marlin/buildroot/share/git/mfinfo

#!/usr/bin/env bash
#
# mfinfo
#
# Get the following helpful git info about the working directory:
#
#   - Remote (upstream) Org name (MarlinFirmware)
#   - Remote (origin) Org name (your Github username)
#   - Repo Name (Marlin or MarlinDev)
#   - Marlin Target branch (RCBugFix or dev)
#   - Branch Name (the current branch or the one that was passed)
#

REPO=$(git remote get-url upstream 2>/dev/null | sed -E 's/.*\/(.*)\.git/\1/')

if [[ -z $REPO ]]; then
  echo "`basename $0`: No 'upstream' remote found." 1>&2 ; exit 1
fi

ORG=$(git remote get-url upstream 2>/dev/null | sed -E 's/.*[\/:](.*)\/.*$/\1/')

if [[ $ORG != MarlinFirmware ]]; then
  echo "`basename $0`: Not a Marlin repository."
  exit 1
fi

case "$REPO" in
  Marlin              ) TARG=RCBugFix ;;
  MarlinDev           ) TARG=dev ;;
  MarlinDocumentation ) TARG=master ;;
esac

FORK=$(git remote get-url origin 2>/dev/null | sed -E 's/.*[\/:](.*)\/.*$/\1/')

case "$#" in
  0 ) BRANCH=$(git branch 2>/dev/null | grep ^* | sed 's/\* //g') ;;
  1 ) BRANCH=$1 ;;
  * ) echo "Usage: `basename $0` [branch]" 1>&2 ; exit 1 ;;
esac

if [[ $BRANCH == "(no" ]]; then
  echo "Git is busy with merge, rebase, etc." 1>&2 ; exit 1
fi

echo "$ORG $FORK $REPO $TARG $BRANCH"