#!/bin/bash

function repos_update_clean()
{
    # Make sure directory exists
    if [ ! -d "${1}" ]; then
        return
    fi

    # Update only git repos
    if [ ! -d "${1}/.git" ]; then
        return
    fi

    echo "Updating repos: ${1}"
    pushd "${1}" 1> /dev/null
    git remote update
    git gc --aggressive

    # Iterate over all remotes and clean (prune)
    for r in $(git remote); do
        echo "  Cleaning remote: ${r}"
        git remote prune ${r}
    done

    popd 1> /dev/null
}

export -f repos_update_clean

find . -maxdepth 1 -type d -exec bash -c 'repos_update_clean "$0"' {} \;