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dnswatcher/script/precommit

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#!/bin/sh
# script/precommit: run by the git pre-commit hook; fails the commit if
# checks fail. Our own extension to scripts-to-rule-them-all. Go extra:
# go mod tidy must be a no-op before the checks run.
set -eu
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
main() {
cd "$ROOT"
go mod tidy
if ! git diff --exit-code -- go.mod go.sum; then
echo "precommit: go mod tidy changed go.mod/go.sum;" \
"stage the changes and retry" >&2
exit 1
fi
"$SCRIPT_DIR/check"
}
main "$@"