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project: disable auto-gc on fetch for projects with clone-depth=1

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This prevents GC hangs on repos with large binaries by skipping implicit
GC during network fetch, using clone-depth=1 as a heuristic.

Bug: 379111283
Change-Id: I977bf8cd521b11e37eba7ebc9f62120f2bbaf760
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/533802
Tested-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Gavin Mak
2025-12-06 00:06:44 +00:00
committed by LUCI
parent 50c6226075
commit 7f87c54043
1 changed files with 10 additions and 0 deletions
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10
project.py
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@@ -2572,6 +2572,16 @@ class Project:
if os.path.exists(os.path.join(self.gitdir, "shallow")): if os.path.exists(os.path.join(self.gitdir, "shallow")):
cmd.append("--depth=2147483647") cmd.append("--depth=2147483647")
# Use clone-depth="1" as a heuristic for repositories containing
# large binaries and disable auto GC to prevent potential hangs.
# Check the configured depth because the `depth` argument might be None
# if REPO_ALLOW_SHALLOW=0 converted it to a partial clone.
effective_depth = (
self.clone_depth or self.manifest.manifestProject.depth
)
if effective_depth == 1:
cmd.append("--no-auto-gc")
if not verbose: if not verbose:
cmd.append("--quiet") cmd.append("--quiet")
if not quiet and sys.stdout.isatty(): if not quiet and sys.stdout.isatty():