repo edit: fix interactive mode in GHES < 3.3

internal/featuredetection/feature_detection.go

@@ -37,6 +37,7 @@ type RepositoryFeatures struct {
 	IssueTemplateQuery       bool
 	PullRequestTemplateQuery bool
 	VisibilityField          bool
+	AutoMerge                bool
 }
 
 var allRepositoryFeatures = RepositoryFeatures{
@@ -44,6 +45,7 @@ var allRepositoryFeatures = RepositoryFeatures{
 	IssueTemplateQuery:       true,
 	PullRequestTemplateQuery: true,
 	VisibilityField:          true,
+	AutoMerge:                true,
 }
 
 type detector struct {
@@ -107,6 +109,9 @@ func (d *detector) RepositoryFeatures() (RepositoryFeatures, error) {
 		if field.Name == "visibility" {
 			features.VisibilityField = true
 		}
+		if field.Name == "autoMergeAllowed" {
+			features.AutoMerge = true
+		}
 	}
 
 	return features, nil

internal/featuredetection/feature_detection_test.go

@@ -73,6 +73,7 @@ func TestRepositoryFeatures(t *testing.T) {
 				IssueTemplateQuery:       true,
 				PullRequestTemplateQuery: true,
 				VisibilityField:          true,
+				AutoMerge:                true,
 			},
 			wantErr: false,
 		},
@@ -123,6 +124,23 @@ func TestRepositoryFeatures(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name:     "GHE has automerge field",
+			hostname: "git.my.org",
+			queryResponse: map[string]string{
+				`query Repository_fields\b`: heredoc.Doc(`
+					{ "data": { "Repository": { "fields": [
+						{"name": "autoMergeAllowed"}
+					] } } }
+				`),
+			},
+			wantFeatures: RepositoryFeatures{
+				IssueTemplateMutation: true,
+				IssueTemplateQuery:    true,
+				AutoMerge:             true,
+			},
+			wantErr: false,
+		},
 	}
 
 	for _, tt := range tests {

pkg/cmd/repo/edit/edit.go

@@ -12,6 +12,7 @@ import (
 	"github.com/AlecAivazis/survey/v2"
 	"github.com/MakeNowJust/heredoc"
 	"github.com/cli/cli/v2/api"
+	fd "github.com/cli/cli/v2/internal/featuredetection"
 	"github.com/cli/cli/v2/internal/ghinstance"
 	"github.com/cli/cli/v2/internal/ghrepo"
 	"github.com/cli/cli/v2/pkg/cmdutil"
@@ -48,6 +49,7 @@ type EditOptions struct {
 	AddTopics       []string
 	RemoveTopics    []string
 	InteractiveMode bool
+	Detector        fd.Detector
 	// Cache of current repo topics to avoid retrieving them
 	// in multiple flows.
 	topicsCache []string
@@ -158,9 +160,17 @@ func editRun(ctx context.Context, opts *EditOptions) error {
 	repo := opts.Repository
 
 	if opts.InteractiveMode {
+		detector := opts.Detector
+		if detector == nil {
+			detector = fd.NewDetector(opts.HTTPClient, repo.RepoHost())
+		}
+		repoFeatures, err := detector.RepositoryFeatures()
+		if err != nil {
+			return err
+		}
+
 		apiClient := api.NewClientFromHTTP(opts.HTTPClient)
 		fieldsToRetrieve := []string{
-			"autoMergeAllowed",
 			"defaultBranchRef",
 			"deleteBranchOnMerge",
 			"description",
@@ -174,8 +184,14 @@ func editRun(ctx context.Context, opts *EditOptions) error {
 			"rebaseMergeAllowed",
 			"repositoryTopics",
 			"squashMergeAllowed",
-			"visibility",
 		}
+		if repoFeatures.VisibilityField {
+			fieldsToRetrieve = append(fieldsToRetrieve, "visibility")
+		}
+		if repoFeatures.AutoMerge {
+			fieldsToRetrieve = append(fieldsToRetrieve, "autoMergeAllowed")
+		}
+
 		opts.IO.StartProgressIndicator()
 		fetchedRepo, err := api.FetchRepository(apiClient, opts.Repository, fieldsToRetrieve)
 		opts.IO.StopProgressIndicator()