From 8f6009de0f28278ffefdbff56e90fff9db636877 Mon Sep 17 00:00:00 2001
From: Toshio Kuratomi <a.badger@gmail.com>
Date: Thu, 5 Jan 2017 10:00:48 -0800
Subject: [PATCH] Add initial script to aid in cherrypicking from devel to
 stable-2.2

---
 hacking/cherrypick.py | 52 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100755 hacking/cherrypick.py

diff --git a/hacking/cherrypick.py b/hacking/cherrypick.py
new file mode 100755
index 0000000000..ad55dc84fe
--- /dev/null
+++ b/hacking/cherrypick.py
@@ -0,0 +1,52 @@
+#!/usr/bin/python3
+
+import os
+import sys
+import tempfile
+
+import sh
+
+REPO_PATH = {'extras': '/srv/ansible/stable-2.2/lib/ansible/modules/extras',
+        'core': '/srv/ansible/stable-2.2/lib/ansible/modules/core'}
+
+if __name__ == '__main__':
+    commit_hash = sys.argv[1]
+    which_modules = sys.argv[2]
+    git = sh.git.bake('--no-pager', _tty_out=False)
+    try:
+        # Get the change
+        git('checkout', 'devel')
+        patch = git('format-patch', '-1', '--stdout', commit_hash).stdout
+    finally:
+        git('checkout', '-')
+
+    # Transform the change for the new repo
+    patch = patch.replace(b'lib/ansible/modules/', b'')
+    new_patch = []
+    patch_stream = (l for l in patch.split(b'\n'))
+    for line in patch_stream:
+        if line.strip() == b'---':
+            new_patch.append(b'(cherry picked from %s)' % commit_hash.encode('utf-8'))
+            new_patch.append(line)
+            break
+        new_patch.append(line)
+    new_patch.extend(list(patch_stream))
+
+    # Save the patch
+    try:
+        fh, patchfilename = tempfile.mkstemp()
+        os.write(fh, b'\n'.join(new_patch))
+        os.close(fh)
+
+        # Apply the patch
+        try:
+            orig_dir = os.getcwd()
+            os.chdir(REPO_PATH[which_modules])
+            git('am', patchfilename)
+        finally:
+            os.chdir(orig_dir)
+    except:
+        print("Problem occurred.  Patch saved in: {}".format(patchfilename))
+    else:
+        os.remove(patchfilename)
+