#!/bin/bash

NEW=()
FIXES=()
MISC=()

echo "@ Fetching remote tags ..."
git fetch --tags >/dev/null
printf "\n\n"

CURTAG=$(git describe --tags --abbrev=0)
OUTPUT=$(git log $CURTAG..HEAD --oneline)
IFS=$'\n' LINES=($OUTPUT)

for LINE in "${LINES[@]}"; do
  LINE=$(echo "$LINE" | sed -E "s/^[[:xdigit:]]+\s+//")
  if [[ $LINE == *"new:"* ]]; then
    LINE=$(echo "$LINE" | sed -E "s/^new: //")
    NEW+=("$LINE")
  elif [[ $LINE == *"fix:"* ]]; then
    LINE=$(echo "$LINE" | sed -E "s/^fix: //")
    FIXES+=("$LINE")
  elif [[ $LINE != *"i did not bother commenting"* ]] && [[ $LINE != *"Merge "* ]]; then
    echo "     MISC LINE =$LINE"
    LINE=$(echo "$LINE" | sed -E "s/^[a-z]+: //")
    MISC+=("$LINE")
  fi
done

if [ -n "$NEW" ]; then
  echo
  echo "**New Features**"
  echo
  for l in "${NEW[@]}"; do
    echo "* $l"
  done
fi

if [ -n "$FIXES" ]; then
  echo
  echo "**Fixes**"
  echo
  for l in "${FIXES[@]}"; do
    echo "* $l"
  done
fi

if [ -n "$MISC" ]; then
  echo
  echo "**Misc**"
  echo
  for l in "${MISC[@]}"; do
    echo "* $l"
  done
fi

echo
