#!/bin/bash# ====================================================# @file githappy.sh - version bump/tag/release sidecar# ====================================================# @description# - sidecar for `@githappy` — bumps version, tags, promotes main to production# @see AGENTS.md, AGENTS/templates/git.md, AGENTS/git/githappy.mdset -euo pipefailFLAG=${1:-}if [ "$FLAG" = "--major" ]; then  TYPE="major"elif [ "$FLAG" = "--minor" ] || [ -z "$FLAG" ]; then  TYPE="minor"else  echo "fatal: release flag must be '--minor' or '--major'" >&2  exit 1fi# check if in git repositoryif ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then  echo "fatal: not a git repository" >&2; exit 1; fi# check for github cliif ! command -v gh >/dev/null 2>&1 || ! gh auth status >/dev/null 2>&1; then  echo "fatal: gh cli missing or unauthenticated" >&2; exit 1; fi# query remote to ensure origin/HEAD exists locallygit remote set-head origin --auto >/dev/null 2>&1 || true# initialize variablesDEFAULT_BRANCH=$(git symbolic-ref refs/remotes/origin/HEAD 2>/dev/null | sed 's@^refs/remotes/origin/@@' || echo "main")CURRENT_BRANCH=$(git branch --show-current 2>/dev/null || echo "")PRODUCTION_BRANCH="production"# validate branch statesif [ -z "$CURRENT_BRANCH" ]; then  echo "fatal: detached HEAD" >&2; exit 1; fiif [ "$CURRENT_BRANCH" != "$DEFAULT_BRANCH" ]; then  echo "fatal: must be on default branch ($DEFAULT_BRANCH) to release" >&2; exit 1; fiif ! git show-ref --verify --quiet "refs/heads/$PRODUCTION_BRANCH" && ! git ls-remote --exit-code --heads origin "$PRODUCTION_BRANCH" >/dev/null 2>&1; then  echo "fatal: production branch '$PRODUCTION_BRANCH' does not exist locally or on remote." >&2; exit 1; fi# ensure no active rebases or merges (fail fast before pushing)if [ -d ".git/rebase-merge" ] || [ -d ".git/rebase-apply" ] || [ -f ".git/MERGE_HEAD" ] || [ -f ".git/CHERRY_PICK_HEAD" ]; then  echo "fatal: merge, rebase, or cherry-pick in progress" >&2; exit 1; fi# ensure clean working treeif git status --porcelain 2>/dev/null | grep -q .; then  echo "fatal: working tree has uncommitted changes. run @gitdeliver or @gitcontinue first." >&2; exit 1; fi# sync default branch with remoteif ! git fetch origin "$DEFAULT_BRANCH" --quiet; then  echo "fatal: could not fetch origin/$DEFAULT_BRANCH (network or remote error)" >&2; exit 1; fiLOCAL_COMMIT=$(git rev-parse "$DEFAULT_BRANCH")REMOTE_COMMIT=$(git rev-parse "origin/$DEFAULT_BRANCH")if [ "$LOCAL_COMMIT" != "$REMOTE_COMMIT" ]; then  echo "fatal: local $DEFAULT_BRANCH is out of sync with origin. run @gitcontinue or pull first." >&2; exit 1; fi# execute npm version bumpecho "=== bumping version ($TYPE) ==="NEW_VERSION=$(npm version "$TYPE")if [ "$PRODUCTION_BRANCH" != "" ]; then  echo "=== merging to $PRODUCTION_BRANCH branch ==="  # fetch production if it only exists on remote  if ! git show-ref --verify --quiet "refs/heads/$PRODUCTION_BRANCH"; then    git fetch origin "$PRODUCTION_BRANCH:$PRODUCTION_BRANCH"  fi  git switch "$PRODUCTION_BRANCH"  git merge --ff-only "$DEFAULT_BRANCH"  git push origin "$PRODUCTION_BRANCH"  git switch "$DEFAULT_BRANCH"fiecho "=== pushing $NEW_VERSION to origin ==="git push origin "$DEFAULT_BRANCH" --follow-tagsecho "=== creating github release $NEW_VERSION ==="gh release create "$NEW_VERSION" --generate-notes --title "Release $NEW_VERSION"cat <<EOF=== @githappy release complete ===BUMPED: $NEW_VERSIONBRANCH: $DEFAULT_BRANCHEOFif [ "$PRODUCTION_BRANCH" != "" ]; then  echo "PROMOTED: merged to $PRODUCTION_BRANCH"ficat <<EOFSTATUS: pushed and released on github==================================EOF