Simplify client creation

lib/githubPRStatus.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/google/go-github/v35/github"
 	"github.com/hasura/go-graphql-client"
 )
 
@@ -22,9 +23,9 @@ type GithubPRStatus struct {
 	Statuses []GithubStatusContext
 }
 
-func GetGithubPRStatus(ctx context.Context, repoLimiter *time.Ticker, repo Repo, prNumber int) (GithubPRStatus, error) {
+func GetGithubPRStatus(ctx context.Context, client *github.Client, repoLimiter *time.Ticker, repo Repo, prNumber int) (GithubPRStatus, error) {
 	p := NewProviderFromConfig(repo.ProviderConfig)
-	graphqlClient, err := p.GithubGraphqlClient(ctx)
+	graphqlClient, err := p.GithubGraphqlClient(ctx, client)
 	if err != nil {
 		return GithubPRStatus{}, err
 	}

lib/provider.go

@@ -53,22 +53,13 @@ func (p *Provider) GithubClient(ctx context.Context) (*github.Client, error) {
 	return client, nil
 }
 
-func (p *Provider) GithubGraphqlClient(ctx context.Context) (*graphql.Client, error) {
-	// validation
-	if p.Backend != "github" {
-		return nil, fmt.Errorf("cannot initialize GithubGraphqlClient: backend is not 'github', but instead is '%s'", p.Backend)
-	}
+func (p *Provider) GithubGraphqlClient(ctx context.Context, rest *github.Client) (*graphql.Client, error) {
 	token := os.Getenv("GITHUB_API_TOKEN")
 	if token == "" {
 		return nil, fmt.Errorf("cannot initialize GithubGraphqlClient: GITHUB_API_TOKEN is not set")
 	}
 
-	url := "https://api.github.com/graphql"
-	if p.IsEnterprise() {
-		url = p.BackendURL
-	}
-
-	client := graphql.NewClient(url, nil).
+	client := graphql.NewClient(rest.BaseURL.String()+"graphql", nil).
 		WithRequestModifier(func(req *http.Request) {
 			req.Header.Add("Authorization", "Bearer "+token)
 		})

merge/merge.go

@@ -69,7 +69,7 @@ func GitHubMerge(ctx context.Context, input Input, repoLimiter *time.Ticker, mer
 	}
 
 	// (2) Check commit status
-	status, err := lib.GetGithubPRStatus(ctx, repoLimiter, input.Repo, input.PRNumber)
+	status, err := lib.GetGithubPRStatus(ctx, client, repoLimiter, input.Repo, input.PRNumber)
 	if err != nil {
 		return Output{Success: false}, err
 	}

push/push.go

@@ -138,7 +138,7 @@ func GithubPush(ctx context.Context, input Input, repoLimiter *time.Ticker, push
 		}
 	}
 
-	cs, err := lib.GetGithubPRStatus(ctx, repoLimiter, input.Repo, *pr.Number)
+	cs, err := lib.GetGithubPRStatus(ctx, client, repoLimiter, input.Repo, *pr.Number)
 	if err != nil {
 		return Output{Success: false}, err
 	}

sync/syncGithub.go

@@ -28,7 +28,7 @@ func GithubSyncPush(ctx context.Context, r lib.Repo, po push.Output, repoLimiter
 		return Output{}, err
 	}
 
-	cs, err := lib.GetGithubPRStatus(ctx, repoLimiter, r, po.PullRequestNumber)
+	cs, err := lib.GetGithubPRStatus(ctx, client, repoLimiter, r, po.PullRequestNumber)
 	if err != nil {
 		return Output{}, err
 	}