#!/usr/bin/sh -e

case ${1} in
  -h | --help)
    echo "Usage: git-mirror [path to repos] [path to log file] [html directory]"
    echo "relative paths are not supported."
    exit 1
    ;;
esac

[ -z ${3} ] && echo "not enough arguments" && exit 1
[ -z $(which stagit) ] && echo "please install stagit" && exit 1

cd ${1}

[ -d ${3} ] || mkdir ${3}
stagit-index ./* > ${3}/index.html
cp /usr/share/doc/stagit/style.css ${3}

while :; do
  find ${1} -maxdepth 2 -name '*.git' | \
    while read dir; do
      newdir=${3}/$(basename ${dir} .git)
      [ -d ${newdir} ] || mkdir ${newdir}
      cd ${newdir}
      stagit ${dir}
      cp /usr/share/doc/stagit/style.css .
      git fetch --tags
      echo $(date -Iseconds) ' | ' ${dir} | tee -a ${2}
      echo $(tail -n 1500 ${2}) > ${2}
    done
  sleep 600
done