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)
#

[[ $# < 2 && $1 != "-h" && $1 != "--help" ]] || { echo "Usage: `basename $0` [1|2]" 1>&2 ; exit 1; }

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

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