#!/bin/sh

set -e
set -u

escape() {
    echo "$1" | sed -e 's/@/@@/g'
}

build_id=$(escape "$1")
pocket=$(escape "$2")
package=$(escape "$3")
commit=$(escape "$4")
principal=$(escape "$5")
version=$(escape "$6")
inserted_at=$(escape "$7")

base=build.hooks.pre_build.zephyr
class=$(invirt-getconf "$base.class" 2>/dev/null || :)
instance=$(invirt-getconf "$base.instance" 2>/dev/null || :)
zsig=$(invirt-getconf "$base.zsig" 2>/dev/null || :)

if [ -z "$class" ]; then
  echo "I don't know where to send a commit zephyr!" >&2
  echo "Please provide a value for $base.class in" >&2
  echo "your invirt config file." >&2
  exit 1
fi

(echo "About to begin an Invirtibuild of $package v$version in $pocket."
 echo "from commit $commit.";
 echo
 echo "(Build $build_id was submitted by $principal at $inserted_at.)") | zwrite -c "$class" -i "${instance:-build_$build_id}" -s "${zsig:-pre-build}: $pocket" -d