From cb27701bedf503aaaafea422dbaa9435e4d8789e Mon Sep 17 00:00:00 2001
From: Ben Balter <ben.balter@github.com>
Date: Wed, 14 Dec 2016 13:04:15 -0500
Subject: [PATCH] Add release script

---
 script/release | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 script/release

diff --git a/script/release b/script/release
new file mode 100755
index 0000000..fcfc7e8
--- /dev/null
+++ b/script/release
@@ -0,0 +1,42 @@
+#!/bin/sh
+# Tag and push a release.
+
+set -e
+
+# Make sure we're in the project root.
+
+cd $(dirname "$0")/..
+
+# Make sure the darn thing works
+
+bundle update
+
+# Build a new gem archive.
+
+rm -rf jekyll-theme-merlot-*.gem
+gem build -q jekyll-theme-merlot.gemspec
+
+# Make sure we're on the master branch.
+
+(git branch | grep -q 'master') || {
+  echo "Only release from the master branch."
+  exit 1
+}
+
+# Figure out what version we're releasing.
+
+tag=v`ls jekyll-theme-merlot-*.gem | sed 's/^jekyll-theme-merlot-\(.*\)\.gem$/\1/'`
+
+# Make sure we haven't released this version before.
+
+git fetch -t origin
+
+(git tag -l | grep -q "$tag") && {
+  echo "Whoops, there's already a '${tag}' tag."
+  exit 1
+}
+
+# Tag it and bag it.
+
+gem push jekyll-theme-merlot-*.gem && git tag "$tag" &&
+  git push origin master && git push origin "$tag"