Show "HEAD detached at <hash>" in the recent repos menu

A repo with no branch checked out puts a bare short hash in the branch
column, where it reads as a branch name. Spell it out the way the
worktrees panel already does.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

pkg/gui/controllers/helpers/repos_helper.go

@@ -119,7 +119,8 @@ func (self *ReposHelper) getCurrentBranch(path string) string {
 	if head.branch != "" {
 		return head.branch
 	}
-	return utils.ShortHash(head.hash)
+	return utils.ResolvePlaceholderString(self.c.Tr.HeadDetachedAt,
+		map[string]string{"hash": utils.ShortHash(head.hash)})
 }
 
 // The most that the name and the branch column of the recent repos menu are

pkg/integration/tests/misc/recent_repos_branch_column.go

@@ -0,0 +1,40 @@
+package misc
+
+import (
+	"path/filepath"
+
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var RecentReposBranchColumn = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "The branch column of the recent repositories menu shows what each repo has checked out",
+	ExtraCmdArgs: []string{},
+	ExtraEnvVars: map[string]string{
+		"SHOW_RECENT_REPOS": "true",
+	},
+	Skip: false,
+	SetupConfig: func(cfg *config.AppConfig) {
+		// the first entry is the repo we're in, so it isn't offered
+		current, _ := filepath.Abs(".")
+		onBranch, _ := filepath.Abs("../on-branch")
+		detached, _ := filepath.Abs("../detached")
+		cfg.GetAppState().RecentRepos = []string{current, onBranch, detached}
+	},
+	SetupRepo: func(shell *Shell) {
+		shell.EmptyCommit("one")
+		shell.CloneNonBare("on-branch")
+		shell.CloneNonBare("detached")
+		shell.RunCommand([]string{"git", "-C", "../detached", "checkout", "--detach"})
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.ExpectPopup().Menu().
+			Title(Equals("Recent repositories")).
+			Lines(
+				Contains("on-branch").Contains("master").IsSelected(),
+				Contains("detached").MatchesRegexp(`HEAD detached at [0-9a-f]{8}`),
+				Contains("Cancel"),
+			).
+			Cancel()
+	},
+})

pkg/integration/tests/test_list.go

@@ -365,6 +365,7 @@ var tests = []*components.IntegrationTest{
 	misc.DirenvUnloadsOnBlockedEnvrc,
 	misc.FilterRecentRepos,
 	misc.InitialOpen,
+	misc.RecentReposBranchColumn,
 	misc.RecentReposColumnWidths,
 	misc.RecentReposOnLaunch,
 	misc.RecentReposWithLongNames,