bumpversion

#!/bin/sh
# Bump the package version and release it

set -e

# Set defaults and parse arguments

PART=patch
DRY_RUN=
NO_DIRTY_CHECK=

while test $# -gt 0
do
    case "$1" in
        patch)
            PART=patch
            shift
            ;;

        minor)
            PART=minor
            shift
            ;;

        major)
            PART=major
            shift
            ;;

        --dry-run)
            DRY_RUN=true
            shift
            ;;

        --no-dirty-check)
            NO_DIRTY_CHECK=true
            shift
            ;;

        *)
            echo "Usage: $0 [major|minor|patch] [--dry-run] [--no-dirty-check]" >&2
            exit 1
            ;;
    esac
done

sedi() {
    if [ "$(uname)" = "Linux" ]
    then
        sed -i "$@"
    else
        sed -i '' "$@"
    fi
}

# check if git is dirty
if [ -z $NO_DIRTY_CHECK ]
then
    if !(git diff-index --quiet HEAD --)
    then
        echo "Index is dirty, commit the changes first." >&2
        exit 1
    fi
    if [ "$(git symbolic-ref --short HEAD)" != "master" ]
    then
        echo "Versions should only be tagged from master." >&2
        exit 1
    fi
fi

# find current version
OLD_VERSION=$(cat package.yaml | grep -E '^version' | sed -E 's/.+"(.+)"/\1/')

# find new version
case "$PART" in
    patch)
        NEW_VERSION=$(echo $OLD_VERSION | awk -F . '{print $1 "." $2 "." ($3 + 1)}')
        ;;

    minor)
        NEW_VERSION=$(echo $OLD_VERSION | awk -F . '{print $1 "." ($2 + 1) "." 0}')
        ;;

    major)
        NEW_VERSION=$(echo $OLD_VERSION | awk -F . '{print ($1 + 1) "." 0 "." 0}')
        ;;

    *)
        echo "Invalid PART value." >&2
        exit 1
        ;;
esac

# update changelog
sedi -E '/^## Unreleased changes/{G;a\
## '$NEW_VERSION'
}' ChangeLog.md

# bump version
sedi -E 's/(version: +)"'$OLD_VERSION'"/\1"'$NEW_VERSION'"/g' package.yaml
sedi -E 's/^  "version": "'$OLD_VERSION'"/  "version": "'$NEW_VERSION'"/g' package.json
sedi -E 's/^  "version": "'$OLD_VERSION'"/  "version": "'$NEW_VERSION'"/g' package-lock.json
sedi -E 's/^    "serverless-haskell": "\^'$OLD_VERSION'"/    "serverless-haskell": "^'$NEW_VERSION'"/g' serverless-haskell.hsfiles
sedi -E 's/^- serverless-haskell-'$OLD_VERSION'/- serverless-haskell-'$NEW_VERSION'/g' serverless-haskell.hsfiles


if [ -z $DRY_RUN ]
then
    # commit and tag
    MESSAGE="Bump version: $OLD_VERSION → $NEW_VERSION"
    git commit -a -m "$MESSAGE"
    git tag -a -m "$MESSAGE" v$NEW_VERSION

    # push the tag then branch
    git push --tags
    git push
fi