Git: Display a list of recently checked out branches/tags/commits

git-recent

#!/usr/bin/env bash

# Source: https://gist.github.com/jordan-brough/48e2803c0ffa6dc2e0bd

# Download this script as "git-recent" (no extension), chmod it to be executable and put it in your
# path somewhere (e.g. /usr/bin). You can then use it via `git recent` from inside any git repo.

# Example:
#
# $ git recent -n 5
# master
# stable
# master
# some-cool-feature
# feature/improve-everything

usage()
{
  echo "usage: git recent [-n lines]"
}

while getopts "hn:" opt; do
  case $opt in
    h)
      usage
      exit 1
      ;;
    n)
      NUM=$OPTARG
      ;;
    \?)
      usage
      exit 1
      ;;
  esac
done

NUM=${NUM-10} # default to 10 lines

# This: `awk ' !x[$0]++'` removes duplicates.  See http://stackoverflow.com/questions/11532157
git reflog | egrep -io "moving from ([^[:space:]]+)" | awk '{ print $3 }' | awk ' !x[$0]++' |
  # remove detached heads
  egrep -v '[a-f0-9]{40}' |
  head -n $NUM