project: set core.repositoryFormatVersion=1 when using extensions

When using extensions, make sure we set the git repo format version
so git knows to check the extension compatibility.  We can add a
helper to the Project API to simplify this and make it foolproof.

Change-Id: I9ab6c32d92fe2b8e5df6e2b080ca71556332e909
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/256035
Tested-by: Mike Frysinger <vapier@google.com>
Reviewed-by: Jonathan Nieder <jrn@google.com>
This commit is contained in:
Mike Frysinger 2020-02-19 15:50:00 -05:00
parent 77b4397a73
commit f81c72ed77
2 changed files with 21 additions and 4 deletions

View File

@ -2186,6 +2186,24 @@ class Project(object):
return result
# Direct Git Commands ##
def EnableRepositoryExtension(self, key, value='true', version=1):
"""Enable git repository extension |key| with |value|.
Args:
key: The extension to enabled. Omit the "extensions." prefix.
value: The value to use for the extension.
version: The minimum git repository version needed.
"""
# Make sure the git repo version is new enough already.
found_version = self.config.GetInt('core.repositoryFormatVersion')
if found_version is None:
found_version = 0
if found_version < version:
self.config.SetString('core.repositoryFormatVersion', str(version))
# Enable the extension!
self.config.SetString('extensions.%s' % (key,), value)
def _CheckForImmutableRevision(self):
try:
# if revision (sha or tag) is not present then following function
@ -2314,7 +2332,7 @@ class Project(object):
if clone_filter:
git_require((2, 19, 0), fail=True, msg='partial clones')
cmd.append('--filter=%s' % clone_filter)
self.config.SetString('extensions.partialclone', self.remote.name)
self.EnableRepositoryExtension('partialclone', self.remote.name)
if depth:
cmd.append('--depth=%s' % depth)
@ -2630,7 +2648,7 @@ class Project(object):
# Enable per-worktree config file support if possible. This is more a
# nice-to-have feature for users rather than a hard requirement.
if self.use_git_worktrees and git_require((2, 19, 0)):
self.config.SetString('extensions.worktreeConfig', 'true')
self.EnableRepositoryExtension('worktreeConfig')
# If we have a separate directory to hold refs, initialize it as well.
if self.objdir != self.gitdir:

View File

@ -576,8 +576,7 @@ later is required to fix a server side protocol bug.
print('%s: Shared project %s found, disabling pruning.' %
(project.relpath, project.name))
if git_require((2, 7, 0)):
project.config.SetString('core.repositoryFormatVersion', '1')
project.config.SetString('extensions.preciousObjects', 'true')
project.EnableRepositoryExtension('preciousObjects')
else:
# This isn't perfect, but it's the best we can do with old git.
print('%s: WARNING: shared projects are unreliable when using old '