Filter dot files etc. in i18n

Closes #11993

hugofs/walk.go

@@ -55,6 +55,7 @@ type WalkwayConfig struct {
 	// One or both of these may be pre-set.
 	Info       FileMetaInfo               // The start info.
 	DirEntries []FileMetaInfo             // The start info's dir entries.
+	IgnoreFile func(filename string) bool // Optional
 
 	// Will be called in order.
 	HookPre  WalkHook // Optional.
@@ -172,6 +173,17 @@ func (w *Walkway) walk(path string, info FileMetaInfo, dirEntries []FileMetaInfo
 
 	}
 
+	if w.cfg.IgnoreFile != nil {
+		n := 0
+		for _, fi := range dirEntries {
+			if !w.cfg.IgnoreFile(fi.Meta().Filename) {
+				dirEntries[n] = fi
+				n++
+			}
+		}
+		dirEntries = dirEntries[:n]
+	}
+
 	if w.cfg.HookPre != nil {
 		var err error
 		dirEntries, err = w.cfg.HookPre(info, path, dirEntries)

hugolib/hugo_sites.go

@@ -474,6 +474,7 @@ func (h *HugoSites) loadData() error {
 	w := hugofs.NewWalkway(
 		hugofs.WalkwayConfig{
 			Fs:         h.PathSpec.BaseFs.Data.Fs,
+			IgnoreFile: h.SourceSpec.IgnoreFile,
 			WalkFn: func(path string, fi hugofs.FileMetaInfo) error {
 				if fi.IsDir() {
 					return nil

hugolib/language_test.go

@@ -135,3 +135,14 @@ FormatNumberCustom: 12,345.68
 NumFmt: -98,765.43
 `)
 }
+
+// Issue 11993.
+func TestI18nDotFile(t *testing.T) {
+	files := `
+-- hugo.toml --{}
+baseURL = "https://example.com"
+-- i18n/.keep --
+-- data/.keep --
+`
+	Test(t, files)
+}

hugolib/pages_capture.go

@@ -249,9 +249,6 @@ func (c *pagesCollector) collectDir(dirPath *paths.Path, isDir bool, inFilter fu
 
 func (c *pagesCollector) collectDirDir(path string, root hugofs.FileMetaInfo, inFilter func(fim hugofs.FileMetaInfo) bool) error {
 	filter := func(fim hugofs.FileMetaInfo) bool {
-		if c.sp.IgnoreFile(fim.Meta().Filename) {
-			return false
-		}
 		if inFilter != nil {
 			return inFilter(fim)
 		}
@@ -334,6 +331,7 @@ func (c *pagesCollector) collectDirDir(path string, root hugofs.FileMetaInfo, in
 			Root:       path,
 			Info:       root,
 			Fs:         c.fs,
+			IgnoreFile: c.h.SourceSpec.IgnoreFile,
 			HookPre:    preHook,
 			HookPost:   postHook,
 			WalkFn:     wfn,
@@ -371,6 +369,7 @@ func (c *pagesCollector) handleBundleLeaf(dir, bundle hugofs.FileMetaInfo, inPat
 			Logger:     c.logger,
 			Info:       dir,
 			DirEntries: readdir,
+			IgnoreFile: c.h.SourceSpec.IgnoreFile,
 			WalkFn:     walk,
 		})
 

langs/i18n/translationProvider.go

@@ -60,6 +60,7 @@ func (tp *TranslationProvider) NewResource(dst *deps.Deps) error {
 	w := hugofs.NewWalkway(
 		hugofs.WalkwayConfig{
 			Fs:         dst.BaseFs.I18n.Fs,
+			IgnoreFile: dst.SourceSpec.IgnoreFile,
 			WalkFn: func(path string, info hugofs.FileMetaInfo) error {
 				if info.IsDir() {
 					return nil