Add release notes script

Adds a script to find the latest release and gather all commits
from then until the latest commit, then spits out restructured
text.

1 files changed, 74 insertions, 0 deletions

diff --git a/scripts/git-release-notes.py b/scripts/git-release-notes.py
new file mode 100755
index 00000000..5e4c3acb
--- /dev/null
+++ b/scripts/git-release-notes.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import datetime
+import re
+import subprocess
+
+RELEASE = re.compile(r'[0-9]+\.[0-9]+\.[0-9]+')
+ISSUE = re.compile(r'#([0-9]+)')
+REVLIST = 'git rev-list develop --abbrev-commit --format="parents %p%n%B%n~~~" --max-count=200 develop'
+TEMPLATE = """
+boto v{version}
+===========
+
+:date: {date}
+
+Description goes here.
+
+
+Changes
+-------
+{changes}
+"""
+
+revisions = subprocess.check_output(REVLIST, shell=True, stderr=subprocess.STDOUT)
+
+commit_list = []
+for hunk in revisions.split('~~~')[:-1]:
+    lines = hunk.strip().splitlines()
+    commit = lines[0].split(' ', 1)[1]
+    parents = lines[1].split(' ', 1)[1].split(' ')
+    message = ' '.join(lines[2:])
+
+    #print(commit, parents)
+
+    if RELEASE.search(message):
+        print('Found release commit, stopping:')
+        print(message)
+        break
+
+    if len(parents) > 1:
+        commit_list.append([commit, message])
+
+removals = [
+    re.compile(r'merge pull request #[0-9]+ from [a-z0-9/_-]+', re.I),
+    re.compile(r"merge branch '[a-z0-9/_-]+' into [a-z0-9/_-]+", re.I),
+    re.compile(r'fix(es)? [#0-9, ]+.?', re.I)
+]
+
+changes = ''
+for commit, message in commit_list:
+    append = []
+    for issue in ISSUE.findall(message):
+        append.append(':issue:`{issue}`'.format(issue=issue))
+    append.append(':sha:`{commit}`'.format(commit=commit))
+    append = ' (' + ', '.join(append) + ')'
+
+    original = message
+    for removal in removals:
+        message = removal.sub('', message)
+
+    message = message.strip()
+
+    if not message:
+        message = original.strip()
+
+    changes += '* ' + message + append + '\n'
+
+print(TEMPLATE.format(
+    version='?.?.?',
+    date=datetime.datetime.now().strftime('%Y/%m/%d'),
+    changes=changes
+))