#!/bin/sh

set -eu

SOURCE_DIR=$1
MAJOR=$2
MINOR=$3
PATCH=$4

VER="$MAJOR.$MINOR.$PATCH"

update() {
  file="$SOURCE_DIR/$1"
  expr="$2"

  sed -e "$expr" "$file" > "$file.updated-version"
  if diff "$file" "$file.updated-version"; then
    rm "$file.updated-version"
  else
    mv "$file.updated-version" "$file"
  fi
}

update "configure.ac" 's/AC_INIT(\[tox\], \[.*\])/AC_INIT([tox], ['$VER'])/'

update "other/apidsl/tox.in.h" 's/\(const VERSION_MAJOR *= \).*;/\1'$MAJOR';/'
update "other/apidsl/tox.in.h" 's/\(const VERSION_MINOR *= \).*;/\1'$MINOR';/'
update "other/apidsl/tox.in.h" 's/\(const VERSION_PATCH *= \).*;/\1'$PATCH';/'