78 lines
2.2 KiB
Bash
78 lines
2.2 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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REPO_DIR="${REPO_DIR:-$(pwd)}"
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TARGET_BRANCH="${TARGET_BRANCH:-thirdparty/skill}"
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SNAPSHOT_DIR="${SNAPSHOT_DIR:-superpowers}"
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SOURCE_FILE="${SOURCE_FILE:-${SNAPSHOT_DIR}/SOURCE.md}"
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UPSTREAM_REPO="${UPSTREAM_REPO:-https://github.com/obra/superpowers.git}"
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UPSTREAM_REF="${UPSTREAM_REF:-main}"
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COMMIT_AUTHOR_NAME="${COMMIT_AUTHOR_NAME:-playbook-bot}"
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COMMIT_AUTHOR_EMAIL="${COMMIT_AUTHOR_EMAIL:-playbook-bot@local}"
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cd "$REPO_DIR"
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git config user.name "$COMMIT_AUTHOR_NAME"
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git config user.email "$COMMIT_AUTHOR_EMAIL"
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git fetch origin "$TARGET_BRANCH"
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git checkout -B "$TARGET_BRANCH" "origin/$TARGET_BRANCH"
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latest_sha="$(git ls-remote "$UPSTREAM_REPO" "refs/heads/$UPSTREAM_REF" | awk 'NR==1 {print $1}')"
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if [ -z "$latest_sha" ]; then
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echo "ERROR: failed to resolve upstream ref: $UPSTREAM_REPO $UPSTREAM_REF" >&2
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exit 1
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fi
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current_sha=""
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if [ -f "$SOURCE_FILE" ]; then
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current_sha="$(sed -n 's/^- Ref:[[:space:]]*//p' "$SOURCE_FILE" | head -n 1)"
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fi
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if [ "$latest_sha" = "$current_sha" ]; then
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echo "Third-party snapshot is up to date: $latest_sha"
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exit 0
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fi
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tmp_dir="$(mktemp -d)"
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cleanup() {
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rm -rf "$tmp_dir"
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}
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trap cleanup EXIT
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upstream_dir="$tmp_dir/upstream"
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git init "$upstream_dir" >/dev/null
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git -C "$upstream_dir" remote add origin "$UPSTREAM_REPO"
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git -C "$upstream_dir" fetch --depth 1 origin "$latest_sha"
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git -C "$upstream_dir" checkout --detach FETCH_HEAD
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rm -rf "$SNAPSHOT_DIR"
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mkdir -p "$SNAPSHOT_DIR"
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git -C "$upstream_dir" archive --format=tar HEAD | tar -xf - -C "$SNAPSHOT_DIR"
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snapshot_date="$(date -u +%Y-%m-%d)"
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cat > "$SOURCE_FILE" <<EOF
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# Source
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- Repo: ${UPSTREAM_REPO%".git"}
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- Ref: $latest_sha
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- Snapshot: $snapshot_date
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- Notes: vendored into playbook branch $TARGET_BRANCH
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EOF
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git add "$SNAPSHOT_DIR"
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if git diff --cached --quiet; then
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echo "No changes detected after snapshot refresh."
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exit 0
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fi
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git commit -m ":package: deps(superpowers): vendor snapshot"
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TOKEN="${WORKFLOW:-}"
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if [ -n "$TOKEN" ] && [ -n "${GITHUB_SERVER_URL:-}" ] && [ -n "${GITHUB_REPOSITORY:-}" ]; then
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git remote set-url origin "https://oauth2:${TOKEN}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git"
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fi
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git push origin "$TARGET_BRANCH"
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