Git: List recently changed branches

git-recent-branches.sh

#!/bin/sh

OPTS_SPEC="\
git recent-branches [options]
--
days=     Days to back (defaults 7)
date=     Date format {relative,local,iso,rfc,short,raw,default}
no-merged Show only branches not merged into HEAD
"

eval "$(echo "$OPTS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)"

OPTIONS=''

while [ -n "$1" ]; do
    case $1 in
        "--days")
            shift
            DAYS="$1"
        ;;
        "--date")
            shift
            DATE="$1"
        ;;
        "--no-merged")
            OPTIONS="$OPTIONS --not HEAD"
    esac

    shift
done

git log --date=${DATE-default} --remotes --simplify-by-decoration --no-merges \
    --pretty='format:%C(blue)%ad%Creset %C(yellow)%H%Creset - %s %C(bold)[%an]%Creset' \
    --since="{${DAYS-7} days ago}" \
    $OPTIONS \
    | git name-rev --stdin --name-only
echo