#!/usr/bin/env bash
# SPDX-License-Identifier: LicenseRef-Starship-1.0
# Copyright (c) 2023-2026 Robert A. James
# test_acceptance_signing.sh -- #174: the PR gate into master refuses an unsigned build. The step
# ".gitea/workflows/acceptance.yml: The capsule-signing key" is taken from the workflow as CI runs
# it, and run here with and without CAPSULE_SIGN_KEY.
#
# Prints PASS:/FAIL: per check and RESULT:; exits 0 only if every check passes.
set -uo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
T=$(mktemp -d)
trap 'rm -rf "$T"' EXIT
ok=1

python3 - "$ROOT/.gitea/workflows/acceptance.yml" "$T/step.sh" <<'EOF' || { echo "FAIL: no 'The capsule-signing key' step in acceptance.yml"; exit 1; }
import sys, yaml
steps = yaml.safe_load(open(sys.argv[1]))["jobs"]["acceptance"]["steps"]
run = [s["run"] for s in steps if s.get("name") == "The capsule-signing key"]
assert len(run) == 1
open(sys.argv[2], "w").write(run[0])
EOF

run_step() {  # run_step <key or empty>: the step's exit status; GITHUB_ENV and RUNNER_TEMP in $T
    : > "$T/env"
    KEY="$1" GITHUB_ENV="$T/env" RUNNER_TEMP="$T" bash -e "$T/step.sh" > "$T/out" 2>&1
}

if run_step ""; then echo "FAIL: #174 no CAPSULE_SIGN_KEY: the step passed -- an unsigned build would be accepted"; ok=0
else echo "PASS: #174 no CAPSULE_SIGN_KEY: the step fails, the gate refuses the unsigned build"; fi
grep -q "::error::" "$T/out" && echo "PASS: #174 and says so as an error" || { echo "FAIL: #174 no ::error:: line"; ok=0; }

if run_step "-----BEGIN PRIVATE KEY----- test -----END PRIVATE KEY-----" && grep -q "^SIGN_KEY=$T/capsule-signing.key$" "$T/env" &&
   [ -s "$T/capsule-signing.key" ]; then
    echo "PASS: with a key: the step passes and hands it to the build (SIGN_KEY)"
else echo "FAIL: with a key: the step did not pass, or did not set SIGN_KEY"; ok=0; fi

echo "RESULT: $([ $ok = 1 ] && echo PASS || echo FAIL)"
[ $ok = 1 ]