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Teach roll_versions.py how to update CHANGELOG.md files.

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This is feature creep.  But it was simple and fun. :p

R=abarth@chromium.org

Review URL: https://codereview.chromium.org/1175393002.
This commit is contained in:
Eric Seidel 2015-06-11 12:48:33 -07:00
parent 45730d5e82
commit 43b495c511
1 changed files with 31 additions and 1 deletions
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32
engine/src/flutter/tools/roll_versions.py
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@ -3,9 +3,12 @@
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import subprocess
import yaml
import xml.etree.ElementTree as ET
PUBSPECS = [
'sky/sdk/pubspec.yaml',
'mojo/public/dart/pubspec.yaml',
@ -38,6 +41,15 @@ def sort_dict(unsorted):
return sorted_dict
def count_commits(start, end):
return subprocess.check_output([
'git', 'rev-list', '%s...%s' % (start, end)]).count('\n')
def last_commit_to(file_path):
return subprocess.check_output(['git', 'log', '-1', '--format=%h', file_path]).strip()
def update_pubspec(pubspec):
# TODO(eseidel): This does not prserve any manual sort-order of the yaml.
with open(pubspec, 'r') as stream:
@ -48,6 +60,20 @@ def update_pubspec(pubspec):
with open(pubspec, 'w') as stream:
yaml.dump(spec, stream=stream, default_flow_style=False)
return spec['version']
def update_changelog(changelog, pubspec, version):
old = last_commit_to(pubspec)
new = last_commit_to('.')
url = "https://github.com/domokit/mojo/compare/%s...%s" % (old, new)
count = count_commits(old, new)
message = """## %s
- %s changes: %s
""" % (version, count, url)
prepend_to_file(message, changelog)
def prepend_to_file(to_prepend, filepath):
@ -77,9 +103,13 @@ def update_manifest(manifest):
def main():
# Should chdir to the root directory.
print 'Pub packages:'
for pubspec in PUBSPECS:
update_pubspec(pubspec)
new_version = update_pubspec(pubspec)
changelog = os.path.join(os.path.dirname(pubspec), 'CHANGELOG.md')
update_changelog(changelog, pubspec, new_version)
# TODO(eseidel): Without this ET uses 'ns0' for 'android' which is wrong.
ET.register_namespace('android', 'http://schemas.android.com/apk/res/android')