Bug 1262207 - Add a nightly_build entry to mozinfo. r=ahal

--HG--
extra : rebase_source : 5ce90a4c5ac0dd6efe8eeca61a4ec2b90fe9b569

build/docs/mozinfo.rst

@@ -98,6 +98,13 @@ mozconfig
 
    Optional.
 
+nightly_build
+   Whether this is a nightly build.
+
+   Values are ``true`` and ``false``.
+
+   Always defined.
+
 os
    The operating system the build is produced for. Values for tier-1
    supported platforms are ``linux``, ``win``, ``mac``, ``b2g``, and

python/mozbuild/mozbuild/mozinfo.py

@@ -80,6 +80,7 @@ def build_dict(config, env=os.environ):
     # other CPUs will wind up with unknown bits
 
     d['debug'] = substs.get('MOZ_DEBUG') == '1'
+    d['nightly_build'] = substs.get('NIGHTLY_BUILD') == '1'
     d['release_build'] = substs.get('RELEASE_BUILD') == '1'
     d['pgo'] = substs.get('MOZ_PGO') == '1'
     d['crashreporter'] = bool(substs.get('MOZ_CRASHREPORTER'))