1 files changed, 96 insertions, 0 deletions
diff --git a/git/parent.py b/git/parent.py
new file mode 100755
index 000000000..154a02350
--- /dev/null
+++ b/git/parent.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+'''
+  Script to determine if this commit has also
+  been merged through the stage branch
+'''
+#
+#  Usage:
+#    parent_check.py <branch> <commit_id>
+#
+#
+import sys
+import subprocess
+
+def run_cli_cmd(cmd, in_stdout=None, in_stderr=None):
+    '''Run a command and return its output'''
+    if not in_stderr:
+        proc = subprocess.Popen(cmd, bufsize=-1, stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=False)
+    else:
+        proc = subprocess.check_output(cmd, bufsize=-1, stdout=in_stdout, stderr=in_stderr, shell=False)
+    stdout, stderr = proc.communicate()
+    if proc.returncode != 0:
+        return {"rc": proc.returncode, "error": stderr}
+    else:
+        return {"rc": proc.returncode, "result": stdout}
+
+def main():
+    '''Check to ensure that the commit that is currently
+       being submitted is also in the stage branch.
+
+       if it is, succeed
+       else, fail
+    '''
+    branch = 'prod'
+
+    if sys.argv[1] != branch:
+        sys.exit(0)
+
+    # git co stg
+    results = run_cli_cmd(['/usr/bin/git', 'checkout', 'stg'])
+
+    # git pull latest
+    results = run_cli_cmd(['/usr/bin/git', 'pull'])
+
+    # setup on the <prod> branch in git
+    results = run_cli_cmd(['/usr/bin/git', 'checkout', 'prod'])
+
+    results = run_cli_cmd(['/usr/bin/git', 'pull'])
+    # merge the passed in commit into my current <branch>
+
+    commit_id = sys.argv[2]
+    results = run_cli_cmd(['/usr/bin/git', 'merge', commit_id])
+
+    # get the differences from stg and <branch>
+    results = run_cli_cmd(['/usr/bin/git', 'rev-list', '--left-right', 'stg...prod'])
+
+    # exit here with error code if the result coming back is an error
+    if results['rc'] != 0:
+        print results['error']
+        sys.exit(results['rc'])
+
+    count = 0
+    # Each 'result' is a commit
+    # Walk through each commit and see if it is in stg
+    for commit in results['result'].split('\n'):
+
+        # continue if it is already in stg
+        if not commit or commit.startswith('<'):
+            continue
+
+        # remove the first char '>'
+        commit = commit[1:]
+
+        # check if any remote branches contain $commit
+        results = run_cli_cmd(['/usr/bin/git', 'branch', '-q', '-r', '--contains', commit], in_stderr=None)
+
+        # if this comes back empty, nothing contains it, we can skip it as
+        # we have probably created the merge commit here locally
+        if results['rc'] == 0 and len(results['result']) == 0:
+            continue
+
+        # The results generally contain origin/pr/246/merge and origin/pr/246/head
+        # this is the pull request which would contain the commit in question.
+        #
+        # If the results do not contain origin/stg then stage does not contain
+        # the commit in question.  Therefore we need to alert!
+        if 'origin/stg' not in results['result']:
+            print "\nFAILED: (These commits are not in stage.)\n"
+            print "\t%s" % commit
+            count += 1
+
+    # Exit with count of commits in #{branch} but not stg
+    sys.exit(count)
+
+if __name__ == '__main__':
+    main()
+