Add missing hook file.

roles/git/hooks/files/post-receive-fedmsg

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+import getpass
+import git
+import os
+import sys
+
+import fedmsg
+import fedmsg.config
+
+# Read in all the rev information git-receive-pack hands us.
+lines = [line.split() for line in sys.stdin.readlines()]
+
+# Use $GIT_DIR to determine where this repo is.
+abspath = os.path.abspath(os.environ['GIT_DIR'])
+repo_name = '.'.join(abspath.split(os.path.sep)[-1].split('.')[:-1])
+
+username = getpass.getuser()
+
+repo = git.repo.Repo(abspath)
+def _build_commit(rev):
+    old, rev, branch = rev
+    branch = '/'.join(branch.split('/')[2:])
+    commit = repo.rev_parse(rev=rev)
+
+    # We just don't handle these
+    if isinstance(commit, git.TagObject):
+        return None
+
+    return dict(
+        name=commit.author.name,
+        email=commit.author.email,
+        username=username,
+        summary=commit.summary,
+        message=commit.message,
+        stats=dict(
+            files=commit.stats.files,
+            total=commit.stats.total,
+        ),
+        rev=rev,
+        path=abspath,
+        repo=repo_name,
+        branch=branch,
+        agent=os.getlogin(),
+    )
+
+commits = map(_build_commit, lines)
+
+print "Emitting a message to the fedmsg bus."
+config = fedmsg.config.load_config([], None)
+config['active'] = True
+config['endpoints']['relay_inbound'] = config['relay_inbound']
+fedmsg.init(name='relay_inbound', cert_prefix='scm', **config)
+
+for commit in commits:
+
+    if commit is None:
+        continue
+
+    fedmsg.publish(
+        # Expect this to change to just "receive" in the future.
+        topic="receive",
+        msg=dict(commit=commit),
+        modname="git",
+    )