Bug 1455120 - Prefix output from automation tiers; r=mshal
authorGregory Szorc <gps@mozilla.com>
Wed, 18 Apr 2018 14:30:05 -0700
changeset 467933 43c22d224c0ba4cb4f890a37a5e04d6bb2b80c25
parent 467932 ac17015816ca21649f102f50038a20a81b03babe
child 467934 a993e6e8d14c75545a59b18ba32c821801d6f124
push id9165
push userasasaki@mozilla.com
push dateThu, 26 Apr 2018 21:04:54 +0000
treeherdermozilla-beta@064c3804de2e [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
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Bug 1455120 - Prefix output from automation tiers; r=mshal We add a minimal Python script to run a process and prefix all its output with a string. We change the automation tiers to evaluate all make targets using this script. MozReview-Commit-ID: 79g5KUd5ked
--- a/build/moz-automation.mk
+++ b/build/moz-automation.mk
@@ -71,17 +71,17 @@ automation/build: $(addprefix automation
 # The commands only run if the corresponding MOZ_AUTOMATION_* variable is
 # enabled. This means, for example, if we enable MOZ_AUTOMATION_UPLOAD, then
 # 'buildsymbols' will only run if MOZ_AUTOMATION_BUILD_SYMBOLS is also set.
 # However, the target automation/buildsymbols will still be executed in this
 # case because it is a prerequisite of automation/upload.
 define automation_commands
+@+$(PYTHON) $(topsrcdir)/config/run-and-prefix.py $1 $(MAKE) $1 $(AUTOMATION_EXTRA_CMDLINE-$1)
 # The tier start message is in a separate target so make doesn't buffer it
 # until the step completes with output syncing enabled.
 	$(if $(filter $*,$(MOZ_AUTOMATION_TIERS)),$(call BUILDSTATUS,TIER_START $*))
new file mode 100644
--- /dev/null
+++ b/config/run-and-prefix.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+# This script runs a process and prefixes its output with.
+# Usage: run-and-prefix.py prefix command arg0 argv1...
+from __future__ import absolute_import, print_function
+import os
+import subprocess
+import sys
+sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
+sys.stderr = os.fdopen(sys.stderr.fileno(), 'w', 0)
+prefix = sys.argv[1]
+args = sys.argv[2:]
+p = subprocess.Popen(args, bufsize=0,
+                     stdout=subprocess.PIPE,
+                     stderr=subprocess.STDOUT,
+                     stdin=sys.stdin.fileno(),
+                     universal_newlines=True)
+while True:
+    data = p.stdout.readline()
+    if data == b'':
+        break
+    print('%s> %s' % (prefix, data), end=b'')