git-vaccum

#!/usr/bin/env bash

# option
VACCUM_BRANCH=$1
PATTERN=$2

get_short_ref() {
    local ref=$1

    ref=${ref#refs/heads/}    #for local refs
    ref=${ref#refs/remotes/}    #for remote refs
    ref=${ref#refs/tags/}    #for tags

    echo $ref
}

main() {

    ### check
    if [[ "$VACCUM_BRANCH" = "" || "$PATTERN" = "" ]]; then
        echo "usage: git vaccum [base branch] [pattern]"
        echo "    You have to test 'git br -a | grep [pattern]'!!"
        exit 1;
    fi

    git show-branch $VACCUM_BRANCH
    if [ "$?" = "128" ]; then
        echo "$VACCUM_BRANCH does not exist"
        exit 128;
    fi

    if [[ -n $(git status -s 2> /dev/null |grep -v ^# |grep -v "working directory clean") ]]; then
        echo "Checkouted branch is dirty!"
        exit 1;
    fi

    ### init
    local refs=`git show-ref| grep $PATTERN | awk '{print $2}'`

    #local checkouted_ref=`git symbolic-ref HEAD`

    git co -b "$VACCUM_BRANCH-vaccum" $VACCUM_BRANCH

    ### main
    for full_ref in $refs; do
        ref=$(get_short_ref $full_ref)

        git merge $ref
    done
}

main "$@"