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Fetch only the commit graph of a fork's parent #16

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Merged
krystophny merged 1 commit into from
Nov 13, 2026
Merged

Fetch only the commit graph of a fork's parent #16

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5 changes: 4 additions & 1 deletion .github/workflows/repo-hygiene.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,10 @@ jobs:
-H 'Accept: application/vnd.github+json' "https://api.github.com/repos/$REPOSITORY" |
python3 -c 'import json, sys; print((json.load(sys.stdin).get("parent") or {}).get("full_name", ""))')
if [ -n "$parent" ]; then
git fetch --no-tags "https://github.com/$parent.git" '+refs/heads/*:refs/upstream/*'
# Only the parent's commit graph is needed to exclude its commits;
# a full fetch of a large parent fills the runner disk.
git remote add upstream "https://github.com/$parent.git"
git -c gc.auto=0 fetch --no-tags --filter=tree:0 upstream '+refs/heads/*:refs/upstream/*'
fi
- uses: actions/checkout@v6
with:
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