Add cirrus

cirrus.go

@@ -18,18 +18,46 @@ func NewClient(cirrusToken string) graphql.Client {
 		}
 	}()
 
+	var httpClient http.Client
 	if cirrusToken == "" {
-		err = fmt.Errorf("must set GITHUB_TOKEN=<github token>")
-		return nil
-	}
+		// based on cirrus: https://cirrus-ci.org/api/#authorization
+		// if you only need read access to public repositories of your organization you can skip this step and don't provide Authorization header.
+		httpClient = http.Client{
+			Transport: &anonymousTransport{
+				wrapped: http.DefaultTransport,
+			},
+		}
 
-	httpClient := http.Client{
-		Transport: &authedTransport{
-			key:     cirrusToken,
-			wrapped: http.DefaultTransport,
-		},
+	} else {
+		httpClient = http.Client{
+			Transport: &authedTransport{
+				key:     cirrusToken,
+				wrapped: http.DefaultTransport,
+			},
+		}
 	}
+
 	graphqlClient := graphql.NewClient("https://api.cirrus-ci.com/graphql", &httpClient)
 
 	return graphqlClient
 }
+
+type authedTransport struct {
+	key     string
+	wrapped http.RoundTripper
+}
+
+func (t *authedTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.Header.Set("Authorization", "bearer "+t.key)
+	return t.wrapped.RoundTrip(req)
+}
+
+type anonymousTransport struct {
+	wrapped http.RoundTripper
+}
+
+func (t *anonymousTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	return t.wrapped.RoundTrip(req)
+}
+
+//go:generate go run github.com/Khan/genqlient genqlient.yaml

cirrus_test.go

@@ -0,0 +1,19 @@
+package cirrus
+
+import (
+	"context"
+	"fmt"
+	"testing"
+)
+
+func TestNewClient(t *testing.T) {
+	emptyToken := ""
+	graphqlClient := NewClient(emptyToken)
+	var response *getRepositoryBranchStatusResponse
+	var err error
+	response, err = getRepositoryBranchStatus(context.Background(), graphqlClient, "github", "sebastienvermeille", "gocirrus-graphql-client", "master")
+	if err != nil {
+		return
+	}
+	fmt.Println("last build status: ", response.OwnerRepository.Builds.Edges[0].Node.Status)
+}