]
+        if last_complete_at and (last_complete_at > complete_at):
+            return last_complete_at
+
+    return complete_at
+
 
 @defer.inlineCallbacks
 def prioritizeBuilders(master, builders):
-	"""Returns sorted list of builders by their last timestamp of completed and
-	not skipped build, ordered first by branch name.
+    """Returns sorted list of builders by their last timestamp of completed and
+    not skipped build, ordered first by branch name.
+
+    @returns: list of sorted builders
+    """
 
-	@returns: list of sorted builders
-	"""
+    bldrNamePrio = {"__Janitor": 0, "00_force_build": 0}
+    i = 1
+    for bname in branchNames:
+        bldrNamePrio[bname] = i
+        i += 1
 
-	bldrNamePrio = { "__Janitor": 0, "00_force_build": 0 }
-	i = 1
-	for bname in branchNames:
-		bldrNamePrio[bname] = i
-		i += 1
+    def is_building(bldr):
+        return bool(bldr.building) or bool(bldr.old_building)
 
-	def is_building(bldr):
-		return bool(bldr.building) or bool(bldr.old_building)
+    def bldr_info(bldr):
+        d = defer.maybeDeferred(getNewestCompleteTime, bldr)
+        d.addCallback(lambda complete_at: (complete_at, bldr))
+        return d
 
-	def bldr_info(bldr):
-		d = defer.maybeDeferred(getNewestCompleteTime, bldr)
-		d.addCallback(lambda complete_at: (complete_at, bldr))
-		return d
+    def bldr_sort(item):
+        (complete_at, bldr) = item
 
-	def bldr_sort(item):
-		(complete_at, bldr) = item
+        pos = 99
+        for name, prio in bldrNamePrio.items():
+            if bldr.name.startswith(name):
+                pos = prio
+                break
 
-		pos = 99
-		for (name, prio) in bldrNamePrio.items():
-			if bldr.name.startswith(name):
-				pos = prio
-				break
+        if not complete_at:
+            date = datetime.min
+            complete_at = date.replace(tzinfo=tzutc())
 
-		if not complete_at:
-			date = datetime.min
-			complete_at = date.replace(tzinfo=tzutc())
+        if is_building(bldr):
+            date = datetime.max
+            complete_at = date.replace(tzinfo=tzutc())
 
-		if is_building(bldr):
-			date = datetime.max
-			complete_at = date.replace(tzinfo=tzutc())
+        return (pos, complete_at, bldr.name)
 
-		return (pos, complete_at, bldr.name)
+    results = yield defer.gatherResults([bldr_info(bldr) for bldr in builders])
+    results.sort(key=bldr_sort)
 
-	results = yield defer.gatherResults([bldr_info(bldr) for bldr in builders])
-	results.sort(key=bldr_sort)
+    # for r in results:
+    # 	log.msg("prioritizeBuilders: {:>20} complete_at: {}".format(r[1].name, r[0]))
 
-	#for r in results:
-	#	log.msg("prioritizeBuilders: {:>20} complete_at: {}".format(r[1].name, r[0]))
+    return [r[1] for r in results]
 
-	return [r[1] for r in results]
 
-c['prioritizeBuilders'] = prioritizeBuilders
+c["prioritizeBuilders"] = prioritizeBuilders
 
 ####### CHANGESOURCES
 
 # find targets
 targets = set()
 
+
 def populateTargets():
-	""" fetch a shallow clone of each configured branch in turn:
-	execute dump-target-info.pl and collate the results to ensure
-	targets that only exist in specific branches get built.
-	This takes a while during master startup but is executed only once.
-	"""
-	log.msg("Populating targets, this will take time")
-	sourcegit = work_dir + '/source.git'
-	for branch in branchNames:
-		if os.path.isdir(sourcegit):
-			subprocess.call(["rm", "-rf", sourcegit])
-
-		subprocess.call(["git", "clone", "-q", "--depth=1", "--branch="+branch, repo_url, sourcegit])
-
-		os.makedirs(sourcegit + '/tmp', exist_ok=True)
-		findtargets = subprocess.Popen(['./scripts/dump-target-info.pl', 'targets'],
-			stdout = subprocess.PIPE, stderr = subprocess.DEVNULL, cwd = sourcegit)
-
-		while True:
-			line = findtargets.stdout.readline()
-			if not line:
-				break
-			ta = line.decode().strip().split(' ')
-			targets.add(ta[0])
-
-		subprocess.call(["rm", "-rf", sourcegit])
+    """fetch a shallow clone of each configured branch in turn:
+    execute dump-target-info.pl and collate the results to ensure
+    targets that only exist in specific branches get built.
+    This takes a while during master startup but is executed only once.
+    """
+    log.msg("Populating targets, this will take time")
+    sourcegit = work_dir + "/source.git"
+    for branch in branchNames:
+        if os.path.isdir(sourcegit):
+            subprocess.call(["rm", "-rf", sourcegit])
+
+        subprocess.call(
+            [
+                "git",
+                "clone",
+                "-q",
+                "--depth=1",
+                "--branch=" + branch,
+                repo_url,
+                sourcegit,
+            ]
+        )
+
+        os.makedirs(sourcegit + "/tmp", exist_ok=True)
+        findtargets = subprocess.Popen(
+            ["./scripts/dump-target-info.pl", "targets"],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.DEVNULL,
+            cwd=sourcegit,
+        )
+
+        while True:
+            line = findtargets.stdout.readline()
+            if not line:
+                break
+            ta = line.decode().strip().split(" ")
+            targets.add(ta[0])
+
+        subprocess.call(["rm", "-rf", sourcegit])
+
 
 populateTargets()
 
 # the 'change_source' setting tells the buildmaster how it should find out
 # about source code changes.
 
-c['change_source'] = []
-c['change_source'].append(GitPoller(
-	repo_url,
-	workdir=work_dir+'/work.git', branches=branchNames,
-	pollAtLaunch=True, pollinterval=300))
+c["change_source"] = []
+c["change_source"].append(
+    GitPoller(
+        repo_url,
+        workdir=work_dir + "/work.git",
+        branches=branchNames,
+        pollAtLaunch=True,
+        pollinterval=300,
+    )
+)
 
 ####### SCHEDULERS
 
 # Configure the Schedulers, which decide how to react to incoming changes.
 
+
 # Selector for known valid tags
 class TagChoiceParameter(BaseParameter):
-	spec_attributes = ["strict", "choices"]
-	type = "list"
-	strict = True
+    spec_attributes = ["strict", "choices"]
+    type = "list"
+    strict = True
+
+    def __init__(self, name, label=None, **kw):
+        super().__init__(name, label, **kw)
+        self._choice_list = []
 
-	def __init__(self, name, label=None, **kw):
-		super().__init__(name, label, **kw)
-		self._choice_list = []
+    def getRevTags(self, findtag=None):
+        taglist = []
+        branchvers = []
 
-	def getRevTags(self, findtag=None):
-		taglist = []
-		branchvers = []
+        # we will filter out tags that do no match the configured branches
+        for b in branchNames:
+            basever = re.search(r"-([0-9]+\.[0-9]+)$", b)
+            if basever:
+                branchvers.append(basever[1])
 
-		# we will filter out tags that do no match the configured branches
-		for b in branchNames:
-			basever = re.search(r'-([0-9]+\.[0-9]+)$', b)
-			if basever:
-				branchvers.append(basever[1])
+        # grab tags from remote repository
+        alltags = subprocess.Popen(
+            ["git", "ls-remote", "--tags", repo_url], stdout=subprocess.PIPE
+        )
 
-		# grab tags from remote repository
-		alltags = subprocess.Popen(
-			['git', 'ls-remote', '--tags', repo_url],
-			stdout = subprocess.PIPE)
+        while True:
+            line = alltags.stdout.readline()
 
-		while True:
-			line = alltags.stdout.readline()
+            if not line:
+                break
 
-			if not line:
-				break
+            (rev, tag) = line.split()
 
-			(rev, tag) = line.split()
+            # does it match known format? ('vNN.NN.NN(-rcN)')
+            tagver = re.search(
+                r"\brefs/tags/(v[0-9]+\.[0-9]+\.[0-9]+(?:-rc[0-9]+)?)$",
+                tag.decode().strip(),
+            )
 
-			# does it match known format? ('vNN.NN.NN(-rcN)')
-			tagver = re.search(r'\brefs/tags/(v[0-9]+\.[0-9]+\.[0-9]+(?:-rc[0-9]+)?)$', tag.decode().strip())
+            # only list valid tags matching configured branches
+            if tagver and any(tagver[1][1:].startswith(b) for b in branchvers):
+                # if we want a specific tag, ignore all that don't match
+                if findtag and findtag != tagver[1]:
+                    continue
+                taglist.append({"rev": rev.decode().strip(), "tag": tagver[1]})
 
-			# only list valid tags matching configured branches
-			if tagver and any(tagver[1][1:].startswith(b) for b in branchvers):
-				# if we want a specific tag, ignore all that don't match
-				if findtag and findtag != tagver[1]:
-					continue
-				taglist.append({'rev': rev.decode().strip(), 'tag': tagver[1]})
+        return taglist
 
-		return taglist
+    @property
+    def choices(self):
+        taglist = [rt["tag"] for rt in self.getRevTags()]
+        taglist.sort(
+            reverse=True,
+            key=lambda tag: tag if re.search(r"-rc[0-9]+$", tag) else tag + "-z",
+        )
+        taglist.insert(0, "")
 
-	@property
-	def choices(self):
-		taglist = [rt['tag'] for rt in self.getRevTags()]
-		taglist.sort(reverse=True, key=lambda tag: tag if re.search(r'-rc[0-9]+$', tag) else tag + '-z')
-		taglist.insert(0, '')
+        self._choice_list = taglist
 
-		self._choice_list = taglist
+        return self._choice_list
 
-		return self._choice_list
+    def updateFromKwargs(self, properties, kwargs, **unused):
+        tag = self.getFromKwargs(kwargs)
+        properties[self.name] = tag
 
-	def updateFromKwargs(self, properties, kwargs, **unused):
-		tag = self.getFromKwargs(kwargs)
-		properties[self.name] = tag
+        # find the commit matching the tag
+        findtag = self.getRevTags(tag)
 
-		# find the commit matching the tag
-		findtag = self.getRevTags(tag)
+        if not findtag:
+            raise ValidationError("Couldn't find tag")
 
-		if not findtag:
-			raise ValidationError("Couldn't find tag")
+        properties["force_revision"] = findtag[0]["rev"]
 
-		properties['force_revision'] = findtag[0]['rev']
+        # find the branch matching the tag
+        branch = None
+        branchver = re.search(r"v([0-9]+\.[0-9]+)", tag)
+        for b in branchNames:
+            if b.endswith(branchver[1]):
+                branch = b
 
-		# find the branch matching the tag
-		branch = None
-		branchver = re.search(r'v([0-9]+\.[0-9]+)', tag)
-		for b in branchNames:
-			if b.endswith(branchver[1]):
-				branch = b
+        if not branch:
+            raise ValidationError("Couldn't find branch")
 
-		if not branch:
-			raise ValidationError("Couldn't find branch")
+        properties["force_branch"] = branch
 
-		properties['force_branch'] = branch
+    def parse_from_arg(self, s):
+        if self.strict and s not in self._choice_list:
+            raise ValidationError(
+                "'%s' does not belong to list of available choices '%s'"
+                % (s, self._choice_list)
+            )
+        return s
 
-	def parse_from_arg(self, s):
-		if self.strict and s not in self._choice_list:
-			raise ValidationError("'%s' does not belong to list of available choices '%s'" % (s, self._choice_list))
-		return s
 
 @util.renderer
 @defer.inlineCallbacks
 def builderNames(props):
-	""" since we have per branch and per target builders,
-	address the relevant builder for each new buildrequest
-	based on the request's desired branch and target.
-	"""
-	branch = props.getProperty("branch")
-	target = props.getProperty("target", "")
-
-	if target == "all":
-		target = ""
-
-	# if that didn't work, try sourcestamp to find a branch
-	if not branch:
-		# match builders with target branch
-		ss = props.sourcestamps[0]
-		if ss:
-			branch = ss['branch']
-		else:
-			log.msg("couldn't find builder")
-			return []	# nothing works
-
-	bname = branch + "_" + target
-	builders = []
-
-	for b in (yield props.master.data.get(('builders',))):
-		if not b['name'].startswith(bname):
-			continue
-		builders.append(b['name'])
-
-	return builders
-
-c['schedulers'] = []
-c['schedulers'].append(AnyBranchScheduler(
-	name            = "all",
-	change_filter   = util.ChangeFilter(branch=branchNames),
-	treeStableTimer = 15*60,
-	builderNames    = builderNames))
-
-c['schedulers'].append(ForceScheduler(
-	name         = "force",
-	buttonName   = "Force builds",
-	label        = "Force build details",
-	builderNames = [ "00_force_build" ],
-
-	codebases = [
-		util.CodebaseParameter(
-			"",
-			label      = "Repository",
-			branch     = util.FixedParameter(name = "branch",     default = ""),
-			revision   = util.FixedParameter(name = "revision",   default = ""),
-			repository = util.FixedParameter(name = "repository", default = ""),
-			project    = util.FixedParameter(name = "project",    default = "")
-		)
-	],
-
-	reason = util.StringParameter(
-		name     = "reason",
-		label    = "Reason",
-		default  = "Trigger build",
-		required = True,
-		size     = 80
-	),
-
-	properties = [
-		# NB: avoid nesting to simplify processing of properties
-		util.ChoiceStringParameter(
-			name    = "target",
-			label   = "Build target",
-			default = "all",
-			choices = [ "all" ] + list(targets)
-		),
-		TagChoiceParameter(
-			name    = "tag",
-			label   = "Build tag",
-			default = ""
-		)
-	]
-))
-
-c['schedulers'].append(schedulers.Triggerable(name="trigger", builderNames=builderNames))
+    """since we have per branch and per target builders,
+    address the relevant builder for each new buildrequest
+    based on the request's desired branch and target.
+    """
+    branch = props.getProperty("branch")
+    target = props.getProperty("target", "")
+
+    if target == "all":
+        target = ""
+
+    # if that didn't work, try sourcestamp to find a branch
+    if not branch:
+        # match builders with target branch
+        ss = props.sourcestamps[0]
+        if ss:
+            branch = ss["branch"]
+        else:
+            log.msg("couldn't find builder")
+            return []  # nothing works
+
+    bname = branch + "_" + target
+    builders = []
+
+    for b in (yield props.master.data.get(("builders",))):
+        if not b["name"].startswith(bname):
+            continue
+        builders.append(b["name"])
+
+    return builders
+
+
+c["schedulers"] = []
+c["schedulers"].append(
+    AnyBranchScheduler(
+        name="all",
+        change_filter=util.ChangeFilter(branch=branchNames),
+        treeStableTimer=15 * 60,
+        builderNames=builderNames,
+    )
+)
+
+c["schedulers"].append(
+    ForceScheduler(
+        name="force",
+        buttonName="Force builds",
+        label="Force build details",
+        builderNames=["00_force_build"],
+        codebases=[
+            util.CodebaseParameter(
+                "",
+                label="Repository",
+                branch=util.FixedParameter(name="branch", default=""),
+                revision=util.FixedParameter(name="revision", default=""),
+                repository=util.FixedParameter(name="repository", default=""),
+                project=util.FixedParameter(name="project", default=""),
+            )
+        ],
+        reason=util.StringParameter(
+            name="reason",
+            label="Reason",
+            default="Trigger build",
+            required=True,
+            size=80,
+        ),
+        properties=[
+            # NB: avoid nesting to simplify processing of properties
+            util.ChoiceStringParameter(
+                name="target",
+                label="Build target",
+                default="all",
+                choices=["all"] + list(targets),
+            ),
+            TagChoiceParameter(name="tag", label="Build tag", default=""),
+        ],
+    )
+)
+
+c["schedulers"].append(
+    schedulers.Triggerable(name="trigger", builderNames=builderNames)
+)
 
 ####### BUILDERS
 
@@ -491,791 +538,1225 @@ c['schedulers'].append(schedulers.Triggerable(name="trigger", builderNames=build
 # what steps, and which workers can execute them.  Note that any particular build will
 # only take place on one worker.
 
+
 def IsNoMasterBuild(step):
-	return step.getProperty("branch") != "master"
+    return step.getProperty("branch") != "master"
+
 
 def IsUsignEnabled(step):
-	branch = step.getProperty("branch")
-	return branch and branches[branch].get("usign_key")
+    branch = step.getProperty("branch")
+    return branch and branches[branch].get("usign_key")
+
 
 def IsSignEnabled(step):
-	branch = step.getProperty("branch")
-	return IsUsignEnabled(step) or branch and branches[branch].get("gpg_key")
+    branch = step.getProperty("branch")
+    return IsUsignEnabled(step) or branch and branches[branch].get("gpg_key")
+
 
 def IsKmodArchiveEnabled(step):
-	branch = step.getProperty("branch")
-	return branch and branches[branch].get("kmod_archive")
+    branch = step.getProperty("branch")
+    return branch and branches[branch].get("kmod_archive")
+
 
 def IsKmodArchiveAndRsyncEnabled(step):
-	branch = step.getProperty("branch")
-	return bool(IsKmodArchiveEnabled(step) and branches[branch].get("bin_url"))
+    branch = step.getProperty("branch")
+    return bool(IsKmodArchiveEnabled(step) and branches[branch].get("bin_url"))
+
 
 def GetBaseVersion(branch):
-	if re.match(r"^[^-]+-[0-9]+\.[0-9]+$", branch):
-		return branch.split('-')[1]
-	else:
-		return "master"
+    if re.match(r"^[^-]+-[0-9]+\.[0-9]+$", branch):
+        return branch.split("-")[1]
+    else:
+        return "master"
+
 
 @properties.renderer
 def GetVersionPrefix(props):
-	branch = props.getProperty("branch")
-	basever = GetBaseVersion(branch)
-	if props.hasProperty("tag") and re.match(r"^v[0-9]+\.[0-9]+\.[0-9]+(?:-rc[0-9]+)?$", props["tag"]):
-		return "%s/" % props["tag"][1:]
-	elif basever != "master":
-		return "%s-SNAPSHOT/" % basever
-	else:
-		return ""
+    branch = props.getProperty("branch")
+    basever = GetBaseVersion(branch)
+    if props.hasProperty("tag") and re.match(
+        r"^v[0-9]+\.[0-9]+\.[0-9]+(?:-rc[0-9]+)?$", props["tag"]
+    ):
+        return "%s/" % props["tag"][1:]
+    elif basever != "master":
+        return "%s-SNAPSHOT/" % basever
+    else:
+        return ""
+
 
 @util.renderer
 def GetConfigSeed(props):
-	branch = props.getProperty("branch")
-	return branch and branches[branch].get("config_seed") or ""
+    branch = props.getProperty("branch")
+    return branch and branches[branch].get("config_seed") or ""
+
 
 @util.renderer
 def GetRsyncParams(props, srcorbin, urlorkey):
-	# srcorbin: 'bin' or 'src'; urlorkey: 'url' or 'key'
-	branch = props.getProperty("branch")
-	opt = srcorbin + "_" + urlorkey
-	return branch and branches[branch].get(opt)
+    # srcorbin: 'bin' or 'src'; urlorkey: 'url' or 'key'
+    branch = props.getProperty("branch")
+    opt = srcorbin + "_" + urlorkey
+    return branch and branches[branch].get(opt)
+
 
 @util.renderer
 def GetUsignKey(props):
-	branch = props.getProperty("branch")
-	return branch and branches[branch].get("usign_key")
+    branch = props.getProperty("branch")
+    return branch and branches[branch].get("usign_key")
+
 
 def GetNextBuild(builder, requests):
-	for r in requests:
-		if r.properties:
-			# order tagged build first
-			if r.properties.hasProperty("tag"):
-				return r
+    for r in requests:
+        if r.properties:
+            # order tagged build first
+            if r.properties.hasProperty("tag"):
+                return r
+
+    r = requests[0]
+    # log.msg("GetNextBuild: {:>20} id: {} bsid: {}".format(builder.name, r.id, r.bsid))
+    return r
 
-	r = requests[0]
-	#log.msg("GetNextBuild: {:>20} id: {} bsid: {}".format(builder.name, r.id, r.bsid))
-	return r
 
 def MakeEnv(overrides=None, tryccache=False):
-	env = {
-		'CCC': Interpolate("%(prop:cc_command:-gcc)s"),
-		'CCXX': Interpolate("%(prop:cxx_command:-g++)s"),
-	}
-	if tryccache:
-		env['CC'] = Interpolate("%(prop:builddir)s/ccache_cc.sh")
-		env['CXX'] = Interpolate("%(prop:builddir)s/ccache_cxx.sh")
-		env['CCACHE'] = Interpolate("%(prop:ccache_command:-)s")
-	else:
-		env['CC'] = env['CCC']
-		env['CXX'] = env['CCXX']
-		env['CCACHE'] = ''
-	if overrides is not None:
-		env.update(overrides)
-	return env
+    env = {
+        "CCC": Interpolate("%(prop:cc_command:-gcc)s"),
+        "CCXX": Interpolate("%(prop:cxx_command:-g++)s"),
+    }
+    if tryccache:
+        env["CC"] = Interpolate("%(prop:builddir)s/ccache_cc.sh")
+        env["CXX"] = Interpolate("%(prop:builddir)s/ccache_cxx.sh")
+        env["CCACHE"] = Interpolate("%(prop:ccache_command:-)s")
+    else:
+        env["CC"] = env["CCC"]
+        env["CXX"] = env["CCXX"]
+        env["CCACHE"] = ""
+    if overrides is not None:
+        env.update(overrides)
+    return env
+
 
 @properties.renderer
 def NetLockDl(props, extralock=None):
-	lock = None
-	if props.hasProperty("dl_lock"):
-		lock = NetLocks[props["dl_lock"]]
-	if lock is not None:
-		return [lock.access('exclusive')]
-	else:
-		return []
+    lock = None
+    if props.hasProperty("dl_lock"):
+        lock = NetLocks[props["dl_lock"]]
+    if lock is not None:
+        return [lock.access("exclusive")]
+    else:
+        return []
+
 
 @properties.renderer
 def NetLockUl(props):
-	lock = None
-	if props.hasProperty("ul_lock"):
-		lock = NetLocks[props["ul_lock"]]
-	if lock is not None:
-		return [lock.access('exclusive')]
-	else:
-		return []
+    lock = None
+    if props.hasProperty("ul_lock"):
+        lock = NetLocks[props["ul_lock"]]
+    if lock is not None:
+        return [lock.access("exclusive")]
+    else:
+        return []
+
 
 def IsTargetSelected(target):
-	def CheckTargetProperty(step):
-		selected_target = step.getProperty("target", "all")
-		if selected_target != "all" and selected_target != target:
-			return False
-		return True
+    def CheckTargetProperty(step):
+        selected_target = step.getProperty("target", "all")
+        if selected_target != "all" and selected_target != target:
+            return False
+        return True
+
+    return CheckTargetProperty
 
-	return CheckTargetProperty
 
 @util.renderer
 def UsignSec2Pub(props):
-	branch = props.getProperty("branch")
-	try:
-		comment = branches[branch].get("usign_comment") or "untrusted comment: secret key"
-		seckey = branches[branch].get("usign_key")
-		seckey = base64.b64decode(seckey)
-	except Exception:
-		return None
-
-	return "{}\n{}".format(re.sub(r"\bsecret key$", "public key", comment),
-		base64.b64encode(seckey[0:2] + seckey[32:40] + seckey[72:]))
+    branch = props.getProperty("branch")
+    try:
+        comment = (
+            branches[branch].get("usign_comment") or "untrusted comment: secret key"
+        )
+        seckey = branches[branch].get("usign_key")
+        seckey = base64.b64decode(seckey)
+    except Exception:
+        return None
+
+    return "{}\n{}".format(
+        re.sub(r"\bsecret key$", "public key", comment),
+        base64.b64encode(seckey[0:2] + seckey[32:40] + seckey[72:]),
+    )
 
 
 def canStartBuild(builder, wfb, request):
-	""" filter out non tag requests for tag_only workers. """
-	wtagonly = wfb.worker.properties.getProperty('tag_only')
-	tag = request.properties.getProperty('tag')
+    """filter out non tag requests for tag_only workers."""
+    wtagonly = wfb.worker.properties.getProperty("tag_only")
+    tag = request.properties.getProperty("tag")
+
+    if wtagonly and not tag:
+        return False
 
-	if wtagonly and not tag:
-		return False
+    return True
 
-	return True
 
-c['builders'] = []
+c["builders"] = []
 
-workerNames = [ ]
+workerNames = []
 
-for worker in c['workers']:
-	workerNames.append(worker.workername)
+for worker in c["workers"]:
+    workerNames.append(worker.workername)
 
 # add a single LocalWorker to handle the forcebuild builder
-c['workers'].append(LocalWorker("__local_force_build", max_builds=1))
+c["workers"].append(LocalWorker("__local_force_build", max_builds=1))
 
 force_factory = BuildFactory()
-force_factory.addStep(steps.Trigger(
-	name = "trigger_build",
-	schedulerNames = [ "trigger" ],
-	sourceStamps = [{ "codebase": "", "branch": Property("force_branch"), "revision": Property("force_revision"), "repository": repo_url, "project": "" }],
-	set_properties = { "reason": Property("reason"), "tag": Property("tag"), "target": Property("target") },
-))
-
-c['builders'].append(BuilderConfig(
-	name        = "00_force_build",
-	workername  = "__local_force_build",
-	factory     = force_factory))
+force_factory.addStep(
+    steps.Trigger(
+        name="trigger_build",
+        schedulerNames=["trigger"],
+        sourceStamps=[
+            {
+                "codebase": "",
+                "branch": Property("force_branch"),
+                "revision": Property("force_revision"),
+                "repository": repo_url,
+                "project": "",
+            }
+        ],
+        set_properties={
+            "reason": Property("reason"),
+            "tag": Property("tag"),
+            "target": Property("target"),
+        },
+    )
+)
+
+c["builders"].append(
+    BuilderConfig(
+        name="00_force_build", workername="__local_force_build", factory=force_factory
+    )
+)
 
 
 # NB the phase1 build factory assumes workers are single-build only
 for target in targets:
-	ts = target.split('/')
-
-	factory = BuildFactory()
-
-	# setup shared work directory if required
-	factory.addStep(ShellCommand(
-		name = "sharedwd",
-		descriptionDone = "Shared work directory set up",
-		command = 'test -L "$PWD" || (mkdir -p ../shared-workdir && rm -rf "$PWD" && ln -s shared-workdir "$PWD")',
-		workdir = ".",
-		haltOnFailure = True,
-	))
-
-	# find number of cores
-	factory.addStep(SetPropertyFromCommand(
-		name = "nproc",
-		property = "nproc",
-		description = "Finding number of CPUs",
-		command = ["nproc"],
-	))
-
-	# find gcc and g++ compilers
-	factory.addStep(FileDownload(
-		name = "dlfindbinpl",
-		mastersrc = scripts_dir + '/findbin.pl',
-		workerdest = "../findbin.pl",
-		mode = 0o755,
-	))
-
-	factory.addStep(SetPropertyFromCommand(
-		name = "gcc",
-		property = "cc_command",
-		description = "Finding gcc command",
-		command = ["../findbin.pl", "gcc", "", ""],
-		haltOnFailure = True,
-	))
-
-	factory.addStep(SetPropertyFromCommand(
-		name = "g++",
-		property = "cxx_command",
-		description = "Finding g++ command",
-		command = ["../findbin.pl", "g++", "", ""],
-		haltOnFailure = True,
-	))
-
-	# see if ccache is available
-	factory.addStep(SetPropertyFromCommand(
-		name = "ccache",
-		property = "ccache_command",
-		description = "Testing for ccache command",
-		command = ["which", "ccache"],
-		haltOnFailure = False,
-		flunkOnFailure = False,
-		warnOnFailure = False,
-		hideStepIf = lambda r, s: r==results.FAILURE,
-	))
-
-	# check out the source
-	# Git() runs:
-	# if repo doesn't exist: 'git clone repourl'
-	# method 'clean' runs 'git clean -d -f', method fresh runs 'git clean -f -f -d -x'. Only works with mode='full'
-	# git cat-file -e <commit>
-	# git checkout -f <commit>
-	# git checkout -B <branch>
-	# git rev-parse HEAD
-	factory.addStep(Git(
-		name = "git",
-		repourl = repo_url,
-		mode = 'full',
-		method = 'fresh',
-		locks = NetLockDl,
-		haltOnFailure = True,
-	))
-
-	# workaround for https://github.com/openwrt/buildbot/issues/5
-	factory.addStep(Git(
-		name = "git me once more please",
-		repourl = repo_url,
-		mode = 'full',
-		method = 'fresh',
-		locks = NetLockDl,
-		haltOnFailure = True,
-	))
-
-	# update remote refs
-	factory.addStep(ShellCommand(
-		name = "fetchrefs",
-		description = "Fetching Git remote refs",
-		descriptionDone = "Git remote refs fetched",
-		command = ["git", "fetch", "origin", Interpolate("+refs/heads/%(prop:branch)s:refs/remotes/origin/%(prop:branch)s")],
-		haltOnFailure = True,
-	))
-
-	# getver.sh requires local branches to track upstream otherwise version computation fails.
-	# Git() does not set tracking branches when cloning or switching, so work around this here
-	factory.addStep(ShellCommand(
-		name = "trackupstream",
-		description = "Setting upstream branch",
-		descriptionDone = "getver.sh is happy now",
-		command = ["git", "branch", "-u", Interpolate("origin/%(prop:branch)s")],
-		haltOnFailure = True,
-	))
-
-	# Verify that Git HEAD points to a tag or branch
-	# Ref: https://web.archive.org/web/20190729224316/http://lists.infradead.org/pipermail/openwrt-devel/2019-June/017809.html
-	factory.addStep(ShellCommand(
-		name = "gitverify",
-		description = "Ensuring that Git HEAD is pointing to a branch or tag",
-		descriptionDone = "Git HEAD is sane",
-		command = 'git rev-parse --abbrev-ref HEAD | grep -vxqF HEAD || git show-ref --tags --dereference 2>/dev/null | sed -ne "/^$(git rev-parse HEAD) / { s|^.*/||; s|\\^.*||; p }" | grep -qE "^v[0-9][0-9]\\."',
-		haltOnFailure = True,
-	))
-
-	factory.addStep(StringDownload(
-		name = "ccachecc",
-		s = '#!/bin/sh\nexec ${CCACHE} ${CCC} "$@"\n',
-		workerdest = "../ccache_cc.sh",
-		mode = 0o755,
-	))
-
-	factory.addStep(StringDownload(
-		name = "ccachecxx",
-		s = '#!/bin/sh\nexec ${CCACHE} ${CCXX} "$@"\n',
-		workerdest = "../ccache_cxx.sh",
-		mode = 0o755,
-	))
-
-	# feed
-	factory.addStep(ShellCommand(
-		name = "updatefeeds",
-		description = "Updating feeds",
-		command=["./scripts/feeds", "update"],
-		env = MakeEnv(tryccache=True),
-		haltOnFailure = True,
-		locks = NetLockDl,
-	))
-
-	# feed
-	factory.addStep(ShellCommand(
-		name = "installfeeds",
-		description = "Installing feeds",
-		command=["./scripts/feeds", "install", "-a"],
-		env = MakeEnv(tryccache=True),
-		haltOnFailure = True,
-	))
-
-	# seed config
-	factory.addStep(StringDownload(
-		name = "dlconfigseed",
-		s = Interpolate("%(kw:seed)s\n", seed=GetConfigSeed),
-		workerdest = ".config",
-		mode = 0o644,
-	))
-
-	# configure
-	factory.addStep(ShellCommand(
-		name = "newconfig",
-		descriptionDone = ".config seeded",
-		command = Interpolate("printf 'CONFIG_TARGET_%(kw:target)s=y\\nCONFIG_TARGET_%(kw:target)s_%(kw:subtarget)s=y\\nCONFIG_SIGNED_PACKAGES=%(kw:usign:#?|y|n)s\\n' >> .config", target=ts[0], subtarget=ts[1], usign=GetUsignKey),
-	))
-
-	factory.addStep(ShellCommand(
-		name = "defconfig",
-		description = "Populating .config",
-		command = ["make", "defconfig"],
-		env = MakeEnv(),
-	))
-
-	# check arch - exit early if does not exist - NB: some targets do not define CONFIG_TARGET_target_subtarget
-	factory.addStep(ShellCommand(
-		name = "checkarch",
-		description = "Checking architecture",
-		descriptionDone = "Architecture validated",
-		command = 'grep -sq CONFIG_TARGET_%s=y .config && grep -sq CONFIG_TARGET_SUBTARGET=\\"%s\\" .config' %(ts[0], ts[1]),
-		logEnviron = False,
-		want_stdout = False,
-		want_stderr = False,
-		haltOnFailure = True,
-		flunkOnFailure = False,	# this is not a build FAILURE - TODO mark build as SKIPPED
-	))
-
-	# find libc suffix
-	factory.addStep(SetPropertyFromCommand(
-		name = "libc",
-		property = "libc",
-		description = "Finding libc suffix",
-		command = ["sed", "-ne", '/^CONFIG_LIBC=/ { s!^CONFIG_LIBC="\\(.*\\)"!\\1!; s!^musl$!!; s!.\\+!-&!p }', ".config"],
-	))
-
-	# install build key
-	factory.addStep(StringDownload(
-		name = "dlkeybuildpub",
-		s = Interpolate("%(kw:sec2pub)s", sec2pub=UsignSec2Pub),
-		workerdest = "key-build.pub",
-		mode = 0o600,
-		doStepIf = IsUsignEnabled,
-	))
-
-	factory.addStep(StringDownload(
-		name = "dlkeybuild",
-		s = "# fake private key",
-		workerdest = "key-build",
-		mode = 0o600,
-		doStepIf = IsUsignEnabled,
-	))
-
-	factory.addStep(StringDownload(
-		name = "dlkeybuilducert",
-		s = "# fake certificate",
-		workerdest = "key-build.ucert",
-		mode = 0o600,
-		doStepIf = IsUsignEnabled,
-	))
-
-	# prepare dl
-	factory.addStep(ShellCommand(
-		name = "dldir",
-		description = "Preparing dl/",
-		descriptionDone = "dl/ prepared",
-		command = 'mkdir -p ../dl && rm -rf "build/dl" && ln -s ../../dl "build/dl"',
-		workdir = Property("builddir"),
-		logEnviron = False,
-		want_stdout = False,
-	))
-
-	# cleanup dl
-	factory.addStep(ShellCommand(
-		name = "dlprune",
-		description = "Pruning dl/",
-		descriptionDone = "dl/ pruned",
-		command = 'find dl/ -mindepth 1 -atime +15 -delete -print',
-		logEnviron = False,
-	))
-
-	# prepare tar
-	factory.addStep(ShellCommand(
-		name = "dltar",
-		description = "Building and installing GNU tar",
-		descriptionDone = "GNU tar built and installed",
-		command = ["make", Interpolate("-j%(prop:nproc:-1)s"), "tools/tar/compile", "V=s"],
-		env = MakeEnv(tryccache=True),
-		haltOnFailure = True,
-	))
-
-	# populate dl
-	factory.addStep(ShellCommand(
-		name = "dlrun",
-		description = "Populating dl/",
-		descriptionDone = "dl/ populated",
-		command = ["make", Interpolate("-j%(prop:nproc:-1)s"), "download", "V=s"],
-		env = MakeEnv(),
-		logEnviron = False,
-		locks = NetLockDl,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "cleanbase",
-		description = "Cleaning base-files",
-		command=["make", "package/base-files/clean", "V=s"],
-	))
-
-	# build
-	factory.addStep(ShellCommand(
-		name = "tools",
-		description = "Building and installing tools",
-		descriptionDone = "Tools built and installed",
-		command = ["make", Interpolate("-j%(prop:nproc:-1)s"), "tools/install", "V=s"],
-		env = MakeEnv(tryccache=True),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "toolchain",
-		description = "Building and installing toolchain",
-		descriptionDone = "Toolchain built and installed",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "toolchain/install", "V=s"],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "kmods",
-		description = "Building kmods",
-		descriptionDone = "Kmods built",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "target/compile", "V=s", "IGNORE_ERRORS=n m", "BUILD_LOG=1"],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	# find kernel version
-	factory.addStep(SetPropertyFromCommand(
-		name = "kernelversion",
-		property = "kernelversion",
-		description = "Finding the effective Kernel version",
-		command = "make --no-print-directory -C target/linux/ val.LINUX_VERSION val.LINUX_RELEASE val.LINUX_VERMAGIC | xargs printf '%s-%s-%s\\n'",
-		env = { 'TOPDIR': Interpolate("%(prop:builddir)s/build") },
-	))
-
-	factory.addStep(ShellCommand(
-		name = "pkgclean",
-		description = "Cleaning up package build",
-		descriptionDone = "Package build cleaned up",
-		command=["make", "package/cleanup", "V=s"],
-	))
-
-	factory.addStep(ShellCommand(
-		name = "pkgbuild",
-		description = "Building packages",
-		descriptionDone = "Packages built",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "package/compile", "V=s", "IGNORE_ERRORS=n m", "BUILD_LOG=1"],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "pkginstall",
-		description = "Installing packages",
-		descriptionDone = "Packages installed",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "package/install", "V=s"],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "pkgindex",
-		description = "Indexing packages",
-		descriptionDone = "Packages indexed",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "package/index", "V=s", "CONFIG_SIGNED_PACKAGES="],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "images",
-		description = "Building and installing images",
-		descriptionDone = "Images built and installed",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "target/install", "V=s"],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "buildinfo",
-		description = "Generating config.buildinfo, version.buildinfo and feeds.buildinfo",
-		command = "make -j1 buildinfo V=s || true",
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "json_overview_image_info",
-		description = "Generating profiles.json in target folder",
-		command = "make -j1 json_overview_image_info V=s || true",
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "checksums",
-		description = "Calculating checksums",
-		descriptionDone = "Checksums calculated",
-		command=["make", "-j1", "checksum", "V=s"],
-		env = MakeEnv(),
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "kmoddir",
-		descriptionDone = "Kmod directory created",
-		command=["mkdir", "-p", Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s", target=ts[0], subtarget=ts[1])],
-		haltOnFailure = True,
-		doStepIf = IsKmodArchiveEnabled,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "kmodprepare",
-		description = "Preparing kmod archive",
-		descriptionDone = "Kmod archive prepared",
-		command=["rsync", "--include=/kmod-*.ipk", "--exclude=*", "-va",
-			Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/packages/", target=ts[0], subtarget=ts[1]),
-			Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s/", target=ts[0], subtarget=ts[1])],
-		haltOnFailure = True,
-		doStepIf = IsKmodArchiveEnabled,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "kmodindex",
-		description = "Indexing kmod archive",
-		descriptionDone = "Kmod archive indexed",
-		command=["make", Interpolate("-j%(prop:nproc:-1)s"), "package/index", "V=s", "CONFIG_SIGNED_PACKAGES=",
-			Interpolate("PACKAGE_SUBDIRS=bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s/", target=ts[0], subtarget=ts[1])],
-		env = MakeEnv(),
-		haltOnFailure = True,
-		doStepIf = IsKmodArchiveEnabled,
-	))
-
-	# sign
-	factory.addStep(MasterShellCommand(
-		name = "signprepare",
-		descriptionDone = "Temporary signing directory prepared",
-		command = ["mkdir", "-p", "%s/signing" %(work_dir)],
-		haltOnFailure = True,
-		doStepIf = IsSignEnabled,
-
-	))
-
-	factory.addStep(ShellCommand(
-		name = "signpack",
-		description = "Packing files to sign",
-		descriptionDone = "Files to sign packed",
-		command = Interpolate("find bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/ bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/ -mindepth 1 -maxdepth 2 -type f -name sha256sums -print0 -or -name Packages -print0 | xargs -0 tar -czf sign.tar.gz", target=ts[0], subtarget=ts[1]),
-		haltOnFailure = True,
-		doStepIf = IsSignEnabled,
-	))
-
-	factory.addStep(FileUpload(
-		workersrc = "sign.tar.gz",
-		masterdest = "%s/signing/%s.%s.tar.gz" %(work_dir, ts[0], ts[1]),
-		haltOnFailure = True,
-		doStepIf = IsSignEnabled,
-	))
-
-	factory.addStep(MasterShellCommand(
-		name = "signfiles",
-		description = "Signing files",
-		descriptionDone = "Files signed",
-		command = ["%s/signall.sh" %(scripts_dir), "%s/signing/%s.%s.tar.gz" %(work_dir, ts[0], ts[1]), Interpolate("%(prop:branch)s")],
-		env = { 'CONFIG_INI': os.getenv("BUILDMASTER_CONFIG", "./config.ini") },
-		haltOnFailure = True,
-		doStepIf = IsSignEnabled,
-	))
-
-	factory.addStep(FileDownload(
-		name = "dlsigntargz",
-		mastersrc = "%s/signing/%s.%s.tar.gz" %(work_dir, ts[0], ts[1]),
-		workerdest = "sign.tar.gz",
-		haltOnFailure = True,
-		doStepIf = IsSignEnabled,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "signunpack",
-		description = "Unpacking signed files",
-		descriptionDone = "Signed files unpacked",
-		command = ["tar", "-xzf", "sign.tar.gz"],
-		haltOnFailure = True,
-		doStepIf = IsSignEnabled,
-	))
-
-	# upload
-	factory.addStep(ShellCommand(
-		name = "dirprepare",
-		descriptionDone = "Upload directory structure prepared",
-		command = ["mkdir", "-p", Interpolate("tmp/upload/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s", target=ts[0], subtarget=ts[1], prefix=GetVersionPrefix)],
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "linkprepare",
-		descriptionDone = "Repository symlink prepared",
-		command = ["ln", "-s", "-f", Interpolate("../packages-%(kw:basever)s", basever=util.Transform(GetBaseVersion, Property("branch"))), Interpolate("tmp/upload/%(kw:prefix)spackages", prefix=GetVersionPrefix)],
-		doStepIf = IsNoMasterBuild,
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "kmoddirprepare",
-		descriptionDone = "Kmod archive upload directory prepared",
-		command = ["mkdir", "-p", Interpolate("tmp/upload/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/kmods/%(prop:kernelversion)s", target=ts[0], subtarget=ts[1], prefix=GetVersionPrefix)],
-		haltOnFailure = True,
-		doStepIf = IsKmodArchiveEnabled,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "dirupload",
-		description = "Uploading directory structure",
-		descriptionDone = "Directory structure uploaded",
-		command = ["rsync", Interpolate("-az%(prop:rsync_ipv4:+4)s")] + rsync_defopts + ["tmp/upload/", Interpolate("%(kw:url)s/", url=GetRsyncParams.withArgs("bin", "url"))],
-		env={ 'RSYNC_PASSWORD': Interpolate("%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")) },
-		haltOnFailure = True,
-		logEnviron = False,
-		locks = NetLockUl,
-		doStepIf = util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
-	))
-
-	# download remote sha256sums to 'target-sha256sums'
-	factory.addStep(ShellCommand(
-		name = "target-sha256sums",
-		description = "Fetching remote sha256sums for target",
-		descriptionDone = "Remote sha256sums for target fetched",
-		command = ["rsync", Interpolate("-z%(prop:rsync_ipv4:+4)s")] + rsync_defopts + [Interpolate("%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/sha256sums", url=GetRsyncParams.withArgs("bin", "url"), target=ts[0], subtarget=ts[1], prefix=GetVersionPrefix), "target-sha256sums"],
-		env={ 'RSYNC_PASSWORD': Interpolate("%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")) },
-		logEnviron = False,
-		haltOnFailure = False,
-		flunkOnFailure = False,
-		warnOnFailure = False,
-		doStepIf = util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
-	))
-
-	# build list of files to upload
-	factory.addStep(FileDownload(
-		name = "dlsha2rsyncpl",
-		mastersrc = scripts_dir + '/sha2rsync.pl',
-		workerdest = "../sha2rsync.pl",
-		mode = 0o755,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "buildlist",
-		description = "Building list of files to upload",
-		descriptionDone = "List of files to upload built",
-		command = ["../sha2rsync.pl", "target-sha256sums", Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/sha256sums", target=ts[0], subtarget=ts[1]), "rsynclist"],
-		haltOnFailure = True,
-	))
-
-	factory.addStep(FileDownload(
-		name = "dlrsync.sh",
-		mastersrc = scripts_dir + '/rsync.sh',
-		workerdest = "../rsync.sh",
-		mode = 0o755,
-	))
-
-	# upload new files and update existing ones
-	factory.addStep(ShellCommand(
-		name = "targetupload",
-		description = "Uploading target files",
-		descriptionDone = "Target files uploaded",
-		command=["../rsync.sh", "--exclude=/kmods/", "--files-from=rsynclist", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1])] + rsync_defopts +
-			[Interpolate("-a%(prop:rsync_ipv4:+4)s"), Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/", target=ts[0], subtarget=ts[1]),
-			Interpolate("%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/", url=GetRsyncParams.withArgs("bin", "url"), target=ts[0], subtarget=ts[1], prefix=GetVersionPrefix)],
-		env={ 'RSYNC_PASSWORD': Interpolate("%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")) },
-		haltOnFailure = True,
-		logEnviron = False,
-		doStepIf = util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
-	))
-
-	# delete files which don't exist locally
-	factory.addStep(ShellCommand(
-		name = "targetprune",
-		description = "Pruning target files",
-		descriptionDone = "Target files pruned",
-		command=["../rsync.sh", "--exclude=/kmods/", "--delete", "--existing", "--ignore-existing", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1])] + rsync_defopts +
-			[Interpolate("-a%(prop:rsync_ipv4:+4)s"), Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/", target=ts[0], subtarget=ts[1]),
-			Interpolate("%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/", url=GetRsyncParams.withArgs("bin", "url"), target=ts[0], subtarget=ts[1], prefix=GetVersionPrefix)],
-		env={ 'RSYNC_PASSWORD': Interpolate("%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")) },
-		haltOnFailure = True,
-		logEnviron = False,
-		locks = NetLockUl,
-		doStepIf = util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
-	))
-
-	factory.addStep(ShellCommand(
-		name = "kmodupload",
-		description = "Uploading kmod archive",
-		descriptionDone = "Kmod archive uploaded",
-		command=["../rsync.sh", "--delete", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1])] + rsync_defopts +
-			[Interpolate("-a%(prop:rsync_ipv4:+4)s"), Interpolate("bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s/", target=ts[0], subtarget=ts[1]),
-			Interpolate("%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/kmods/%(prop:kernelversion)s/", url=GetRsyncParams.withArgs("bin", "url"), target=ts[0], subtarget=ts[1], prefix=GetVersionPrefix)],
-		env={ 'RSYNC_PASSWORD': Interpolate("%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")) },
-		haltOnFailure = True,
-		logEnviron = False,
-		locks = NetLockUl,
-		doStepIf = IsKmodArchiveAndRsyncEnabled,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "sourcelist",
-		description = "Finding source archives to upload",
-		descriptionDone = "Source archives to upload found",
-		command = "find dl/ -maxdepth 1 -type f -not -size 0 -not -name '.*' -not -name '*.hash' -not -name '*.dl' -newer .config -printf '%f\\n' > sourcelist",
-		haltOnFailure = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "sourceupload",
-		description = "Uploading source archives",
-		descriptionDone = "Source archives uploaded",
-		command=["../rsync.sh", "--files-from=sourcelist", "--size-only", "--delay-updates"] + rsync_defopts +
-			[Interpolate("--partial-dir=.~tmp~%(kw:target)s~%(kw:subtarget)s~%(prop:workername)s", target=ts[0], subtarget=ts[1]), Interpolate("-a%(prop:rsync_ipv4:+4)s"), "dl/", Interpolate("%(kw:url)s/", url=GetRsyncParams.withArgs("src", "url"))],
-		env={ 'RSYNC_PASSWORD': Interpolate("%(kw:key)s", key=GetRsyncParams.withArgs("src", "key")) },
-		haltOnFailure = True,
-		logEnviron = False,
-		locks = NetLockUl,
-		doStepIf = util.Transform(bool, GetRsyncParams.withArgs("src", "url")),
-	))
-
-	factory.addStep(ShellCommand(
-		name = "df",
-		description = "Reporting disk usage",
-		command=["df", "-h", "."],
-		env={'LC_ALL': 'C'},
-		logEnviron = False,
-		haltOnFailure = False,
-		flunkOnFailure = False,
-		warnOnFailure = False,
-		alwaysRun = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "du",
-		description = "Reporting estimated file space usage",
-		command=["du", "-sh", "."],
-		env={'LC_ALL': 'C'},
-		logEnviron = False,
-		haltOnFailure = False,
-		flunkOnFailure = False,
-		warnOnFailure = False,
-		alwaysRun = True,
-	))
-
-	factory.addStep(ShellCommand(
-		name = "ccachestat",
-		description = "Reporting ccache stats",
-		command=["ccache", "-s"],
-		logEnviron = False,
-		want_stderr = False,
-		haltOnFailure = False,
-		flunkOnFailure = False,
-		warnOnFailure = False,
-		doStepIf = util.Transform(bool, Property("ccache_command")),
-	))
-
-	for brname in branchNames:
-		bldrname = brname + "_" + target
-		c['builders'].append(BuilderConfig(name=bldrname, workernames=workerNames, factory=factory, tags=[brname,], nextBuild=GetNextBuild, canStartBuild=canStartBuild))
+    ts = target.split("/")
+
+    factory = BuildFactory()
+
+    # setup shared work directory if required
+    factory.addStep(
+        ShellCommand(
+            name="sharedwd",
+            descriptionDone="Shared work directory set up",
+            command='test -L "$PWD" || (mkdir -p ../shared-workdir && rm -rf "$PWD" && ln -s shared-workdir "$PWD")',
+            workdir=".",
+            haltOnFailure=True,
+        )
+    )
+
+    # find number of cores
+    factory.addStep(
+        SetPropertyFromCommand(
+            name="nproc",
+            property="nproc",
+            description="Finding number of CPUs",
+            command=["nproc"],
+        )
+    )
+
+    # find gcc and g++ compilers
+    factory.addStep(
+        FileDownload(
+            name="dlfindbinpl",
+            mastersrc=scripts_dir + "/findbin.pl",
+            workerdest="../findbin.pl",
+            mode=0o755,
+        )
+    )
+
+    factory.addStep(
+        SetPropertyFromCommand(
+            name="gcc",
+            property="cc_command",
+            description="Finding gcc command",
+            command=["../findbin.pl", "gcc", "", ""],
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        SetPropertyFromCommand(
+            name="g++",
+            property="cxx_command",
+            description="Finding g++ command",
+            command=["../findbin.pl", "g++", "", ""],
+            haltOnFailure=True,
+        )
+    )
+
+    # see if ccache is available
+    factory.addStep(
+        SetPropertyFromCommand(
+            name="ccache",
+            property="ccache_command",
+            description="Testing for ccache command",
+            command=["which", "ccache"],
+            haltOnFailure=False,
+            flunkOnFailure=False,
+            warnOnFailure=False,
+            hideStepIf=lambda r, s: r == results.FAILURE,
+        )
+    )
+
+    # check out the source
+    # Git() runs:
+    # if repo doesn't exist: 'git clone repourl'
+    # method 'clean' runs 'git clean -d -f', method fresh runs 'git clean -f -f -d -x'. Only works with mode='full'
+    # git cat-file -e <commit>
+    # git checkout -f <commit>
+    # git checkout -B <branch>
+    # git rev-parse HEAD
+    factory.addStep(
+        Git(
+            name="git",
+            repourl=repo_url,
+            mode="full",
+            method="fresh",
+            locks=NetLockDl,
+            haltOnFailure=True,
+        )
+    )
+
+    # workaround for https://github.com/openwrt/buildbot/issues/5
+    factory.addStep(
+        Git(
+            name="git me once more please",
+            repourl=repo_url,
+            mode="full",
+            method="fresh",
+            locks=NetLockDl,
+            haltOnFailure=True,
+        )
+    )
+
+    # update remote refs
+    factory.addStep(
+        ShellCommand(
+            name="fetchrefs",
+            description="Fetching Git remote refs",
+            descriptionDone="Git remote refs fetched",
+            command=[
+                "git",
+                "fetch",
+                "origin",
+                Interpolate(
+                    "+refs/heads/%(prop:branch)s:refs/remotes/origin/%(prop:branch)s"
+                ),
+            ],
+            haltOnFailure=True,
+        )
+    )
+
+    # getver.sh requires local branches to track upstream otherwise version computation fails.
+    # Git() does not set tracking branches when cloning or switching, so work around this here
+    factory.addStep(
+        ShellCommand(
+            name="trackupstream",
+            description="Setting upstream branch",
+            descriptionDone="getver.sh is happy now",
+            command=["git", "branch", "-u", Interpolate("origin/%(prop:branch)s")],
+            haltOnFailure=True,
+        )
+    )
+
+    # Verify that Git HEAD points to a tag or branch
+    # Ref: https://web.archive.org/web/20190729224316/http://lists.infradead.org/pipermail/openwrt-devel/2019-June/017809.html
+    factory.addStep(
+        ShellCommand(
+            name="gitverify",
+            description="Ensuring that Git HEAD is pointing to a branch or tag",
+            descriptionDone="Git HEAD is sane",
+            command='git rev-parse --abbrev-ref HEAD | grep -vxqF HEAD || git show-ref --tags --dereference 2>/dev/null | sed -ne "/^$(git rev-parse HEAD) / { s|^.*/||; s|\\^.*||; p }" | grep -qE "^v[0-9][0-9]\\."',
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        StringDownload(
+            name="ccachecc",
+            s='#!/bin/sh\nexec ${CCACHE} ${CCC} "$@"\n',
+            workerdest="../ccache_cc.sh",
+            mode=0o755,
+        )
+    )
+
+    factory.addStep(
+        StringDownload(
+            name="ccachecxx",
+            s='#!/bin/sh\nexec ${CCACHE} ${CCXX} "$@"\n',
+            workerdest="../ccache_cxx.sh",
+            mode=0o755,
+        )
+    )
+
+    # feed
+    factory.addStep(
+        ShellCommand(
+            name="updatefeeds",
+            description="Updating feeds",
+            command=["./scripts/feeds", "update"],
+            env=MakeEnv(tryccache=True),
+            haltOnFailure=True,
+            locks=NetLockDl,
+        )
+    )
+
+    # feed
+    factory.addStep(
+        ShellCommand(
+            name="installfeeds",
+            description="Installing feeds",
+            command=["./scripts/feeds", "install", "-a"],
+            env=MakeEnv(tryccache=True),
+            haltOnFailure=True,
+        )
+    )
+
+    # seed config
+    factory.addStep(
+        StringDownload(
+            name="dlconfigseed",
+            s=Interpolate("%(kw:seed)s\n", seed=GetConfigSeed),
+            workerdest=".config",
+            mode=0o644,
+        )
+    )
+
+    # configure
+    factory.addStep(
+        ShellCommand(
+            name="newconfig",
+            descriptionDone=".config seeded",
+            command=Interpolate(
+                "printf 'CONFIG_TARGET_%(kw:target)s=y\\nCONFIG_TARGET_%(kw:target)s_%(kw:subtarget)s=y\\nCONFIG_SIGNED_PACKAGES=%(kw:usign:#?|y|n)s\\n' >> .config",
+                target=ts[0],
+                subtarget=ts[1],
+                usign=GetUsignKey,
+            ),
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="defconfig",
+            description="Populating .config",
+            command=["make", "defconfig"],
+            env=MakeEnv(),
+        )
+    )
+
+    # check arch - exit early if does not exist - NB: some targets do not define CONFIG_TARGET_target_subtarget
+    factory.addStep(
+        ShellCommand(
+            name="checkarch",
+            description="Checking architecture",
+            descriptionDone="Architecture validated",
+            command='grep -sq CONFIG_TARGET_%s=y .config && grep -sq CONFIG_TARGET_SUBTARGET=\\"%s\\" .config'
+            % (ts[0], ts[1]),
+            logEnviron=False,
+            want_stdout=False,
+            want_stderr=False,
+            haltOnFailure=True,
+            flunkOnFailure=False,  # this is not a build FAILURE - TODO mark build as SKIPPED
+        )
+    )
+
+    # find libc suffix
+    factory.addStep(
+        SetPropertyFromCommand(
+            name="libc",
+            property="libc",
+            description="Finding libc suffix",
+            command=[
+                "sed",
+                "-ne",
+                '/^CONFIG_LIBC=/ { s!^CONFIG_LIBC="\\(.*\\)"!\\1!; s!^musl$!!; s!.\\+!-&!p }',
+                ".config",
+            ],
+        )
+    )
+
+    # install build key
+    factory.addStep(
+        StringDownload(
+            name="dlkeybuildpub",
+            s=Interpolate("%(kw:sec2pub)s", sec2pub=UsignSec2Pub),
+            workerdest="key-build.pub",
+            mode=0o600,
+            doStepIf=IsUsignEnabled,
+        )
+    )
+
+    factory.addStep(
+        StringDownload(
+            name="dlkeybuild",
+            s="# fake private key",
+            workerdest="key-build",
+            mode=0o600,
+            doStepIf=IsUsignEnabled,
+        )
+    )
+
+    factory.addStep(
+        StringDownload(
+            name="dlkeybuilducert",
+            s="# fake certificate",
+            workerdest="key-build.ucert",
+            mode=0o600,
+            doStepIf=IsUsignEnabled,
+        )
+    )
+
+    # prepare dl
+    factory.addStep(
+        ShellCommand(
+            name="dldir",
+            description="Preparing dl/",
+            descriptionDone="dl/ prepared",
+            command='mkdir -p ../dl && rm -rf "build/dl" && ln -s ../../dl "build/dl"',
+            workdir=Property("builddir"),
+            logEnviron=False,
+            want_stdout=False,
+        )
+    )
+
+    # cleanup dl
+    factory.addStep(
+        ShellCommand(
+            name="dlprune",
+            description="Pruning dl/",
+            descriptionDone="dl/ pruned",
+            command="find dl/ -mindepth 1 -atime +15 -delete -print",
+            logEnviron=False,
+        )
+    )
+
+    # prepare tar
+    factory.addStep(
+        ShellCommand(
+            name="dltar",
+            description="Building and installing GNU tar",
+            descriptionDone="GNU tar built and installed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "tools/tar/compile",
+                "V=s",
+            ],
+            env=MakeEnv(tryccache=True),
+            haltOnFailure=True,
+        )
+    )
+
+    # populate dl
+    factory.addStep(
+        ShellCommand(
+            name="dlrun",
+            description="Populating dl/",
+            descriptionDone="dl/ populated",
+            command=["make", Interpolate("-j%(prop:nproc:-1)s"), "download", "V=s"],
+            env=MakeEnv(),
+            logEnviron=False,
+            locks=NetLockDl,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="cleanbase",
+            description="Cleaning base-files",
+            command=["make", "package/base-files/clean", "V=s"],
+        )
+    )
+
+    # build
+    factory.addStep(
+        ShellCommand(
+            name="tools",
+            description="Building and installing tools",
+            descriptionDone="Tools built and installed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "tools/install",
+                "V=s",
+            ],
+            env=MakeEnv(tryccache=True),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="toolchain",
+            description="Building and installing toolchain",
+            descriptionDone="Toolchain built and installed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "toolchain/install",
+                "V=s",
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="kmods",
+            description="Building kmods",
+            descriptionDone="Kmods built",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "target/compile",
+                "V=s",
+                "IGNORE_ERRORS=n m",
+                "BUILD_LOG=1",
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    # find kernel version
+    factory.addStep(
+        SetPropertyFromCommand(
+            name="kernelversion",
+            property="kernelversion",
+            description="Finding the effective Kernel version",
+            command="make --no-print-directory -C target/linux/ val.LINUX_VERSION val.LINUX_RELEASE val.LINUX_VERMAGIC | xargs printf '%s-%s-%s\\n'",
+            env={"TOPDIR": Interpolate("%(prop:builddir)s/build")},
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="pkgclean",
+            description="Cleaning up package build",
+            descriptionDone="Package build cleaned up",
+            command=["make", "package/cleanup", "V=s"],
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="pkgbuild",
+            description="Building packages",
+            descriptionDone="Packages built",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "package/compile",
+                "V=s",
+                "IGNORE_ERRORS=n m",
+                "BUILD_LOG=1",
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="pkginstall",
+            description="Installing packages",
+            descriptionDone="Packages installed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "package/install",
+                "V=s",
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="pkgindex",
+            description="Indexing packages",
+            descriptionDone="Packages indexed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "package/index",
+                "V=s",
+                "CONFIG_SIGNED_PACKAGES=",
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="images",
+            description="Building and installing images",
+            descriptionDone="Images built and installed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "target/install",
+                "V=s",
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="buildinfo",
+            description="Generating config.buildinfo, version.buildinfo and feeds.buildinfo",
+            command="make -j1 buildinfo V=s || true",
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="json_overview_image_info",
+            description="Generating profiles.json in target folder",
+            command="make -j1 json_overview_image_info V=s || true",
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="checksums",
+            description="Calculating checksums",
+            descriptionDone="Checksums calculated",
+            command=["make", "-j1", "checksum", "V=s"],
+            env=MakeEnv(),
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="kmoddir",
+            descriptionDone="Kmod directory created",
+            command=[
+                "mkdir",
+                "-p",
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+            ],
+            haltOnFailure=True,
+            doStepIf=IsKmodArchiveEnabled,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="kmodprepare",
+            description="Preparing kmod archive",
+            descriptionDone="Kmod archive prepared",
+            command=[
+                "rsync",
+                "--include=/kmod-*.ipk",
+                "--exclude=*",
+                "-va",
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/packages/",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s/",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+            ],
+            haltOnFailure=True,
+            doStepIf=IsKmodArchiveEnabled,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="kmodindex",
+            description="Indexing kmod archive",
+            descriptionDone="Kmod archive indexed",
+            command=[
+                "make",
+                Interpolate("-j%(prop:nproc:-1)s"),
+                "package/index",
+                "V=s",
+                "CONFIG_SIGNED_PACKAGES=",
+                Interpolate(
+                    "PACKAGE_SUBDIRS=bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s/",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+            ],
+            env=MakeEnv(),
+            haltOnFailure=True,
+            doStepIf=IsKmodArchiveEnabled,
+        )
+    )
+
+    # sign
+    factory.addStep(
+        MasterShellCommand(
+            name="signprepare",
+            descriptionDone="Temporary signing directory prepared",
+            command=["mkdir", "-p", "%s/signing" % (work_dir)],
+            haltOnFailure=True,
+            doStepIf=IsSignEnabled,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="signpack",
+            description="Packing files to sign",
+            descriptionDone="Files to sign packed",
+            command=Interpolate(
+                "find bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/ bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/ -mindepth 1 -maxdepth 2 -type f -name sha256sums -print0 -or -name Packages -print0 | xargs -0 tar -czf sign.tar.gz",
+                target=ts[0],
+                subtarget=ts[1],
+            ),
+            haltOnFailure=True,
+            doStepIf=IsSignEnabled,
+        )
+    )
+
+    factory.addStep(
+        FileUpload(
+            workersrc="sign.tar.gz",
+            masterdest="%s/signing/%s.%s.tar.gz" % (work_dir, ts[0], ts[1]),
+            haltOnFailure=True,
+            doStepIf=IsSignEnabled,
+        )
+    )
+
+    factory.addStep(
+        MasterShellCommand(
+            name="signfiles",
+            description="Signing files",
+            descriptionDone="Files signed",
+            command=[
+                "%s/signall.sh" % (scripts_dir),
+                "%s/signing/%s.%s.tar.gz" % (work_dir, ts[0], ts[1]),
+                Interpolate("%(prop:branch)s"),
+            ],
+            env={"CONFIG_INI": os.getenv("BUILDMASTER_CONFIG", "./config.ini")},
+            haltOnFailure=True,
+            doStepIf=IsSignEnabled,
+        )
+    )
+
+    factory.addStep(
+        FileDownload(
+            name="dlsigntargz",
+            mastersrc="%s/signing/%s.%s.tar.gz" % (work_dir, ts[0], ts[1]),
+            workerdest="sign.tar.gz",
+            haltOnFailure=True,
+            doStepIf=IsSignEnabled,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="signunpack",
+            description="Unpacking signed files",
+            descriptionDone="Signed files unpacked",
+            command=["tar", "-xzf", "sign.tar.gz"],
+            haltOnFailure=True,
+            doStepIf=IsSignEnabled,
+        )
+    )
+
+    # upload
+    factory.addStep(
+        ShellCommand(
+            name="dirprepare",
+            descriptionDone="Upload directory structure prepared",
+            command=[
+                "mkdir",
+                "-p",
+                Interpolate(
+                    "tmp/upload/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s",
+                    target=ts[0],
+                    subtarget=ts[1],
+                    prefix=GetVersionPrefix,
+                ),
+            ],
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="linkprepare",
+            descriptionDone="Repository symlink prepared",
+            command=[
+                "ln",
+                "-s",
+                "-f",
+                Interpolate(
+                    "../packages-%(kw:basever)s",
+                    basever=util.Transform(GetBaseVersion, Property("branch")),
+                ),
+                Interpolate(
+                    "tmp/upload/%(kw:prefix)spackages", prefix=GetVersionPrefix
+                ),
+            ],
+            doStepIf=IsNoMasterBuild,
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="kmoddirprepare",
+            descriptionDone="Kmod archive upload directory prepared",
+            command=[
+                "mkdir",
+                "-p",
+                Interpolate(
+                    "tmp/upload/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/kmods/%(prop:kernelversion)s",
+                    target=ts[0],
+                    subtarget=ts[1],
+                    prefix=GetVersionPrefix,
+                ),
+            ],
+            haltOnFailure=True,
+            doStepIf=IsKmodArchiveEnabled,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="dirupload",
+            description="Uploading directory structure",
+            descriptionDone="Directory structure uploaded",
+            command=["rsync", Interpolate("-az%(prop:rsync_ipv4:+4)s")]
+            + rsync_defopts
+            + [
+                "tmp/upload/",
+                Interpolate("%(kw:url)s/", url=GetRsyncParams.withArgs("bin", "url")),
+            ],
+            env={
+                "RSYNC_PASSWORD": Interpolate(
+                    "%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")
+                )
+            },
+            haltOnFailure=True,
+            logEnviron=False,
+            locks=NetLockUl,
+            doStepIf=util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
+        )
+    )
+
+    # download remote sha256sums to 'target-sha256sums'
+    factory.addStep(
+        ShellCommand(
+            name="target-sha256sums",
+            description="Fetching remote sha256sums for target",
+            descriptionDone="Remote sha256sums for target fetched",
+            command=["rsync", Interpolate("-z%(prop:rsync_ipv4:+4)s")]
+            + rsync_defopts
+            + [
+                Interpolate(
+                    "%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/sha256sums",
+                    url=GetRsyncParams.withArgs("bin", "url"),
+                    target=ts[0],
+                    subtarget=ts[1],
+                    prefix=GetVersionPrefix,
+                ),
+                "target-sha256sums",
+            ],
+            env={
+                "RSYNC_PASSWORD": Interpolate(
+                    "%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")
+                )
+            },
+            logEnviron=False,
+            haltOnFailure=False,
+            flunkOnFailure=False,
+            warnOnFailure=False,
+            doStepIf=util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
+        )
+    )
+
+    # build list of files to upload
+    factory.addStep(
+        FileDownload(
+            name="dlsha2rsyncpl",
+            mastersrc=scripts_dir + "/sha2rsync.pl",
+            workerdest="../sha2rsync.pl",
+            mode=0o755,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="buildlist",
+            description="Building list of files to upload",
+            descriptionDone="List of files to upload built",
+            command=[
+                "../sha2rsync.pl",
+                "target-sha256sums",
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/sha256sums",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+                "rsynclist",
+            ],
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        FileDownload(
+            name="dlrsync.sh",
+            mastersrc=scripts_dir + "/rsync.sh",
+            workerdest="../rsync.sh",
+            mode=0o755,
+        )
+    )
+
+    # upload new files and update existing ones
+    factory.addStep(
+        ShellCommand(
+            name="targetupload",
+            description="Uploading target files",
+            descriptionDone="Target files uploaded",
+            command=[
+                "../rsync.sh",
+                "--exclude=/kmods/",
+                "--files-from=rsynclist",
+                "--delay-updates",
+                "--partial-dir=.~tmp~%s~%s" % (ts[0], ts[1]),
+            ]
+            + rsync_defopts
+            + [
+                Interpolate("-a%(prop:rsync_ipv4:+4)s"),
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+                Interpolate(
+                    "%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/",
+                    url=GetRsyncParams.withArgs("bin", "url"),
+                    target=ts[0],
+                    subtarget=ts[1],
+                    prefix=GetVersionPrefix,
+                ),
+            ],
+            env={
+                "RSYNC_PASSWORD": Interpolate(
+                    "%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")
+                )
+            },
+            haltOnFailure=True,
+            logEnviron=False,
+            doStepIf=util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
+        )
+    )
+
+    # delete files which don't exist locally
+    factory.addStep(
+        ShellCommand(
+            name="targetprune",
+            description="Pruning target files",
+            descriptionDone="Target files pruned",
+            command=[
+                "../rsync.sh",
+                "--exclude=/kmods/",
+                "--delete",
+                "--existing",
+                "--ignore-existing",
+                "--delay-updates",
+                "--partial-dir=.~tmp~%s~%s" % (ts[0], ts[1]),
+            ]
+            + rsync_defopts
+            + [
+                Interpolate("-a%(prop:rsync_ipv4:+4)s"),
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+                Interpolate(
+                    "%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/",
+                    url=GetRsyncParams.withArgs("bin", "url"),
+                    target=ts[0],
+                    subtarget=ts[1],
+                    prefix=GetVersionPrefix,
+                ),
+            ],
+            env={
+                "RSYNC_PASSWORD": Interpolate(
+                    "%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")
+                )
+            },
+            haltOnFailure=True,
+            logEnviron=False,
+            locks=NetLockUl,
+            doStepIf=util.Transform(bool, GetRsyncParams.withArgs("bin", "url")),
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="kmodupload",
+            description="Uploading kmod archive",
+            descriptionDone="Kmod archive uploaded",
+            command=[
+                "../rsync.sh",
+                "--delete",
+                "--delay-updates",
+                "--partial-dir=.~tmp~%s~%s" % (ts[0], ts[1]),
+            ]
+            + rsync_defopts
+            + [
+                Interpolate("-a%(prop:rsync_ipv4:+4)s"),
+                Interpolate(
+                    "bin/targets/%(kw:target)s/%(kw:subtarget)s%(prop:libc)s/kmods/%(prop:kernelversion)s/",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+                Interpolate(
+                    "%(kw:url)s/%(kw:prefix)stargets/%(kw:target)s/%(kw:subtarget)s/kmods/%(prop:kernelversion)s/",
+                    url=GetRsyncParams.withArgs("bin", "url"),
+                    target=ts[0],
+                    subtarget=ts[1],
+                    prefix=GetVersionPrefix,
+                ),
+            ],
+            env={
+                "RSYNC_PASSWORD": Interpolate(
+                    "%(kw:key)s", key=GetRsyncParams.withArgs("bin", "key")
+                )
+            },
+            haltOnFailure=True,
+            logEnviron=False,
+            locks=NetLockUl,
+            doStepIf=IsKmodArchiveAndRsyncEnabled,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="sourcelist",
+            description="Finding source archives to upload",
+            descriptionDone="Source archives to upload found",
+            command="find dl/ -maxdepth 1 -type f -not -size 0 -not -name '.*' -not -name '*.hash' -not -name '*.dl' -newer .config -printf '%f\\n' > sourcelist",
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="sourceupload",
+            description="Uploading source archives",
+            descriptionDone="Source archives uploaded",
+            command=[
+                "../rsync.sh",
+                "--files-from=sourcelist",
+                "--size-only",
+                "--delay-updates",
+            ]
+            + rsync_defopts
+            + [
+                Interpolate(
+                    "--partial-dir=.~tmp~%(kw:target)s~%(kw:subtarget)s~%(prop:workername)s",
+                    target=ts[0],
+                    subtarget=ts[1],
+                ),
+                Interpolate("-a%(prop:rsync_ipv4:+4)s"),
+                "dl/",
+                Interpolate("%(kw:url)s/", url=GetRsyncParams.withArgs("src", "url")),
+            ],
+            env={
+                "RSYNC_PASSWORD": Interpolate(
+                    "%(kw:key)s", key=GetRsyncParams.withArgs("src", "key")
+                )
+            },
+            haltOnFailure=True,
+            logEnviron=False,
+            locks=NetLockUl,
+            doStepIf=util.Transform(bool, GetRsyncParams.withArgs("src", "url")),
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="df",
+            description="Reporting disk usage",
+            command=["df", "-h", "."],
+            env={"LC_ALL": "C"},
+            logEnviron=False,
+            haltOnFailure=False,
+            flunkOnFailure=False,
+            warnOnFailure=False,
+            alwaysRun=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="du",
+            description="Reporting estimated file space usage",
+            command=["du", "-sh", "."],
+            env={"LC_ALL": "C"},
+            logEnviron=False,
+            haltOnFailure=False,
+            flunkOnFailure=False,
+            warnOnFailure=False,
+            alwaysRun=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="ccachestat",
+            description="Reporting ccache stats",
+            command=["ccache", "-s"],
+            logEnviron=False,
+            want_stderr=False,
+            haltOnFailure=False,
+            flunkOnFailure=False,
+            warnOnFailure=False,
+            doStepIf=util.Transform(bool, Property("ccache_command")),
+        )
+    )
+
+    for brname in branchNames:
+        bldrname = brname + "_" + target
+        c["builders"].append(
+            BuilderConfig(
+                name=bldrname,
+                workernames=workerNames,
+                factory=factory,
+                tags=[
+                    brname,
+                ],
+                nextBuild=GetNextBuild,
+                canStartBuild=canStartBuild,
+            )
+        )
 
 
 ####### STATUS TARGETS
@@ -1285,54 +1766,56 @@ for target in targets:
 # including web pages, email senders, and IRC bots.
 
 if "status_bind" in inip1:
-	c['www'] = {
-		'port': inip1.get("status_bind"),
-		'plugins': {
-			'waterfall_view': True,
-			'console_view': True,
-			'grid_view': True
-		}
-	}
-
-	if "status_user" in inip1 and "status_password" in inip1:
-		c['www']['auth'] = util.UserPasswordAuth([
-			(inip1.get("status_user"), inip1.get("status_password"))
-		])
-		c['www']['authz'] = util.Authz(
-			allowRules=[ util.AnyControlEndpointMatcher(role="admins") ],
-			roleMatchers=[ util.RolesFromUsername(roles=["admins"], usernames=[inip1.get("status_user")]) ]
-		)
-
-c['services'] = []
+    c["www"] = {
+        "port": inip1.get("status_bind"),
+        "plugins": {"waterfall_view": True, "console_view": True, "grid_view": True},
+    }
+
+    if "status_user" in inip1 and "status_password" in inip1:
+        c["www"]["auth"] = util.UserPasswordAuth(
+            [(inip1.get("status_user"), inip1.get("status_password"))]
+        )
+        c["www"]["authz"] = util.Authz(
+            allowRules=[util.AnyControlEndpointMatcher(role="admins")],
+            roleMatchers=[
+                util.RolesFromUsername(
+                    roles=["admins"], usernames=[inip1.get("status_user")]
+                )
+            ],
+        )
+
+c["services"] = []
 if ini.has_section("irc"):
-	iniirc = ini['irc']
-	irc_host = iniirc.get("host", None)
-	irc_port = iniirc.getint("port", 6667)
-	irc_chan = iniirc.get("channel", None)
-	irc_nick = iniirc.get("nickname", None)
-	irc_pass = iniirc.get("password", None)
-
-	if irc_host and irc_nick and irc_chan:
-		irc = reporters.IRC(irc_host, irc_nick,
-			port = irc_port,
-			password = irc_pass,
-			channels = [ irc_chan ],
-			notify_events = [ 'exception', 'problem', 'recovery' ]
-		)
-
-		c['services'].append(irc)
-
-c['revlink'] = util.RevlinkMatch([
-	r'https://git.openwrt.org/openwrt/(.*).git'
-	],
-	r'https://git.openwrt.org/?p=openwrt/\1.git;a=commit;h=%s')
+    iniirc = ini["irc"]
+    irc_host = iniirc.get("host", None)
+    irc_port = iniirc.getint("port", 6667)
+    irc_chan = iniirc.get("channel", None)
+    irc_nick = iniirc.get("nickname", None)
+    irc_pass = iniirc.get("password", None)
+
+    if irc_host and irc_nick and irc_chan:
+        irc = reporters.IRC(
+            irc_host,
+            irc_nick,
+            port=irc_port,
+            password=irc_pass,
+            channels=[irc_chan],
+            notify_events=["exception", "problem", "recovery"],
+        )
+
+        c["services"].append(irc)
+
+c["revlink"] = util.RevlinkMatch(
+    [r"https://git.openwrt.org/openwrt/(.*).git"],
+    r"https://git.openwrt.org/?p=openwrt/\1.git;a=commit;h=%s",
+)
 
 ####### DB URL
 
-c['db'] = {
-	# This specifies what database buildbot uses to store its state.  You can leave
-	# this at its default for all but the largest installations.
-	'db_url' : "sqlite:///state.sqlite",
+c["db"] = {
+    # This specifies what database buildbot uses to store its state.  You can leave
+    # this at its default for all but the largest installations.
+    "db_url": "sqlite:///state.sqlite",
 }
 
-c['buildbotNetUsageData'] = None
+c["buildbotNetUsageData"] = None




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