android/git-repo
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sync: pass --bare option when doing git clone of superproject.

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Changed "git pull" to "git fetch" as we are using --bare option. Used the
following command to fetch:
  git fetch origin +refs/heads/*:refs/heads/* --prune

Pass --branch argument to Superproject's UpdateProjectsRevisionId function.

Returned False/None when directories don't exist instead of raise
GitError exception from _Fetch and _LsTree functions. The caller of Fetch
does Clone if Fetch fails.

Tested the code with the following commands.

$ ./run_tests -v

Tested the init and sync code by copying all the repo changes into my Android
AOSP checkout and running repo sync with --use-superproject option.

Bug: https://crbug.com/gerrit/13709
Bug: https://crbug.com/gerrit/13707
Tested-by: Raman Tenneti <rtenneti@google.com>
Change-Id: I3e441ecdfc87c735f46eff0eb98efa63cc2eb22a
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/296222
Reviewed-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Raman Tenneti 2021-02-07 16:30:27 -08:00
parent 1fd7bc2438
commit 8d43dea6ea
3 changed files with 43 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
git_superproject.py
View File

@ -29,6 +29,9 @@ from error import BUG_REPORT_URL, GitError
from git_command import GitCommand
import platform_utils
_SUPERPROJECT_GIT_NAME = 'superproject.git'
_SUPERPROJECT_MANIFEST_NAME = 'superproject_override.xml'
class Superproject(object):
"""Get SHAs from superproject.
@ -48,8 +51,9 @@ class Superproject(object):
self._superproject_dir = superproject_dir
self._superproject_path = os.path.join(self._repodir, superproject_dir)
self._manifest_path = os.path.join(self._superproject_path,
'superproject_override.xml')
self._work_git = os.path.join(self._superproject_path, 'superproject')
_SUPERPROJECT_MANIFEST_NAME)
self._work_git = os.path.join(self._superproject_path,
_SUPERPROJECT_GIT_NAME)
@property
def project_shas(self):
@ -66,8 +70,9 @@ class Superproject(object):
Returns:
True if 'git clone <url> <branch>' is successful, or False.
"""
os.mkdir(self._superproject_path)
cmd = ['clone', url, '--filter', 'blob:none']
if not os.path.exists(self._superproject_path):
os.mkdir(self._superproject_path)
cmd = ['clone', url, '--filter', 'blob:none', '--bare']
if branch:
cmd += ['--branch', branch]
p = GitCommand(None,
@ -84,15 +89,17 @@ class Superproject(object):
return False
return True
def _Pull(self):
"""Do a 'git pull' to to fetch the latest content.
def _Fetch(self):
"""Do a 'git fetch' to to fetch the latest content.
Returns:
True if 'git pull <branch>' is successful, or False.
True if 'git fetch' is successful, or False.
"""
if not os.path.exists(self._work_git):
raise GitError('git pull missing drectory: %s' % self._work_git)
cmd = ['pull']
print('git fetch missing drectory: %s' % self._work_git,
file=sys.stderr)
return False
cmd = ['fetch', 'origin', '+refs/heads/*:refs/heads/*', '--prune']
p = GitCommand(None,
cmd,
cwd=self._work_git,
@ -100,7 +107,7 @@ class Superproject(object):
capture_stderr=True)
retval = p.Wait()
if retval:
print('repo: error: git pull call failed with return code: %r, stderr: %r' %
print('repo: error: git fetch call failed with return code: %r, stderr: %r' %
(retval, p.stderr), file=sys.stderr)
return False
return True
@ -114,7 +121,9 @@ class Superproject(object):
data: data returned from 'git ls-tree -r HEAD' instead of None.
"""
if not os.path.exists(self._work_git):
raise GitError('git ls-tree. Missing drectory: %s' % self._work_git)
print('git ls-tree missing drectory: %s' % self._work_git,
file=sys.stderr)
return None
data = None
cmd = ['ls-tree', '-z', '-r', 'HEAD']
p = GitCommand(None,
@ -136,18 +145,19 @@ class Superproject(object):
"""Get SHAs for all projects from superproject and save them in _project_shas.
Args:
url: superproject's url to be passed to git clone or pull.
branch: The branchname to be passed as argument to git clone or pull.
url: superproject's url to be passed to git clone or fetch.
branch: The branchname to be passed as argument to git clone or fetch.
Returns:
A dictionary with the projects/SHAs instead of None.
"""
if not url:
raise ValueError('url argument is not supplied.')
do_clone = True
if os.path.exists(self._superproject_path):
if not self._Pull():
# If pull fails due to a corrupted git directory, then do a git clone.
if not self._Fetch():
# If fetch fails due to a corrupted git directory, then do a git clone.
platform_utils.rmtree(self._superproject_path)
else:
do_clone = False
@ -208,7 +218,7 @@ class Superproject(object):
manifest: A Manifest object that is to be written to a file.
projects: List of projects whose revisionId needs to be updated.
url: superproject's url to be passed to git clone or fetch.
branch: The branchname to be passed as argument to git clone or pull.
branch: The branchname to be passed as argument to git clone or fetch.
Returns:
manifest_path: Path name of the overriding manfiest file instead of None.

19
subcmds/sync.py
View File

@ -271,6 +271,15 @@ later is required to fix a server side protocol bug.
dest='repo_upgraded', action='store_true',
help=SUPPRESS_HELP)
def _GetBranch(self):
"""Returns the branch name for getting the approved manifest."""
p = self.manifest.manifestProject
b = p.GetBranch(p.CurrentBranch)
branch = b.merge
if branch.startswith(R_HEADS):
branch = branch[len(R_HEADS):]
return branch
def _UpdateProjectsRevisionId(self, opt, args):
"""Update revisionId of every project with the SHA from superproject.
@ -302,9 +311,11 @@ later is required to fix a server side protocol bug.
all_projects = self.GetProjects(args,
missing_ok=True,
submodules_ok=opt.fetch_submodules)
branch = self._GetBranch()
manifest_path = superproject.UpdateProjectsRevisionId(self.manifest,
all_projects,
url=superproject_url)
url=superproject_url,
branch=branch)
if not manifest_path:
print('error: Update of revsionId from superproject has failed',
file=sys.stderr)
@ -753,11 +764,7 @@ later is required to fix a server side protocol bug.
try:
server = xmlrpc.client.Server(manifest_server, transport=transport)
if opt.smart_sync:
p = self.manifest.manifestProject
b = p.GetBranch(p.CurrentBranch)
branch = b.merge
if branch.startswith(R_HEADS):
branch = branch[len(R_HEADS):]
branch = self._GetBranch()
if 'SYNC_TARGET' in os.environ:
target = os.environ['SYNC_TARGET']

8
tests/test_git_superproject.py
View File

@ -78,11 +78,11 @@ class SuperprojectTestCase(unittest.TestCase):
with mock.patch.object(self._superproject, '_Clone', return_value=False):
self._superproject._GetAllProjectsSHAs(url='localhost')
def test_superproject_get_project_shas_mock_pull(self):
"""Test with _Pull failing."""
def test_superproject_get_project_shas_mock_fetch(self):
"""Test with _Fetch failing."""
with self.assertRaises(GitError):
with mock.patch.object(self._superproject, '_Clone', return_value=True):
with mock.patch.object(self._superproject, '_Pull', return_value=False):
with mock.patch.object(self._superproject, '_Fetch', return_value=False):
self._superproject._GetAllProjectsSHAs(url='localhost')
def test_superproject_get_project_shas_mock_ls_tree(self):
@ -141,7 +141,7 @@ class SuperprojectTestCase(unittest.TestCase):
data = ('160000 commit 2c2724cb36cd5a9cec6c852c681efc3b7c6b86ea\tart\x00'
'160000 commit e9d25da64d8d365dbba7c8ee00fe8c4473fe9a06\tbootable/recovery\x00')
with mock.patch.object(self._superproject, '_Clone', return_value=True):
with mock.patch.object(self._superproject, '_Pull', return_value=True):
with mock.patch.object(self._superproject, '_Fetch', return_value=True):
with mock.patch.object(self._superproject, '_LsTree', return_value=data):
# Create temporary directory so that it can write the file.
os.mkdir(self._superproject._superproject_path)