Tag Deploy

tag_deploy

#! /bin/bash

dry_run=false
while [[ $# > 0 ]]; do
    case "$1" in
        -b|--build)
            build="$2"
            shift
            ;;
        -v|--version)
            version="$2"
            shift
            ;;
        -d|--dry)
            dry_run=true
            shift
            ;;
        *)
            ;;
    esac
    shift
done

# automatically increments build number if not provided
last_tag="$(git tag --list | sort | tail -n1)"
if [[ -n "$last_tag" && -z "$build" && -z "$version" ]]; then
    today=$(date +'%Y.%m.%d')
    if [[ $(echo $last_tag | cut -d. -f 1,2,3) = "v$today" ]]; then
        build_number="$(echo $last_tag | cut -f 4 -d\.)"
        build_number="$(( $build_number + 1 ))"
        build="$build_number"
    fi
fi

if [ -z "$version" ]; then
    date=$(date +'%Y.%m.%d')
    if [ -z "$build" ]; then
        build=0
    fi
    version="$date.$build"
    tag=v$version
else
    tag=$version
fi

if $dry_run; then
  echo "$tag"
else
  git tag -a $tag -m "Version $version"
  git push origin $tag
fi