root.yaml prio, otherwise sort -f results

cmd/pttodo-cli/cli.go

@@ -11,6 +11,7 @@ import (
 	"os"
 	"os/exec"
 	"path"
+	"sort"
 	"strings"
 	"syscall"
 
@@ -387,5 +388,11 @@ func listDir(dname string) ([]string, error) {
 		}
 		paths = append(paths, path.Join(dname, entries[i].Name()))
 	}
+	sort.Slice(paths, func(i, j int) bool {
+		if path.Base(paths[i]) == "root.yaml" {
+			return true
+		}
+		return paths[i] < paths[j]
+	})
 	return paths, nil
 }

cmd/pttodo-cli/testdata/root.yaml

@@ -0,0 +1,4 @@
+todo:
+- root
+scheduled: []
+done: []