Peter Steinberger's Multiple Checkout aliases

.zshrc

# Create a new clone and branch for parallel development.
# Usage: ga <branch-name> [base-branch]
ga() {
  if [[ -z "$1" ]]; then
    echo "Usage: ga <branch-name> [base-branch]"
    return 1
  fi
  local branch="$1"
  local repo_name="$(basename "$PWD")"
  local repo_url="$(git remote get-url origin)"
  local clone_path="../${repo_name}-${branch}"

  # Use fzf to select base branch, defaulting to main
  local base_branch="$(git branch -r --format='%(refname:short)' | sed 's|origin/||' | fzf --height=20 --prompt='Select base branch: ' --query="main")"

  # If fzf was cancelled, fall back to main
  if [[ -z "$base_branch" ]]; then
    base_branch="main"
  fi

  echo "Creating clone at $clone_path from $base_branch..."

  # Clone with reference to current repo for speed/space savings
  git clone --reference "$PWD" "$repo_url" "$clone_path"

  # Enter clone and set up branch
  cd "$clone_path"
  git checkout "$base_branch"
  git checkout -b "sj/$branch"

  echo "Created clone at $clone_path on branch sj/$branch (based on $base_branch)"
}

# Remove a cloned repo directory. Warns if there are uncommitted changes.
# Run from within the clone you want to delete.
gd() {
  local cwd="$(pwd)"
  local clone_name="$(basename "$cwd")"

  # Check for uncommitted changes
  if [[ -n "$(git status --porcelain 2>/dev/null)" ]]; then
    echo "⚠️  Warning: You have uncommitted changes:"
    git status --short
    echo ""
    if ! gum confirm "Delete anyway?"; then
      echo "Aborted"
      return 1
    fi
  fi

  # Check for unpushed commits
  local unpushed="$(git log --oneline @{upstream}..HEAD 2>/dev/null)"
  if [[ -n "$unpushed" ]]; then
    echo "⚠️  Warning: You have unpushed commits:"
    echo "$unpushed"
    echo ""
    if ! gum confirm "Delete anyway?"; then
      echo "Aborted"
      return 1
    fi
  fi

  if gum confirm "Remove clone '$clone_name'?"; then
    cd ..
    rm -rf "$clone_name"
    echo "Removed $clone_name"
  fi
}