scrapy deploy support git version

docs/topics/scrapyd.rst

@@ -313,6 +313,12 @@ revision, for example ``r382``::
 
     scrapy deploy scrapyd -p project1 --version HG
 
+Also, if you use Git for tracking your project source code, you can use
+``GIT`` for the version which will be replaced by the SHA1 of current Git
+revision, for example ``b0582849179d1de7bd86eaa7201ea3cda4b5651f``::
+
+    scrapy deploy scrapyd -p project1 --version GIT
+
 Support for other version discovery sources may be added in the future.
 
 Finally, if you don't want to specify the target, project and version every

scrapy/commands/deploy.py

@@ -150,6 +150,9 @@ def _get_version(target, opts):
     if version == 'HG':
         p = Popen(['hg', 'tip', '--template', '{rev}'], stdout=PIPE)
         return 'r%s' % p.communicate()[0]
+    elif version == 'GIT':
+        p = Popen(['git', 'rev-parse', 'HEAD'], stdout=PIPE)
+        return '%s' % p.communicate()[0].strip('\n')
     elif version:
         return version
     else: