#!/bin/bash
#
# TODO: Make this work with data only.
# TODO: Restrict permissions to git from the home user.
# TODO: Work both remotely and locally.
# TODO: Ability to add / remove repositories
# TODO: Support key verification.
# TODO: Support keyrings for different projects.

mirror_files() {
  TARGET=/mnt/hd/mirror

  RSYNC_OPTS="\
    --delete-excluded \
    --hard-links \
    --links \
    --perms \
    --recursive \
    --safe-links \
    --sparse \
    --times \
  "
  
  # Slackware
  rsync $RSYNC_OPTS rsync://mirrors.kernel.org/slackware/slackware-15.0 "$TARGET/slackware/."
  rsync $RSYNC_OPTS rsync://mirrors.kernel.org/slackware/slackware-15.0-iso "$TARGET/slackware/."
  rsync $RSYNC_OPTS rsync://mirrors.kernel.org/slackware/slackware-current "$TARGET/slackware/."
  rsync $RSYNC_OPTS rsync://mirrors.kernel.org/slackware/slackware64-15.0 "$TARGET/slackware/."
  rsync $RSYNC_OPTS rsync://mirrors.kernel.org/slackware/slackware64-15.0-iso "$TARGET/slackware/."
  rsync $RSYNC_OPTS rsync://mirrors.kernel.org/slackware/slackware64-current "$TARGET/slackware/."
  
  # Taler
  rsync $RSYNC_OPTS rsync://mirror.cedia.org.ec/gnu/gnunet "$TARGET/."
  rsync $RSYNC_OPTS rsync://mirror.cedia.org.ec/gnu/taler "$TARGET/."
}

mirror_git() {
  TARGET=/srv/git/slackcoder

  for fp in $(find $TARGET -name 'description' | xargs grep -l 'Mirror of' | xargs -n1 dirname); do
    (cd $fp && \
      echo $fp && \
      git fetch origin "$(git branch --show-current)"
    )
  done
}

case "$1" in
'files')
   mirror_files
  ;;
'git')
   mirror_git
  ;;
*)
  echo "usage $0 files|git"
esac