fix: less failure, more trying to push forward

distribusi.go

@@ -229,7 +229,7 @@ func distribusify(c *cli.Context, root string, ignore []string) error {
 	if err := filepath.Walk(root, func(fpath string, finfo os.FileInfo, err error) error {
 
 		if skip := shouldSkip(c, fpath, ignore); skip {
-			return filepath.SkipDir
+			return nil
 		}
 
 		var html []string
@@ -245,11 +245,8 @@ func distribusify(c *cli.Context, root string, ignore []string) error {
 
 			contents, err := ioutil.ReadDir(absPath)
 			if err != nil {
-				if strings.Contains(err.Error(), "permission denied") {
-					return filepath.SkipDir
-				}
-
-				return err
+				logrus.Debugf("unable to read %s", absPath)
+				return filepath.SkipDir
 			}
 
 			for _, content := range contents {
@@ -259,10 +256,11 @@ func distribusify(c *cli.Context, root string, ignore []string) error {
 					if content.Name() == "index.html" {
 						file, err := os.ReadFile(path.Join(absPath, content.Name()))
 						if err != nil {
-							return filepath.SkipDir
+							logrus.Debugf("unable to read %s, skipping", content.Name())
+							continue
 						}
 						if strings.Contains(string(file), generatedInDistribusi) {
-							return filepath.SkipDir
+							continue
 						}
 					}
 					files = append(files, path.Join(absPath, content.Name()))
@@ -309,24 +307,28 @@ func distribusify(c *cli.Context, root string, ignore []string) error {
 
 				mtype, err := getMtype(file)
 				if err != nil {
-					return err
+					logrus.Debugf("failed to read mimetype of %s", file)
+					continue
 				}
 
 				unknown, href, err := getHref(c, file, mtype)
 				if err != nil {
-					return err
+					logrus.Debugf("failed to generate href for %s", file)
+					continue
 				}
 
 				div, err := mkDiv(c, mtype, href, fname, unknown)
 				if err != nil {
-					return err
+					logrus.Debugf("failed to generate div for %s", file)
+					continue
 				}
 
 				html = append(html, div)
 			}
 
 			if err := writeIndex(absPath, html, c.String("css")); err != nil {
-				return err
+				logrus.Debugf("unable to generated %s, skipping", path.Join(absPath, "index.html"))
+				return nil
 			}
 
 			allDirs = append(allDirs, strings.Join(dirs, " "))
@@ -377,7 +379,7 @@ func getMtype(fpath string) (string, error) {
 func genThumb(c *cli.Context, fpath, caption string) (string, error) {
 	knownFailureExts := []string{".ico", ".svg", ".xcf"}
 	if sliceContains(knownFailureExts, filepath.Ext(fpath)) {
-		return "", nil
+		return "", fmt.Errorf("unable to generate thumbnail for %s", fpath)
 	}
 
 	imgSrc, err := imaging.Open(fpath, imaging.AutoOrientation(true))
@@ -557,7 +559,7 @@ func writeIndex(fpath string, html []string, styles string) error {
 		if _, err := os.Stat(absPath); !os.IsNotExist(err) {
 			contents, err := os.ReadFile(absPath)
 			if err != nil {
-				return err
+				return nil
 			}
 
 			body = fmt.Sprintf(htmlBody, generatedInDistribusi, contents, strings.Join(html, "\n"))
@@ -570,20 +572,24 @@ func writeIndex(fpath string, html []string, styles string) error {
 	if _, err := os.Stat(HTMLPath); err != nil {
 		if os.IsNotExist(err) {
 			if err := ioutil.WriteFile(HTMLPath, contents, 0644); err != nil {
-				return err
+				logrus.Debugf("unable to write %s, skipping", HTMLPath)
+				return nil
 			}
 		} else {
-			return err
+			logrus.Debugf("unable to read %s, skipping", HTMLPath)
+			return nil
 		}
 	} else {
 		file, err := os.ReadFile(HTMLPath)
 		if err != nil {
-			return err
+			logrus.Debugf("unable to read %s, skipping", HTMLPath)
+			return nil
 		}
 
 		if strings.Contains(string(file), generatedInDistribusi) {
 			if err := ioutil.WriteFile(HTMLPath, contents, 0644); err != nil {
-				return err
+				logrus.Debugf("unable to write %s, skipping", HTMLPath)
+				return nil
 			}
 		}
 	}