marlin/buildroot/share/git/mfrb

#!/usr/bin/env bash
#
# mfrb
#
# Do "git rebase -i" against the "target" branch (bugfix-1.1.x, bugfix-2.0.x, or master)
#

MFINFO=$(mfinfo "$@") || exit 1
IFS=' ' read -a INFO <<< "$MFINFO"
TARG=${INFO[3]}
CURR=${INFO[5]}

IND=6
while [ $IND -lt ${#INFO[@]} ]; do
  ARG=${INFO[$IND]}
  case "$ARG" in
    -q|--quick ) QUICK=1 ;;
     -h|--help ) USAGE=1 ;;
             * ) USAGE=1 ; echo "unknown option: $ARG" ;;
  esac
  let IND+=1
done

[[ $USAGE ]] && { echo "usage: `basename $0` [1|2]" 1>&2 ; exit 1 ; }

# If the branch isn't currently the PR target
if [[ $TARG != $CURR ]]; then
  [[ $QUICK ]] || git fetch upstream
  git rebase upstream/$TARG && git rebase -i upstream/$TARG
fi