#!/bin/sh
set -e

##
# variables
localbase=${LOCALBASE:-/usr/local}
git="${localbase}"/bin/git
gitdir=$1
commit=$2
mode=u=rwX,g=rX,o=

##
# functions
gitexec()
{
    doas -n -u _srczap \
         /bin/sh -c "umask ${mode}; ${git} ${1}"
}

##
# main
cd "${gitdir}"
add=$(gitexec "diff --name-only --diff-filter=A ${commit} HEAD")
mod=$(gitexec "diff --name-only --diff-filter=M ${commit} HEAD")
echo "${add}"
echo "${mod}"