#!/usr/bin/env bash
#
# mffp [1|2] [ref]
#
# Push the given commit (or HEAD) upstream immediately.
# By default: `git push upstream HEAD:bugfix-2.1.x`
#

usage() { echo "usage: `basename $0` [1|2] [ref]" 1>&2 ; }

[[ $# < 3 && $1 != "-h" && $1 != "--help" ]] || { usage ; exit 1; }

if [[ $1 == '1' || $1 == '2' ]]; then
  MFINFO=$(mfinfo "$1") || exit 1
  REF=${2:-HEAD}
elif [[ $# == 1 ]]; then
  MFINFO=$(mfinfo) || exit 1
  REF=${1:-HEAD}
else
  usage ; exit 1
fi

IFS=' ' read -a INFO <<< "$MFINFO"
ORG=${INFO[0]}
TARG=${INFO[3]}

if [[ $ORG == "MarlinFirmware" ]]; then
  git push upstream $REF:$TARG
else
  echo "Not a MarlinFirmware working copy."; exit 1
fi