git-rewind

#!/bin/bash
set -e # kill script ASAP if any command returns non-true
INITIALS=mf
if [[ ! -d .git ]]; then
    echo 'OI! Run from a place that has a .git directory on it!'
    exit 1
fi

trap 'echo AIEE; exit 1' EXIT

# A development branch "child" contains the parent branch name, separated
# by double dashes
REGEX_DEVELOPMENT_BRANCH='^(.*)--(.*)$'

git stash

### Just "git fa && git prom" instead.
git fetch --verbose origin
git checkout master
git pull --rebase origin master

# TLC for the "mf/work" branch
echo "Rebasing special $INITIALS/work branch from master"
git checkout $INITIALS/work
git rebase master $*

git checkout master

for mybra in $(git branch | grep -e " $INITIALS/" | grep -v '^$'); do
    echo
    if [[ $mybra =~ $REGEX_DEVELOPMENT_BRANCH ]]; then
        PARENTDEV=${BASH_REMATCH[1]}
        echo "Rebasing $mybra to PARENT '$PARENTDEV'"
        git checkout $mybra
        git rebase $PARENTDEV $*
        if [[ -z $1 ]]; then # not when interactively
            git push origin +$mybra
        fi
    else
        if [[ $mybra =~ 'dev-' ]]; then
            echo "Rebasing $mybra to WORK"
            git checkout $mybra
            git rebase $INITIALS/work $*
        else
            echo "Rebasing $mybra to MASTER"
            git checkout $mybra
            git rebase master $*
            if [[ -z $1 ]]; then # not when interactively
                git push origin +$mybra
            fi
        fi
    fi
done
echo

trap - EXIT

exit 0