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Add envar to replace shallow clones with partial

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An investigation go/git-repo-shallow shows a number of problems
when doing a shallow git fetch/clone. This change introduces an
environment variable REPO_ALLOW_SHALLOW. When this environment variable
is set to 1 during a repo init or repo sync all shallow git fetch
commands are replaced with partial fetch commands. Any shallow
repository needing update is unshallowed. This behavior continues until
a subsequent repo sync command is run with REPO_ALLOW_SHALLOW set to 1.

Bug: b/274340522
Change-Id: I1c3188270629359e52449788897d9d4988ebf280
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/374754
Reviewed-by: Josip Sokcevic <sokcevic@google.com>
Tested-by: Jason Chang <jasonnc@google.com>
This commit is contained in:
Jason Chang 2023-05-23 13:06:55 -07:00
parent 04cba4add5
commit 17833322d9
4 changed files with 55 additions and 0 deletions
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6
manifest_xml.py
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@ -981,6 +981,12 @@ https://gerrit.googlesource.com/git-repo/+/HEAD/docs/manifest-format.md
return self.manifestProject.clone_filter
return None
@property
def CloneFilterForDepth(self):
if self.manifestProject.clone_filter_for_depth:
return self.manifestProject.clone_filter_for_depth
return None
@property
def PartialCloneExclude(self):
exclude = self.manifest.manifestProject.partial_clone_exclude or ""