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fix(hooks): export skip-worktree entries into the pre-commit snapshot #20

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Merged
paustint merged 1 commit into from
Oct 16, 2026
Merged

fix(hooks): export skip-worktree entries into the pre-commit snapshot #20

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6 changes: 4 additions & 2 deletions .githooks/pre-commit
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Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,14 @@ done
# exactly what the commit will contain, so a file formatted on disk but never re-staged cannot
# slip through, and unstaged edits cannot block a clean commit. git points GIT_INDEX_FILE at the
# right index for `commit -a` and `commit <path>` too, and checkout-index honours it. Every
# tracked file is exported, so the whole codebase is checked, not only the files being changed.
# tracked file is exported, so the whole codebase is checked, not only the files being changed;
# --ignore-skip-worktree-bits includes paths a sparse checkout or `update-index --skip-worktree`
# leaves out of the working tree.
snapshot=$(mktemp -d "${TMPDIR:-/tmp}/pre-commit.XXXXXX") || exit 1
trap 'rm -rf "$snapshot"' EXIT
trap 'exit 1' HUP INT TERM

git -C "$root" checkout-index --all --prefix="$snapshot/" || exit 1
git -C "$root" checkout-index --all --ignore-skip-worktree-bits --prefix="$snapshot/" || exit 1

# Some lint rules resolve imports, so the snapshot shares the installed dependencies.
ln -s "$root/node_modules" "$snapshot/node_modules" || exit 1
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