The next time you pull mozilla-central, you'll find a new tool in the
root directory: mach
$ ./mach build
0.09 /usr/bin/make -f client.mk -j8 -s
0.25 Adding client.mk options from /Users/gps/src/services-central/.mozconfig:
0.25 MOZ_OBJDIR=$(TOPSRCDIR)/objdir
0.25 MOZ_MAKE_FLAGS=-j9 -s
0.33 TEST-PASS | check-sync-dirs.py | /Users/gps/src/services-central/js/src/build
<= /Users/gps/src/services-central/build
0.34 Generating /Users/gps/src/services-central/configure using autoconf
1.55 cd /Users/gps/src/services-central/objdir
1.55 /Users/gps/src/services-central/configure
1.57 Adding configure options from /Users/gps/src/services-central/.mozconfig:
1.57 --enable-application=browser
1.57 --enable-optimize
1.70 loading cache ./config.cache
<snip>
> 335.19 309 compiler warnings present.
$ ./mach warnings-summary
> <snip>
10 -Wlogical-op-parentheses
10 -Wtautological-compare
13 -Wsometimes-uninitialized
26 -Wconversion
30 -Wunused-variable
34 -Wunused-function
34 -Wdeprecated-declarations
47 -Wtautological-constant-out-of-range-compare
67 -Wunused-private-field
309 Total
$ ./mach warnings-list
> <snip>
content/base/src/nsContentUtils.cpp:279:15 [-Wunused-private-field] private
field 'mKey' is not used
content/base/src/nsDocumentEncoder.cpp:2014:78 [-Wlogical-op-parentheses] '&&'
within '||'
content/xbl/src/nsBindingManager.cpp:433:1 [-Wdelete-non-virtual-dtor] delete
called on 'nsBindingManager' that has virtual functions but non-virtual
destructor
content/xbl/src/nsXBLProtoImpl.cpp:22:21 [-Wunused-private-field] private field
'cx' is not used
content/xbl/src/nsXBLProtoImpl.cpp:23:13 [-Wunused-private-field] private field
'versionBefore' is not used
<snip>
$ ./mach mochitest-browser browser/base/content/test/
> <expected mochitest output here>
(Yes, you can tab complete test paths in your shell instead of going
through some silly environment variable dance).
If you get lost:
$ ./mach help
(Try doing that with make!)
Read more about mach at [1].
I want to stress that mach is still in its infancy. It is currently only
a fraction of what I want it to be. However, mach today is infinitely
more than what it was yesterday: non-existent. That's progress. If you
have a feature request or a work flow, please file a bug. Even better,
contribute a patch! You only need to know beginner's Python to add new
commands to mach.
I hope you enjoy using mach. I look forward to many new and exciting
features in the near future.
[1] http://gregoryszorc.com/blog/2012/09/26/mach-has-landed/
Gregory
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