release script cc @pengwynn

Jerry Cheung · Jerry Cheung · commit 79176f6ee791 · 2014-02-14T09:47:18.000-08:00
diff --git a/README.md b/README.md
@@ -287,16 +287,7 @@ This section is for gem maintainers to cut a new version of the gem.
 
 * update lib/html/pipeline/version.rb to next version number X.X.X following [semver](http://semver.org).
 * update CHANGELOG.md. Get latest changes with `git log --oneline vLAST_RELEASE..HEAD | grep Merge`
-* on the master branch, run:
-
-```sh
-$ git commit -m "bump vX.X.X"
-$ git tag vX.X.X
-$ git push origin master
-$ git push --tags
-$ gem build html-pipeline.gemspec
-$ gem push html-pipeline-X.X.X.gem
-```
+* on the master branch, run `script/release`
 
 ## Contributing
 
diff --git a/script/package b/script/package
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+# Usage: script/gem
+# Updates the gemspec and builds a new gem in the pkg directory.
+
+mkdir -p pkg
+gem build *.gemspec
+mv *.gem pkg
diff --git a/script/release b/script/release
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# Usage: script/release
+# Build the package, tag a commit, push it to origin, and then release the
+# package publicly.
+
+set -e
+
+version="$(script/package | grep Version: | awk '{print $2}')"
+[ -n "$version" ] || exit 1
+
+echo $version
+git commit --allow-empty -a -m "Release $version"
+git tag "v$version"
+git push origin
+git push origin "v$version"
+gem push pkg/*-${version}.gem
