[buildbot] phase1: prefer IPv4 for remote rsync operations

[LEDE Commits]

jow pushed a commit to buildbot.git, branch master:
https://git.lede-project.org/ec18879fd9d4e783f3b396909981fead670d034a

commit ec18879fd9d4e783f3b396909981fead670d034a
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Tue Aug 22 19:14:23 2017 +0200

    phase1: prefer IPv4 for remote rsync operations
    
    Various build slaves tend to have slow or unrelaible IPv6 connectivity
    so instruct rsync to prefer IPv4 for file transfer.
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 phase1/master.cfg | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/phase1/master.cfg b/phase1/master.cfg
index 04879e8..fb8f488 100644
--- a/phase1/master.cfg
+++ b/phase1/master.cfg
@@ -711,7 +711,7 @@ for target in targets:
 	factory.addStep(ShellCommand(
 		name = "dirupload",
 		description = "Uploading directory structure",
-		command = ["rsync", "-avz", "tmp/upload/", "%s/" %(rsync_bin_url)],
+		command = ["rsync", "-4", "-avz", "tmp/upload/", "%s/" %(rsync_bin_url)],
 		env={'RSYNC_PASSWORD': rsync_bin_key},
 		haltOnFailure = True,
 		logEnviron = False
@@ -720,7 +720,7 @@ for target in targets:
 	factory.addStep(ShellCommand(
 		name = "targetupload",
 		description = "Uploading target files",
-		command=["rsync", "--progress", "--delete", "--checksum", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]),
+		command=["rsync", "-4", "--progress", "--delete", "--checksum", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]),
 		         "-avz", WithProperties("bin/targets/%s/%s%%(libc)s/" %(ts[0], ts[1])),
 		         WithProperties("%s/%%(prefix)stargets/%s/%s/" %(rsync_bin_url, ts[0], ts[1]), prefix=GetVersionPrefix)],
 		env={'RSYNC_PASSWORD': rsync_bin_key},
@@ -732,7 +732,7 @@ for target in targets:
 		factory.addStep(ShellCommand(
 			name = "sourceupload",
 			description = "Uploading source archives",
-			command=["rsync", "--progress", "--checksum", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]), "-avz", "dl/", "%s/" %(rsync_src_url)],
+			command=["rsync", "-4", "--progress", "--checksum", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]), "-avz", "dl/", "%s/" %(rsync_src_url)],
 			env={'RSYNC_PASSWORD': rsync_src_key},
 			haltOnFailure = True,
 			logEnviron = False
@@ -742,7 +742,7 @@ for target in targets:
 		factory.addStep(ShellCommand(
 			name = "packageupload",
 			description = "Uploading package files",
-			command=["rsync", "--delete", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]), "-avz", "bin/packages/", "%s/packages/" %(rsync_bin_url)],
+			command=["rsync", "-4", "--delete", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]), "-avz", "bin/packages/", "%s/packages/" %(rsync_bin_url)],
 			env={'RSYNC_PASSWORD': rsync_bin_key},
 			haltOnFailure = False,
 			logEnviron = False
@@ -753,7 +753,7 @@ for target in targets:
 		factory.addStep(ShellCommand(
 			name = "upload",
 			description = "Uploading logs",
-			command=["rsync", "--delete", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]), "-avz", "logs/", "%s/logs/%s/%s/" %(rsync_bin_url, ts[0], ts[1])],
+			command=["rsync", "-4", "--delete", "--delay-updates", "--partial-dir=.~tmp~%s~%s" %(ts[0], ts[1]), "-avz", "logs/", "%s/logs/%s/%s/" %(rsync_bin_url, ts[0], ts[1])],
 			env={'RSYNC_PASSWORD': rsync_bin_key},
 			haltOnFailure = False,
 			alwaysRun = True,