bump_version.sh

#!/usr/bin/env bash

# Usage: ./bump_version.sh <major|minor|patch> - Increments the relevant version part by one.
#
# Usage 2: ./bump_version.sh <version-from> <version-to>
# 	e.g: ./bump_version.sh 1.1.1 2.0

set -e

dir=$(dirname $(readlink -f $0))

. "$dir/bump_files.sh"

function bump() {
  echo -n "Updating $1..."
  tmp_file=$(mktemp)
  rm -f "$tmp_file"
  sed -i "s/$2/$3/1w $tmp_file" $1
  if [ -s "$tmp_file" ]; then
    echo "Done"
  else
    echo "Nothing to change"
  fi
  rm -f "$tmp_file"
}

function confirm() {
  read -r -p "$@ [Y/n]: " confirm

  case "$confirm" in
  [Nn][Oo] | [Nn])
    echo "Aborting."
    exit
    ;;
  esac
}

if [ "$1" == "" ]; then
  echo >&2 "No 'from' version set. Aborting."
  exit 1
fi

if [ "$1" == "major" ] || [ "$1" == "minor" ] || [ "$1" == "patch" ]; then
  current_version=$(awk -F\" '/"version":/ {print $4}' package.json)

  IFS='.' read -a version_parts <<<"$current_version"

  major=${version_parts[0]}
  minor=${version_parts[1]}
  patch=${version_parts[2]}

  case "$1" in
  "major")
    major=$((major + 1))
    minor=0
    patch=0
    ;;
  "minor")
    minor=$((minor + 1))
    patch=0
    ;;
  "patch")
    patch=$((patch + 1))
    ;;
  esac
  new_version="$major.$minor.$patch"
else
  if [ "$2" == "" ]; then
    echo >&2 "No 'to' version set. Aborting."
    exit 1
  fi
  current_version="$1"
  new_version="$2"
fi

if ! [[ "$new_version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
  echo >&2 "'to' version doesn't look like a valid semver version tag (e.g: 1.2.3). Aborting."
  exit 1
fi

confirm "Bump version number from $current_version to $new_version?"

for file in $dir/hooks/prebump/*.hook; do
  [ -f "$file" ] || break
  . "$file"
done

bump_files "$current_version" "$new_version"

for file in $dir/hooks/postbump/*.hook; do
  [ -f "$file" ] || break
  . "$file"
done