Add an integration test for a config with a negative refspec

pkg/integration/tests/config/negative_refspec.go

@@ -0,0 +1,25 @@
+package config
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var NegativeRefspec = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Having a config with a negative refspec",
+	ExtraCmdArgs: []string{},
+	GitVersion:   AtLeast("2.29.0"),
+	SetupRepo: func(shell *Shell) {
+		shell.
+			SetConfig("remote.origin.fetch", "^refs/heads/test").
+			CreateNCommits(2)
+	},
+	SetupConfig: func(cfg *config.AppConfig) {},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		// the failure case with an unpatched go-git is that no branches display
+		t.Views().Branches().
+			Lines(
+				Contains("master"),
+			)
+	},
+})

pkg/integration/tests/test_list.go

@@ -130,6 +130,7 @@ var tests = []*components.IntegrationTest{
 	commit.StagedWithoutHooks,
 	commit.Unstaged,
 	config.CustomCommandsInPerRepoConfig,
+	config.NegativeRefspec,
 	config.RemoteNamedStar,
 	conflicts.Filter,
 	conflicts.ResolveExternally,