#!/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 "$@"