#!/bin/sh -e

#
# This script creates/updates OpenWRT git mirror. Maintains two repositories:
#  - git-svn managed one
#  - "clean" with selected branches and tags
#

REPO_LOCATION=${REPO_LOCATION:-$HOME/openwrt}
CLEAN_REPO_LOCATION=${CLEAN_REPO_LOCATION:-$HOME/openwrt.clean}

[ -d $REPO_LOCATION ] || (
  mkdir -p $REPO_LOCATION
  cd $REPO_LOCATION
  git init --bare
  git svn init -s svn://svn.openwrt.org/openwrt/
  git svn fetch
)

[ -d $CLEAN_REPO_LOCATION ] || (
  mkdir -p $CLEAN_REPO_LOCATION
  cd $CLEAN_REPO_LOCATION
  git init --bare
)

cd $REPO_LOCATION

git svn fetch

#
# Add more branches if needed
#
REFS="${REFS} remotes/trunk:refs/heads/trunk"
REFS="${REFS} remotes/backfire:refs/heads/backfire"

for ref in $(git for-each-ref --format '%(refname)' refs/remotes/tags/); do
  case "$ref" in
    #
    # Add more excludes if needed
    #
    *BUILDROOT*|*HEAD*|*TESTED*|*kamikaze_pre1*)
      # Old tags removed from Subversion
      ;;
    *@*)
      # Conversion artifacts
      ;;
    *)
      REFS="${REFS} $ref:refs/tags/${ref#refs/remotes/tags/}"
      ;;
  esac
done

git push -q $CLEAN_REPO_LOCATION $REFS