git-recent - Interactively check out branches based on latest commit

git-recent

#!/usr/bin/env sh
set -eu

if ! command -v fzf >/dev/null 2>&1; then
  printf '%s\n' "fzf not found. Install with: brew install fzf" >&2
  printf '%s' "Install now with brew? [Y/n] " >&2
  read -r reply || reply=""
  case "$reply" in
    ""|"y"|"Y"|"yes"|"YES")
      if command -v brew >/dev/null 2>&1; then
        brew install fzf || exit 1
      else
        printf '%s\n' "Homebrew not found. Install it first, then run: brew install fzf" >&2
        exit 1
      fi
      ;;
    *)
      exit 1
      ;;
  esac
fi

current_branch="$(git symbolic-ref --short HEAD 2>/dev/null || true)"

branch="$(
  git for-each-ref \
    --sort=-committerdate \
    --format='%(refname:short)|%(committerdate:short)|%(committername)|%(subject)' \
    refs/heads \
  | awk -F'|' -v current_branch="$current_branch" '
      function trunc(s, n) {
        return length(s) > n ? substr(s, 1, n - 3) "..." : s
      }
      {
        if (current_branch != "" && $1 == current_branch) next
        b = trunc($1, 28)
        d = trunc($2, 10)
        c = trunc($3, 20)
        s = trunc($4, 50)
        printf "%-28s  %-10s  %-20s  %-50s\n", b, d, c, s
      }
    ' \
  | fzf --prompt="Checkout branch> " \
  | awk '{print $1}'
)"

if [ -n "${branch:-}" ]; then
  git checkout "$branch"
fi