project: disable auto-gc on fetch for projects with clone-depth=1
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>
diff --git a/project.py b/project.py
index d90a534..a61c43e 100644
--- a/project.py
+++ b/project.py
@@ -2572,6 +2572,16 @@
if os.path.exists(os.path.join(self.gitdir, "shallow")):
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:
cmd.append("--quiet")
if not quiet and sys.stdout.isatty():
