recent_git_branches

.bashrc

# add this to your bashrc or other shell configuration to make it even faster
alias gb='recent_git_branches'

recent_git_branches

#!/bin/bash
# provides you a list of 10 most recent git branches to pick through interactively
# useful if you forget what you named your branches or dislike typing long branch names
# drop this in /usr/local/bin, probably you need to chmod +x it too
# should work on ubuntus/wsl2, unsure about OSX

# Colors
GREEN='\033[0;32m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Function to format time difference
format_time_difference() {
  local seconds=$1

  if ((seconds < 60)); then
    echo "${seconds} seconds ago"
  elif ((seconds < 3600)); then
    echo "$((seconds / 60)) minutes ago"
  elif ((seconds < 86400)); then
    echo "$((seconds / 3600)) hours ago"
  else
    echo "$((seconds / 86400)) days ago"
  fi
}

# Check if the current directory is a Git repository
if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
  echo "Not a Git repository. Please run this script inside a Git repository."
  exit 1
fi

# Get a list of the 10 most recent local branches and their last commit dates
branches=($(git for-each-ref --sort='-committerdate' --format='%(refname:short)' --count=10 refs/heads/))

# Function to switch to the selected branch
switch_to_branch() {
  if [[ $selected -ge 0 && $selected -lt ${#branches[@]} ]]; then
    branch=${branches[selected]}
    git checkout "$branch"
    echo -e "\nSwitched to ${GREEN}$branch${NC}"
    exit 0
  fi
}

# Function to cleanup and exit gracefully
cleanup_and_exit() {
  tput cnorm # Restore cursor visibility
  exit 0
}

# Trap the Exit signal (Escape key)
trap cleanup_and_exit EXIT

# Hide the cursor for a cleaner interface
tput civis

# Selected branch index
selected=0

# Read user input and handle keyboard events
while true; do
  # Display the branches with colored branch names and dates
  clear
  echo "Recent branches (most recent 10):"
  for i in "${!branches[@]}"; do
    branch=${branches[i]}
    last_commit_date=$(git log -n 1 --format="%ci" "$branch" | xargs -I {} date --date={} +"%s")
    current_date=$(date +"%s")
    time_difference=$((current_date - last_commit_date))
    formatted_time=$(format_time_difference "$time_difference")
    if ((i == selected)); then
      echo -e "${GREEN}[${i}] ${branch}${NC}, Last commit date: ${BLUE}${formatted_time}${NC}"
    else
      echo -e " ${GREEN}[${i}] ${branch}${NC}, Last commit date: ${BLUE}${formatted_time}${NC}"
    fi
  done

  # Read a single character silently
  read -rsn3 key

  case "$key" in
    $'\x1b[A') # up arrow
      ((selected--));;
    $'\x1b[B') # down arrow
      ((selected++));;
    "") # Enter key (newline)
      switch_to_branch
      ;;
  esac

  # Prevent negative or out-of-range index
  if ((selected < 0)); then
    selected=0
  elif ((selected >= ${#branches[@]})); then
    selected=$(( ${#branches[@]} - 1 ))
  fi
done