Merge pull request #47 from samcontesse/export-source-branch-name

Export source branch name

README.md

@@ -41,6 +41,10 @@ Checks if there are new merge requests or merge requests with new commits.
 
 `git clone`s the source branch of the respective merge request.
 
+If you need to retrieve any information about the merge request in your tasks, the script writes the raw API response of the
+[get single merge request call](https://docs.gitlab.com/ee/api/merge_requests.html#get-single-mr) to `.git/merge-request.json`. 
+The name of the source branch is extracted to `.git/merge-request-source-branch` for convenience. 
+
 ### `out`: Update a merge request's merge status
 
 Updates the merge request's `merge_status` which displays nicely in the GitLab UI and allows to only merge changes if they pass the test.

in/cmd/main.go

@@ -57,7 +57,8 @@ func main() {
 	execGitCommand([]string{"merge", "--no-ff", "--no-commit", mr.SHA})
 
 	notes, _ := json.Marshal(mr)
-	err = ioutil.WriteFile(".git/merge-request.json", notes, 0644)
+	ioutil.WriteFile(".git/merge-request.json", notes, 0644)
+	ioutil.WriteFile(".git/merge-request-source-branch", []byte(mr.SourceBranch), 0644)
 
 	response := in.Response{Version: request.Version, Metadata: buildMetadata(mr, commit)}