fix(deps): update github.com/containers/image/v5 digest to faa4f4f

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

vendor/github.com/containers/storage/drivers/vfs/driver.go

@@ -31,8 +31,9 @@ func init() {
 func Init(home string, options graphdriver.Options) (graphdriver.Driver, error) {
 	d := &Driver{
 		name:       "vfs",
-		homes:      []string{home},
+		home:       home,
 		idMappings: idtools.NewIDMappingsFromMaps(options.UIDMaps, options.GIDMaps),
+		imageStore: options.ImageStore,
 	}
 
 	rootIDs := d.idMappings.RootPair()
@@ -47,7 +48,7 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 		key = strings.ToLower(key)
 		switch key {
 		case "vfs.imagestore", ".imagestore":
-			d.homes = append(d.homes, strings.Split(val, ",")...)
+			d.additionalHomes = append(d.additionalHomes, strings.Split(val, ",")...)
 			continue
 		case "vfs.mountopt":
 			return nil, fmt.Errorf("vfs driver does not support mount options")
@@ -62,12 +63,7 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 			return nil, fmt.Errorf("vfs driver does not support %s options", key)
 		}
 	}
-	// If --imagestore is provided, lets add writable graphRoot
-	// to vfs's additional image store, as it is done for
-	// `overlay` driver.
-	if options.ImageStore != "" {
-		d.homes = append(d.homes, options.ImageStore)
-	}
+
 	d.updater = graphdriver.NewNaiveLayerIDMapUpdater(d)
 	d.naiveDiff = graphdriver.NewNaiveDiffDriver(d, d.updater)
 
@@ -80,11 +76,13 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 // Driver must be wrapped in NaiveDiffDriver to be used as a graphdriver.Driver
 type Driver struct {
 	name              string
-	homes             []string
+	home              string
+	additionalHomes   []string
 	idMappings        *idtools.IDMappings
 	ignoreChownErrors bool
 	naiveDiff         graphdriver.DiffDriver
 	updater           graphdriver.LayerIDMapUpdater
+	imageStore        string
 }
 
 func (d *Driver) String() string {
@@ -158,7 +156,7 @@ func (d *Driver) create(id, parent string, opts *graphdriver.CreateOpts, ro bool
 		idMappings = opts.IDMappings
 	}
 
-	dir := d.dir(id)
+	dir := d.dir2(id, ro)
 	rootIDs := idMappings.RootPair()
 	if err := idtools.MkdirAllAndChown(filepath.Dir(dir), 0o700, rootIDs); err != nil {
 		return err
@@ -204,18 +202,32 @@ func (d *Driver) create(id, parent string, opts *graphdriver.CreateOpts, ro bool
 	return nil
 }
 
-func (d *Driver) dir(id string) string {
-	for i, home := range d.homes {
-		if i > 0 {
-			home = filepath.Join(home, d.String())
+func (d *Driver) dir2(id string, useImageStore bool) string {
+	var homedir string
+
+	if useImageStore && d.imageStore != "" {
+		homedir = filepath.Join(d.imageStore, d.String(), "dir", filepath.Base(id))
+	} else {
+		homedir = filepath.Join(d.home, "dir", filepath.Base(id))
+	}
+	if _, err := os.Stat(homedir); err != nil {
+		additionalHomes := d.additionalHomes[:]
+		if d.imageStore != "" {
+			additionalHomes = append(additionalHomes, d.imageStore)
 		}
-		candidate := filepath.Join(home, "dir", filepath.Base(id))
-		fi, err := os.Stat(candidate)
-		if err == nil && fi.IsDir() {
-			return candidate
+		for _, home := range additionalHomes {
+			candidate := filepath.Join(home, d.String(), "dir", filepath.Base(id))
+			fi, err := os.Stat(candidate)
+			if err == nil && fi.IsDir() {
+				return candidate
+			}
 		}
 	}
-	return filepath.Join(d.homes[0], "dir", filepath.Base(id))
+	return homedir
+}
+
+func (d *Driver) dir(id string) string {
+	return d.dir2(id, false)
 }
 
 // Remove deletes the content from the directory for a given id.
@@ -263,7 +275,7 @@ func (d *Driver) Exists(id string) bool {
 
 // List layers (not including additional image stores)
 func (d *Driver) ListLayers() ([]string, error) {
-	entries, err := os.ReadDir(filepath.Join(d.homes[0], "dir"))
+	entries, err := os.ReadDir(filepath.Join(d.home, "dir"))
 	if err != nil {
 		return nil, err
 	}
@@ -285,8 +297,8 @@ func (d *Driver) ListLayers() ([]string, error) {
 
 // AdditionalImageStores returns additional image stores supported by the driver
 func (d *Driver) AdditionalImageStores() []string {
-	if len(d.homes) > 1 {
-		return d.homes[1:]
+	if len(d.additionalHomes) > 0 {
+		return d.additionalHomes
 	}
 	return nil
 }