track github remote url

remote/github/convert.go

@@ -230,6 +230,7 @@ func convertPullHook(from *webhook, merge bool) *model.Build {
 		Author:  from.PullRequest.User.Login,
 		Avatar:  from.PullRequest.User.Avatar,
 		Title:   from.PullRequest.Title,
+		Remote:  from.PullRequest.Head.Repo.CloneURL,
 		Refspec: fmt.Sprintf(refspec,
 			from.PullRequest.Head.Ref,
 			from.PullRequest.Base.Ref,

remote/github/convert_test.go

@@ -175,6 +175,7 @@ func Test_helper(t *testing.T) {
 			from.PullRequest.Base.Ref = "master"
 			from.PullRequest.Head.Ref = "changes"
 			from.PullRequest.Head.SHA = "f72fc19"
+			from.PullRequest.Head.Repo.CloneURL = "https://github.com/octocat/hello-world-fork"
 			from.PullRequest.HTMLURL = "https://github.com/octocat/hello-world/pulls/42"
 			from.PullRequest.Number = 42
 			from.PullRequest.Title = "Updated README.md"
@@ -186,6 +187,7 @@ func Test_helper(t *testing.T) {
 			g.Assert(build.Branch).Equal(from.PullRequest.Head.Ref)
 			g.Assert(build.Ref).Equal("refs/pull/42/merge")
 			g.Assert(build.Refspec).Equal("changes:master")
+			g.Assert(build.Remote).Equal("https://github.com/octocat/hello-world-fork")
 			g.Assert(build.Commit).Equal(from.PullRequest.Head.SHA)
 			g.Assert(build.Message).Equal(from.PullRequest.Title)
 			g.Assert(build.Title).Equal(from.PullRequest.Title)

remote/github/types.go

@@ -73,8 +73,11 @@ type webhook struct {
 		} `json:"base"`
 
 		Head struct {
-			SHA string `json:"sha"`
-			Ref string `json:"ref"`
+			SHA  string `json:"sha"`
+			Ref  string `json:"ref"`
+			Repo struct {
+				CloneURL string `json:"clone_url"`
+			} `json:"repo"`
 		} `json:"head"`
 	} `json:"pull_request"`
 }