Fix deps gh action #8

	name: Dependency Changes

	# Trigger on PRs.
	on:
	pull_request:

	permissions:
	contents: read

	jobs:
	# Compare dependencies before and after this PR.
	dependencies:
	runs-on: ubuntu-latest
	timeout-minutes: 10
	strategy:
	fail-fast: true

	steps:
	- name: Checkout repo
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: stable
	cache-dependency-path: "*/go.sum"

	# Run the commands to generate dependencies before and after and compare.
	- name: Compare dependencies
	run: \|
	set -eux
	BASE_REF="${GITHUB_BASE_REF:-master}"
	# Suffixes passed to mktemp must not contain "/".
	BEFORE_SUFFIX="${BASE_REF//\//_}"
	AFTER_SUFFIX="${GITHUB_HEAD_REF//\//_}"

	BEFORE="$(mktemp -d --suffix="-${BEFORE_SUFFIX}")"
	AFTER="$(mktemp -d --suffix="-${AFTER_SUFFIX}")"

	scripts/gen-deps.sh "${AFTER}"
	# GITHUB_BASE_REF is set when the job is triggered by a PR.
	git checkout origin/"${BASE_REF}"
	scripts/gen-deps.sh "${BEFORE}"

	echo "Comparing dependencies..."
	# Run grep in a sub-shell since bash does not support ! in the middle of a pipe
	diff -u0 -r "${BEFORE}" "${AFTER}" \| bash -c '! grep -v "@@"'
	echo "No changes detected."

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