#!/usr/bin/env sh

# make sure we never run 2 rsync at the same time
lockfile="/tmp/alpine-mirror.lock"
if [ -z "$flock" ] ; then
  exec env flock=1 flock -n $lockfile "$0" "$@"
fi

# default config
src=rsync://rsync.alpinelinux.org/alpine/ 
dest=/var/lib/mirror/
versions="edge"
arches="x86_64"
extra_options=""

. /etc/alpine-mirror.conf

mirror() {
  mkdir -p "$dest$1"
  echo "running rsync $1"
  /usr/bin/rsync \
      --archive \
      --update \
      --hard-links \
      --delete \
      --delete-after \
      --delay-updates \
      --timeout=600 \
      $extra_options \
      "$src$1" "$dest$1"
  exitcode=$?
  [ $exitcode == 0 ] || echo "rsync $1 failed with exit code: $exitcode"
}

for version in $versions; do
  for arch in $arches; do
    mirror "$version/main/$arch/"
    mirror "$version/community/$arch/"
    [ "$version" = edge ] && mirror "$version/testing/$arch/"
  done
done