#!/bin/bash

# Define release types
subminor_regexp="^#[0-9]* ((fix))(\(.+\))?: .+$";
minor_regexp="^#[0-9]* ((feat)|(docs)|(style)|(refactor)|(test)|(chore))(\(.+\))?: .+$";
major_regexp="^#[0-9]* ((BREAKING CHANGE))(\(.+\))?: .+$";

# Determine release type depending on commit message (using Angular's syntax for release)
# Patch (Subminor) release
commit_msg=$(cat .git/COMMIT_EDITMSG);
if [[ $commit_msg =~ $subminor_regexp ]] ; then
  echo 0;
# Feature (Minor) release
elif [[ $commit_msg =~ $minor_regexp ]] ; then
  echo 1;
# Breaking (Major) release
elif [[ $commit_msg =~ $major_regexp ]] ; then
  echo 2;
else
  exit -1;
fi