Provisioning: Move apifmt, loki and safepath to provisioning app (#110226)

* Move apifmt

* Move safepath

* Move Loki package

* Regenerate Loki mock

* Missing file for Loki

apps/provisioning/pkg/safepath/dir.go

@@ -0,0 +1,65 @@
+package safepath
+
+import (
+	"fmt"
+	"path"
+	"strings"
+)
+
+// IsDir returns true if the filePath ends with a slash.
+// Empty string is considered a directory.
+func IsDir(filePath string) bool {
+	if filePath == "" || filePath == "." {
+		return true
+	}
+
+	return strings.HasSuffix(filePath, "/")
+}
+
+// Dir behaves exactly as path.Dir, but returns "" for the root directory.
+// and returns a trailing slash for all other directories.
+func Dir(filePath string) string {
+	if filePath == "" {
+		return ""
+	}
+
+	// Trim trailing slash before getting the directory
+	cleanPath := strings.TrimSuffix(filePath, "/")
+	dir := path.Dir(cleanPath)
+	if dir == "." || dir == "/" {
+		return ""
+	}
+
+	return dir + "/"
+}
+
+// InDir returns true if the filePath is a subdirectory of the given directory.
+func InDir(filePath, dir string) bool {
+	return strings.HasPrefix(filePath, dir)
+}
+
+// RelativeTo returns the relative path of the filePath to the given directory.
+// It handles cases where either filePath or dir have leading or trailing slashes.
+func RelativeTo(filePath, dir string) (string, error) {
+	if dir == "/" || dir == "" {
+		return filePath, nil
+	}
+
+	// Normalize paths by trimming leading and trailing slashes
+	normalizedDir := strings.Trim(dir, "/")
+	if normalizedDir != "" {
+		normalizedDir += "/"
+	}
+
+	normalizedPath := strings.TrimPrefix(filePath, "/")
+
+	// Check if the normalized path is in the normalized directory
+	if !strings.HasPrefix(normalizedPath, normalizedDir) {
+		return "", fmt.Errorf("filePath is not a subdirectory of dir")
+	}
+
+	// Get the relative path by trimming the directory prefix
+	relativePath := strings.TrimPrefix(normalizedPath, normalizedDir)
+
+	return relativePath, nil
+}