fix pre delete dirmd set dir bug and implement last git sha and commit#

internal/walker/walker.go

@@ -9,6 +9,7 @@ import (
 
 	"git.flo.fo/FLO/dirmd/internal/config"
 	"git.flo.fo/FLO/dirmd/internal/filter"
+	"git.flo.fo/FLO/dirmd/internal/git"
 )
 
 type Entry struct {
@@ -21,6 +22,7 @@ type Result struct {
 	AbsRoot    string
 	SingleFile bool
 	OmitTest   bool
+	Commit     *git.CommitInfo
 }
 
 func Run(cfg *config.Config) (*Result, error) {
@@ -53,11 +55,15 @@ func processSingleFile(cfg *config.Config) (*Result, error) {
 		return nil, fmt.Errorf("file %s filtered out", cfg.AbsRoot)
 	}
 
+	// For single files, try to get git info from the parent directory
+	commitInfo := git.GetCommitInfo(filepath.Dir(cfg.AbsRoot))
+
 	return &Result{
 		Entries:    []Entry{{RelPath: filepath.Base(cfg.AbsRoot), Size: info.Size()}},
 		AbsRoot:    filepath.Dir(cfg.AbsRoot),
 		SingleFile: true,
 		OmitTest:   cfg.OmitTest,
+		Commit:     commitInfo,
 	}, nil
 }
 
@@ -73,6 +79,9 @@ func walkDirectory(cfg *config.Config) (*Result, error) {
 
 	result := &Result{AbsRoot: cfg.AbsRoot, OmitTest: cfg.OmitTest}
 
+	// Fetch git info for the root directory
+	result.Commit = git.GetCommitInfo(cfg.AbsRoot)
+
 	err := filepath.WalkDir(cfg.AbsRoot, func(path string, d fs.DirEntry, err error) error {
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "warning: %v\n", err)