git-activity

#!/bin/bash
set -e
GIT_OPTS=""
OUTPUT_FILTER="cat" # no-op
commit_id_format=$(tput setaf 1)
date_format=$(tput bold; tput setaf 4)
author_format=$(tput setaf 2)
ref_name_format=$(tput setaf 3)
bold=$(tput bold)
reset=$(tput sgr0)

function usage() {
  echo ""
  echo "git activity"
  echo ""
  echo " See 'man git-activity' for further information"
}

# actually parse the options and do stuff
while [[ $1 = -?* ]]; do
  case $1 in
    -h|--help)
      usage
      exit 0
    ;;
    --fetch)
      echo "Fetch updates"
      git fetch -q
    ;;
    -c|--count)
      shift
      limit=${1-"10"}
      #OUTPUT_FILTER="tail -n ${limit}"
      GIT_OPTS="--count=${limit}"
    ;;
    --no-color|--no-color)
      commit_id_format=""
      date_format=""
      author_format=""
      ref_name_format=""
      bold=""
      reset=""
    ;;
    *) ;;
  esac
  shift
done

# Use newline as a field separator
IFS=$(echo -en "\n\b")

# Use tac if available, otherwise tail with the possibly-not-always-available
# -r flag (for reverse output)
TAC=$(which tac || echo 'tail -r')

for line in $(git for-each-ref ${GIT_OPTS} refs/remotes --format="%(authordate:relative)|%(objectname:short)|%(authorname)|%(refname:short)|%(subject)" --sort="-authordate"); do
  fields=(`echo $line | tr "|" "\n"`)
  printf "${date_format}%15s${reset} ${commit_id_format}%s${reset} - ${author_format}[%s]${reset} (${ref_name_format}%s${reset}): %s\n" ${fields[*]}
done | eval $TAC # reverse sort the output to show the newest entry last