fix(pull-request): add option in config to use https instead of ssh

fix #436

Author: Ryan Garant

README.md

@@ -1239,6 +1239,12 @@ You can also set per-project configurations by adding a `.gh.json` file in your
 "signature": "<br><br>:octocat: *Sent from [GH](http://nodegh.io).*"
 ```
 
+-   Turn off ssh when pulling a repo and use https instead.
+
+```javascript
+"ssh": false,
+```
+
 If you need to use a custom git command, set the environment variable `GH_GIT_COMMAND`.
 
 ## Plugins

lib/cmds/pull-request.js

@@ -337,7 +337,7 @@ PullRequest.prototype.fetch = function(opt_type, opt_callback) {
         }
 
         headBranch = pull.head.ref
-        repoUrl = pull.head.repo.ssh_url
+        repoUrl = config.ssh === false ? pull.head.repo.clone_url : pull.head.repo.ssh_url
 
         git.fetch(repoUrl, headBranch, options.pullBranch)
 

lib/default.gh.json

@@ -115,5 +115,9 @@
 
     "replace": {},
 
+    "ssh": true,
+
+    "color": true,
+
     "signature": " <br><br>:octocat: *Sent from [GH](http://nodegh.io).*"
 }