#!/bin/bash
# Update a branch in my GIT tree.  If the branch to be updated
# is "linus", then pull from kernel.org.  Otherwise merge local
# linus branch into test|release branch

case "$1" in
test|release)
        git checkout $1 && git merge "Auto-update from upstream" $1 linus
        ;;
linus)
        before=$(cat .git/refs/heads/linus)
        git fetch linus
        after=$(cat .git/refs/heads/linus)
        if [ $before != $after ]
        then
                git-whatchanged $after ^$before | git-shortlog
        fi
        ;;
*)
        echo "Usage: $0 linus|test|release" 1>&2
        exit 1
        ;;
esac