Git Show Branches

git-show-branches

#!/bin/bash

if [[ "$#" -ne 1 ]]; then
	echo "usage: git show-merged <remote>"
	echo
	exit 1
fi

remote="$1"

if ! git ls-remote --exit-code "$remote" &> /dev/null; then
	echo "The remote, $remote, does not exist"
	echo
	exit 1
fi

tab=$'\t'

# color codes added to headers to ensure alignment
output=$(git log -n1 --pretty="Branch ${tab} Hash%Cgreen%Creset ${tab} Age ${tab} Author%Cblue%Creset ${tab} B%Cred%Creset ${tab} A%Cgreen%Creset ${tab} Upstream" master)$'\n'
#output="Branch ${tab} Hash${gitGreen}${gitReset} ${tab} Age ${tab} Author${gitBlue}${gitReset} ${tab} B${gitRed}${gitReset} ${tab} A${gitGreen}${gitReset} ${tab} Upstream"$'\n'
while read branch; do
	upstream=$(git rev-parse --abbrev-ref "$branch@{upstream}" 2>/dev/null)
	stats=$(git rev-list --left-right --count "$remote/master...$branch")
	behind=$(echo "$stats" | cut -f1)
	ahead=$(echo "$stats" | cut -f2)
	output+=$(git log -n1 --pretty="${branch} ${tab} %Cgreen%h%Creset ${tab} %ar ${tab} (%Cblue%aN%Creset) ${tab} %Cred${behind}%Creset ${tab} %Cgreen${ahead}%Creset ${tab} ${upstream}" $branch)$'\n'
done < <(git for-each-ref --format='%(refname:short)' refs/heads/*)

echo "$output" | column -xts "$tab"