From 981c704e0a9e5cdbb9ad592682779889c67e222d Mon Sep 17 00:00:00 2001
From: Steve Mao <maochenyan@gmail.com>
Date: Fri, 17 Jul 2015 22:12:32 +1000
Subject: [PATCH] feat(prerelease): auto detect based on semver

---
 index.js     | 6 +++++-
 package.json | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 6a52c0f3..016ced69 100644
--- a/index.js
+++ b/index.js
@@ -4,6 +4,7 @@ var dateFormat = require('dateformat');
 var Github = require('github');
 var merge = require('lodash.merge');
 var Q = require('q');
+var semver = require('semver');
 var through = require('through2');
 
 var github = new Github({
@@ -83,12 +84,15 @@ function conventionalGithubReleaser(auth, changelogOpts, context, gitRawCommitsO
         return;
       }
 
+      var prerelease = semver.parse(version).prerelease.length > 0;
+
       var promise = Q.nfcall(github.releases.createRelease, {
         // jscs:disable
         owner: context.owner,
         repo: context.repository,
         tag_name: version,
-        body: chunk.log
+        body: chunk.log,
+        prerelease: prerelease
         // jscs:enable
       });
 
diff --git a/package.json b/package.json
index a47ff806..5486b1c7 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
     "lodash.merge": "^3.3.2",
     "meow": "^3.3.0",
     "q": "^1.4.1",
+    "semver": "^5.0.1",
     "through2": "^2.0.0"
   },
   "devDependencies": {