#!/bin/bash

IRKERPATH=/usr/bin/

function help_irker() {
  echo "Required config settings:"
  echo "  git config irker.channels 'channel1 channel2 ..'"
  echo "  git config irker.project 'Project name'"
  echo "  git config irker.server 'server'"
  echo "  git config irker.server 'server'"
}


function notify_irker() {
   old=$1
   new=$2
   refname=$3

   if [ "x$old" = "x0000000000000000000000000000000000000000" ]; then
      # We're pushing into an empty repo, so we need a different command
      # to get the rev list
      # This does the wrong thing if the parent of the branch isn't master
      # but it is kind of correct most of the time
      ${IRKERPATH}/irkerhook --refname=${refname} \
           $(git rev-list $new --not master)
   elif [ "x$new" = "x0000000000000000000000000000000000000000" ]; then
      # We're deleting a branch - we need to do the right thing
      # (whatever that is)
      # This is not the right thing, but will do for now
      repo=$(basename $PWD | sed 's/.git$//' )
      for channel in $(git config --get irker.channels | sed "s/,/ /"); do
         ${IRKERPATH}/irk $channel "$repo: Deleted branch $refname"
      done
   else
      ${IRKERPATH}/irkerhook --refname=${refname} \
           $(git rev-list --reverse ${old}..${new})
   fi
}