fix: differentiate between refs and sha gitab listcheckrunsforref

clients/gitlabrepo/checkruns.go

@@ -16,6 +16,7 @@ package gitlabrepo
 
 import (
 	"fmt"
+	"regexp"
 
 	"github.com/xanzy/go-gitlab"
 
@@ -32,11 +33,20 @@ func (handler *checkrunsHandler) init(repourl *repoURL) {
 }
 
 func (handler *checkrunsHandler) listCheckRunsForRef(ref string) ([]clients.CheckRun, error) {
+	commit := regexp.MustCompile("^[a-f0-9]{40}$")
+	options := gitlab.ListProjectPipelinesOptions{
+		ListOptions: gitlab.ListOptions{},
+	}
+
+	// In Gitlab: ref refers to a branch or tag name, and sha refers to commit sha
+	if commit.MatchString(ref) {
+		options.SHA = &ref
+	} else {
+		options.Ref = &ref
+	}
+
 	pipelines, _, err := handler.glClient.Pipelines.ListProjectPipelines(
-		handler.repourl.projectID, &gitlab.ListProjectPipelinesOptions{
-			SHA:         &ref,
-			ListOptions: gitlab.ListOptions{},
-		})
+		handler.repourl.projectID, &options)
 	if err != nil {
 		return nil, fmt.Errorf("request for pipelines returned error: %w", err)
 	}

clients/gitlabrepo/checkruns_test.go

@@ -29,12 +29,14 @@ func Test_CheckRuns(t *testing.T) {
 	tests := []struct {
 		name         string
 		responsePath string
+		ref          string
 		want         []clients.CheckRun
 		wantErr      bool
 	}{
 		{
 			name:         "valid checkruns",
 			responsePath: "./testdata/valid-checkruns",
+			ref:          "main",
 			want: []clients.CheckRun{
 				{
 					Status:     "queued",
@@ -47,11 +49,13 @@ func Test_CheckRuns(t *testing.T) {
 		{
 			name:         "valid checkruns with zero results",
 			responsePath: "./testdata/valid-checkruns-1",
+			ref:          "eb94b618fb5865b26e80fdd8ae531b7a63ad851a",
 			wantErr:      false,
 		},
 		{
 			name:         "failure fetching the checkruns",
 			responsePath: "./testdata/invalid-checkruns-result",
+			ref:          "main",
 			wantErr:      true,
 		},
 	}
@@ -77,7 +81,7 @@ func Test_CheckRuns(t *testing.T) {
 				commitSHA: clients.HeadSHA,
 			}
 			handler.init(&repoURL)
-			got, err := handler.listCheckRunsForRef("main")
+			got, err := handler.listCheckRunsForRef(tt.ref)
 			if (err != nil) != tt.wantErr {
 				t.Fatalf("checkRuns error: %v, wantedErr: %t", err, tt.wantErr)
 			}