[buildbot] phase1: workers are running a single build

[LEDE Commits]

ynezz pushed a commit to buildbot.git, branch master:
https://git.openwrt.org/baff1e6fc13de9b045d4f0b0bf7c6c84e9fedafb

commit baff1e6fc13de9b045d4f0b0bf7c6c84e9fedafb
Author: Thibaut VARÈNE <hacks at slashdirt.org>
AuthorDate: Wed Oct 26 21:34:19 2022 +0200

    phase1: workers are running a single build
    
    Worker lock on dl/ is now unnecessary
    
    Signed-off-by: Thibaut VARÈNE <hacks at slashdirt.org>
---
 phase1/master.cfg | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/phase1/master.cfg b/phase1/master.cfg
index 95a6fee..4bd2f0d 100644
--- a/phase1/master.cfg
+++ b/phase1/master.cfg
@@ -503,14 +503,12 @@ def MakeEnv(overrides=None, tryccache=False):
 @properties.renderer
 def NetLockDl(props, extralock=None):
 	lock = None
-	locks = []
 	if props.hasProperty("dl_lock"):
 		lock = NetLocks[props["dl_lock"]]
 	if lock is not None:
-		locks.append(lock.access('exclusive'))
-	if extralock is not None:
-		locks.append(extralock)
-	return locks
+		return [lock.access('exclusive')]
+	else:
+		return []
 
 @properties.renderer
 def NetLockUl(props):
@@ -547,8 +545,6 @@ def UsignSec2Pub(props):
 
 c['builders'] = []
 
-dlLock = locks.WorkerLock("worker_dl")
-
 workerNames = [ ]
 
 for worker in c['workers']:
@@ -802,7 +798,7 @@ for target in targets:
 		command = ["make", Interpolate("-j%(prop:nproc:-1)s"), "download", "V=s"],
 		env = MakeEnv(),
 		logEnviron = False,
-		locks = NetLockDl.withArgs(dlLock.access('exclusive')),
+		locks = NetLockDl,
 	))
 
 	factory.addStep(ShellCommand(