Add release script

README.md

@@ -52,12 +52,12 @@ $ go test ./...
 
 ## Release
 
-In order to release a new version, set up github export GITHUB_TOKEN=[YOUR_TOKEN] and do the following steps:
+In order to release a new version, set up github export GITHUB_TOKEN=[YOUR_TOKEN]
+
+Ensure your git repo is clean. Then update VERSION (no need to commit it, it will be committed automatically), and run:
 
 ```
-$ git tag -a vX.X.X -m "[Comment]"
-$ git push origin vX.X.X
-$ goreleaser
+$ ./release.sh
 ```
 
 ## Usage

release.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -e
+set -x
+
+die() { echo "$*" 1>&2 ; exit 1; }
+
+VERSION=`cat VERSION | tr -d '\n'`
+git diff-index --quiet --cached HEAD -- || die "Index dirty, commit first"
+go generate
+git add VERSION
+git add cli/version.go
+git commit -m "Version $VERSION"
+git tag -a v$VERSION -m "Version $VERSION"
+git push origin v$VERSION
+goreleaser