#!/usr/bin/env bash

current_dir="$(cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)"

function currently() {
    date +"%Y-%m-%d-%H%M%S-%Z%z"
}

function nontty() {
    tr -d '[:space:]'
}

function  nowz() {
    if [ -t 1 ]; then
        currently
    else
        currently | nontty
    fi
}

function sanitized(){
    gsed 's/[^a-zA-Z0-9_-]/-/g' | tr '[:upper:]' '[:lower:]'
}

function derive-or-guess__remote_name_from_possibly_opaque_data() {
    gsed 's/[^a-zA-Z0-9._]/ /g' | gawk '{ print $NF }'
}
function err() {
    1>&2 echo -e "\e[1;38;5;196mERROR: \e[1;38;5;220m${@}\e[0m"
    exit 27
}

ipt=$(echo -n "${@}" | sanitized)
here="$(pwd)"
fallback=$(pwd | gsed "s,/Users/${USER}/,,g" | sanitized)
if [ -z "$ipt" ]; then
    ipt="${fallback}"
fi

name=$(echo -n "${ipt}" | sanitized)

if [ -z "${name}" ]; then
    err "please provide a name for the local git-remote"
fi

GITROOT="${here}/.git"
if [ ! -e "${GITROOT}" ]; then
    err "this command MUST only be executed at the root-level of a non-bare git-repo"
fi

set -ex

target_folder="${HOME}/projects/.gitrepos/takeout"

if [ ! -e "${target_folder}" ]; then
    mkdir -p "${target_folder}"
fi

target_name="${target_folder}/${name}-$(nowz | sanitized)"

zip -rq "${target_name}.zip" .git
signfile "${target_name}.zip"

tar cJf "${target_name}.tar.xz" .git
signfile "${target_name}.tar.xz"

tar cjf "${target_name}.tar.bz2" .git
signfile "${target_name}.tar.bz2"

tar czf "${target_name}.tar.gz" .git
signfile "${target_name}.tar.gz"

rm -rf .git