def _addAppYaml(self):
"""Create a Google production app.yaml configuration.
The file is copied and modified from the upstream
app.yaml.template, configure for Google's Summer of Code App
Engine instance, and committed.
"""
if self.wc.exists(self._branchPath('app/app.yaml')):
raise ObstructionError('app/app.yaml exists already')
yaml_path = self._branchPath('app/app.yaml')
self.wc.copy(yaml_path + '.template', yaml_path)
yaml = io.fileToLines(self.wc.path(yaml_path))
out = []
for i, line in enumerate(yaml):
stripped_line = line.strip()
if 'TODO' in stripped_line:
continue
elif stripped_line == '# application: FIXME':
out.append('application: socghop')
elif stripped_line.startswith('version:'):
out.append(line.lstrip() + 'g0')
out.append('# * initial Google fork of Melange ' + self.branch)
else:
out.append(line)
io.linesToFile(self.wc.path(yaml_path), out)
self.wc.commit('Create app.yaml with Google patch version g0 '
'in branch ' + self.branch)
def cherryPickChange(self):
"""Cherry-pick a change from the Melange trunk"""
rev = io.getNumber('Revision number to cherry-pick:')
bug = io.getNumber('Issue fixed by this change:')
diff = subversion.diff(self.upstream_repos + '/trunk', rev)
if not diff.strip():
raise error.ExpectationFailed(
'Retrieved diff is empty. '
'Did you accidentally cherry-pick a branch change?')
util.run(['patch', '-p0'], cwd=self.wc.path(self.branch_dir), stdin=diff)
self.wc.addRemove(self.branch_dir)
yaml_path = self.wc.path(self._branchPath('app/app.yaml'))
out = []
updated_patchlevel = False
for line in io.fileToLines(yaml_path):
if line.strip().startswith('version: '):
version = line.strip().split()[-1]
base, patch = line.rsplit('g', 1)
new_version = '%sg%d' % (base, int(patch) + 1)
message = ('Cherry-picked r%d from /p/soc/ to fix issue %d' %
(rev, bug))
out.append('version: ' + new_version)
out.append('# * ' + message)
updated_patchlevel = True
else:
out.append(line)
if not updated_patchlevel:
log.error('Failed to update Google patch revision')
log.error('Cherry-picking failed')
io.linesToFile(yaml_path, out)
log.info('Check the diff about to be committed with:')
log.info('svn diff ' + self.wc.path(self.branch_dir))
if not io.confirm('Commit this change?'):
raise error.AbortedByUser('Cherry-pick aborted')
self.wc.commit(message)
log.info('Cherry-picked r%d from the Melange trunk.' % rev)
def _applyGooglePatches(self):
"""Apply Google-specific patches to a vanilla Melange release.
Each patch is applied and committed in turn.
"""
# Edit the base template to point users to the Google fork
# of the Melange codebase instead of the vanilla release.
tmpl_file = self.wc.path(
self._branchPath('app/soc/templates/soc/base.html'))
tmpl = io.fileToLines(tmpl_file)
for i, line in enumerate(tmpl):
if 'http://code.google.com/p/soc/source/browse/tags/' in line:
tmpl[i] = line.replace('/p/soc/', '/p/soc-google/')
break
else:
raise error.ExpectationFailed(
'No source code link found in base.html')
io.linesToFile(tmpl_file, tmpl)
self.wc.commit(
'Customize the Melange release link in the sidebar menu')
def __init__(self, root, release_repos, upstream_repos):
"""Initializer.
Args:
root: The root of the release environment.
release_repos: The URL to the Google release repository root.
upstream_repos: The URL to the Melange upstream repository root.
"""
util.Paths.__init__(self, root)
self.wc = subversion.WorkingCopy(self.path('google-soc'))
self.release_repos = release_repos.strip('/')
self.upstream_repos = upstream_repos.strip('/')
if not self.wc.exists():
self._InitializeWC()
else:
self.wc.revert()
if self.exists(self.BRANCH_FILE):
branch = io.fileToLines(self.path(self.BRANCH_FILE))[0]
self._switchBranch(branch)
else:
self._switchBranch(None)
