From 8f44aee76a683f996d44974a2b1daaae2cec48cf Mon Sep 17 00:00:00 2001
From: Jonathan Lloyd <jonathan@thisisjonathan.com>
Date: Tue, 13 Oct 2020 20:41:16 +0100
Subject: [PATCH] Load repo and parent in single query

---
 api/queries_repo.go              | 23 +++++++++++++++--------
 pkg/cmd/repo/clone/clone.go      | 15 ++++-----------
 pkg/cmd/repo/clone/clone_test.go | 23 ++++++-----------------
 3 files changed, 25 insertions(+), 36 deletions(-)

diff --git a/api/queries_repo.go b/api/queries_repo.go
index fdbd13e92..2e000b979 100644
--- a/api/queries_repo.go
+++ b/api/queries_repo.go
@@ -88,16 +88,23 @@ func (r Repository) ViewerCanTriage() bool {
 
 func GitHubRepo(client *Client, repo ghrepo.Interface) (*Repository, error) {
 	query := `
+	fragment repo on Repository {
+		id
+		name
+		owner { login }
+		hasIssuesEnabled
+		description
+		viewerPermission
+		defaultBranchRef {
+			name
+		}
+	}
+
 	query RepositoryInfo($owner: String!, $name: String!) {
 		repository(owner: $owner, name: $name) {
-			id
-			name
-			owner { login }
-			hasIssuesEnabled
-			description
-			viewerPermission
-			defaultBranchRef {
-				name
+			...repo
+			parent {
+				...repo
 			}
 		}
 	}`
diff --git a/pkg/cmd/repo/clone/clone.go b/pkg/cmd/repo/clone/clone.go
index 08b1cc13b..6dc225538 100644
--- a/pkg/cmd/repo/clone/clone.go
+++ b/pkg/cmd/repo/clone/clone.go
@@ -126,8 +126,7 @@ func cloneRun(opts *CloneOptions) error {
 
 	// Load the repo from the API to get the username/repo name in its
 	// canonical capitalization
-	var canonicalRepo ghrepo.Interface
-	canonicalRepo, err = api.GitHubRepo(apiClient, repo)
+	canonicalRepo, err := api.GitHubRepo(apiClient, repo)
 	if err != nil {
 		return err
 	}
@@ -139,18 +138,12 @@ func cloneRun(opts *CloneOptions) error {
 	}
 
 	// If the repo is a fork, add the parent as an upstream
-	var parentRepo ghrepo.Interface
-	parentRepo, err = api.RepoParent(apiClient, canonicalRepo)
-	if err != nil {
-		return err
-	}
-
-	if parentRepo != nil {
-		protocol, err := cfg.Get(parentRepo.RepoHost(), "git_protocol")
+	if canonicalRepo.Parent != nil {
+		protocol, err := cfg.Get(canonicalRepo.Parent.RepoHost(), "git_protocol")
 		if err != nil {
 			return err
 		}
-		upstreamURL := ghrepo.FormatRemoteURL(parentRepo, protocol)
+		upstreamURL := ghrepo.FormatRemoteURL(canonicalRepo.Parent, protocol)
 
 		err = git.AddUpstreamRemote(upstreamURL, cloneDir)
 		if err != nil {
diff --git a/pkg/cmd/repo/clone/clone_test.go b/pkg/cmd/repo/clone/clone_test.go
index 875183626..f696cd354 100644
--- a/pkg/cmd/repo/clone/clone_test.go
+++ b/pkg/cmd/repo/clone/clone_test.go
@@ -103,13 +103,6 @@ func Test_RepoClone(t *testing.T) {
 					}
 				} } }
 				`))
-			reg.Register(
-				httpmock.GraphQL(`query RepositoryFindParent\b`),
-				httpmock.StringResponse(`
-				{ "data": { "repository": {
-					"parent": null
-				} } }
-				`))
 
 			httpClient := &http.Client{Transport: reg}
 
@@ -141,19 +134,15 @@ func Test_RepoClone_hasParent(t *testing.T) {
 					"name": "REPO",
 					"owner": {
 						"login": "OWNER"
+					},
+					"parent": {
+						"name": "ORIG",
+						"owner": {
+							"login": "hubot"
+						}
 					}
 				} } }
 				`))
-	reg.Register(
-		httpmock.GraphQL(`query RepositoryFindParent\b`),
-		httpmock.StringResponse(`
-		{ "data": { "repository": {
-			"parent": {
-				"owner": {"login": "hubot"},
-				"name": "ORIG"
-			}
-		} } }
-		`))
 
 	httpClient := &http.Client{Transport: reg}