#!/usr/bin/env sh
while read oldrev newrev refname
    do
        echo ---------
        echo $oldrev
        echo $newrev
        echo $refname

        echo --------
        oldrev_date=$(git log -1 "$oldrev" --pretty="format:%ai")
        echo "$oldrev_date"

        newcommits=$(git log --since="$oldrev_date" --pretty=format:'{"sha": "%H", "author": "%ae", "message": "%s", "time": "%ai"}' --no-merges)
        echo "$newcommits"
        git log --since="$oldrev_date" --pretty=format:'{"sha": "%H", "author": "%ae", "message": "%s", "time": "%ai"}' --no-merges > out.txt
    done
exit 0