prune-git - local git maintenance script

prune-git.sh

#!/bin/bash

set +e

bold="\e[1m"
dim="\e[2m"
underline="\e[4m"
blink="\e[5m"
reset="\e[0m"
red="\e[31m"
green="\e[32m"
blue="\e[34m"

h1() {
  printf "\n${bold}${underline}%s${reset}" "$(echo "$@" | sed '/./,$!d')"
}

h2() {
  printf "\n${bold}%s${reset}" "$(echo "$@" | sed '/./,$!d')"
}

info() {
  printf "${dim}→ %s${reset}\n" "$(echo "$@" | sed '/./,$!d')"
}

note() {
  printf "\n${bold}${blue}Note: %s${reset}\n" "$(echo "$@" | sed '/./,$!d')"
}

success() {
  printf "${green}✔ %s${reset}\n" "$(echo "$@" | sed '/./,$!d')"
}

warnError() {
  printf "${red}✖ %s${reset}\n" "$(echo "$@" | sed '/./,$!d')"
}

error() {
  printf "${red}${bold}✖ %s${reset}\n" "$(echo "$@" | sed '/./,$!d')"
}

runCommand() {
  command="$1"
  info "$1"
  output="$(eval $command 2>&1)"
  ret_code=$?

  if [ $ret_code != 0 ]; then
    warnError "$output"
    if [ ! -z "$2" ]; then
      error "$2"
    fi
    exit $ret_code
  fi
  if [ ! -z "$3" ]; then
    success "$3"
  fi
  if [ ! -z "$4" ]; then
    eval "$4='$output'"
  fi
}

runCommand "git gc"
runCommand "git prune"
runCommand "git fetch --prune"

if [ "$(git branch -vv | grep ': gone]' | awk '{print $1}' | wc -l | tr -d ' ')" != "0" ]; then
  note "Pruning $(git branch -vv | grep ': gone]' | awk '{print $1}' | wc -l | tr -d ' ') branches that no longer exist on origin"
  for branch in $(git branch -vv | grep ': gone]' | awk '{print $1}'); do
    runCommand "git branch -D $branch";
  done
else
  note "No branches found to prune"
fi

runCommand "git fetch --tags"