Merge pull request #50 from PlakarLabs/fix-case-folding-for-insane-fi…

…lesystems

normalize root path when doing backup

cmd/plakar/subcommands/backup/backup.go

@@ -27,6 +27,7 @@ import (
 	"strings"
 
 	"github.com/PlakarLabs/plakar/cmd/plakar/subcommands"
+	"github.com/PlakarLabs/plakar/cmd/plakar/utils"
 	"github.com/PlakarLabs/plakar/context"
 	"github.com/PlakarLabs/plakar/logger"
 	"github.com/PlakarLabs/plakar/repository"
@@ -76,6 +77,12 @@ func cmd_backup(ctx *context.Context, repo *repository.Repository, args []string
 		return 1
 	}
 
+	dir, err = utils.NormalizePath(dir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%s\n", err)
+		return 1
+	}
+
 	if opt_excludes != "" {
 		fp, err := os.Open(opt_excludes)
 		if err != nil {

cmd/plakar/utils/utils.go

@@ -427,3 +427,44 @@ const VERSION = "v0.4.22-alpha"
 func GetVersion() string {
 	return VERSION
 }
+
+func NormalizePath(path string) (string, error) {
+	path = filepath.Clean(path)
+	parts := strings.Split(path, string(filepath.Separator))[1:]
+
+	if len(parts) == 0 || parts[0] == "" {
+		return "", fmt.Errorf("invalid path")
+	}
+
+	var normalizedPath string
+	// For Windows, start with the drive letter.
+	if filepath.IsAbs(path) {
+		normalizedPath = string(filepath.Separator)
+	}
+
+	for _, part := range parts {
+		if part == "" {
+			continue
+		}
+
+		dirEntries, err := os.ReadDir(normalizedPath)
+		if err != nil {
+			return "", err
+		}
+
+		matched := false
+		for _, entry := range dirEntries {
+			if strings.EqualFold(entry.Name(), part) {
+				normalizedPath = filepath.Join(normalizedPath, entry.Name())
+				matched = true
+				break
+			}
+		}
+
+		if !matched {
+			return "", fmt.Errorf("path not found: %s", path)
+		}
+	}
+
+	return normalizedPath, nil
+}

snapshot/backup.go

@@ -523,14 +523,12 @@ func (snap *Snapshot) Backup(scanDir string, options *PushOptions) error {
 		return err
 	}
 	for record := range directories {
-
 		dirEntry := vfs.NewDirectoryEntry(filepath.Dir(record.Pathname), &record)
 
 		for _, child := range record.Children {
 			value, err := sc.GetChecksum(filepath.Join(record.Pathname, child.Name()))
 			if err != nil {
 				continue
-				//				return err
 			}
 			dirEntry.AddChild(value, child)
 		}