トピックブランチのmasterからの遅れを調べる

topic-behind-checker.bash

#!/bin/bash

REMOTE_NAME='origin'

git fetch --prune ${REMOTE_NAME}

msg=''
for remote_branch in `git branch -r | grep -v '\->'| grep ${REMOTE_NAME}/`
do
    ahead=0
    behind=0
    for rev in `git rev-list --left-right ${remote_branch}...${REMOTE_NAME}/master`
    do
        if test $(echo $rev | grep -e '^<') ; then
            ahead=`expr $ahead + 1`
        else
            behind=`expr $behind + 1`
        fi
    done
    #本当は下記のようにしたいのだが、grep -cが何故か1しか返さず上記ループで妥協
    #rev_list=`git rev-list --left-right ${remote_branch}...${REMOTE_NAME}/master`
    #ahead=`echo ${rev_list} | grep -c '<'`
    #behind=`echo ${rev_list} | grep -c '>'`
     if test $ahead -gt 0 ; then
        echo "${remote_branch} is ${behind} commit(s) behind ${REMOTE_NAME}/master"
    fi
done