fix error on missing files

bin/test

@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-go test github.com/amyboyd/editorconfig-cli/editorconfig $*
+go test git.lab.xmaxsmi.dev/xmaxsmi/editorconfig-cli/editorconfig $*

editorconfig/source_file_finder.go

@@ -69,6 +69,21 @@ func FindSourceFiles(searchPaths []string) ([]string, error) {
 			return nil, cli.NewExitError(errMessage, 2)
 		}
 
+		// Check if this is a specific file path (exists and is a file)
+		if fileInfo, err := os.Stat(searchPath); err == nil && !fileInfo.IsDir() {
+			// Don't run on files inside dot directories.
+			if !containsDotDirectoryRegex.MatchString(searchPath) {
+				// For explicitly specified files, always include them regardless of extension
+				files = append(files, searchPath)
+			}
+			continue
+		}
+
+		// If the file doesn't exist, skip it silently (don't error out)
+		if _, err := os.Stat(searchPath); err != nil {
+			continue
+		}
+
 		_ = filepath.Walk(searchPath, func(path string, fileInfo os.FileInfo, err error) error {
 			// Don't add paths that don't exist.
 			if err != nil {

main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"github.com/amyboyd/editorconfig-cli/editorconfig"
+	"git.lab.xmaxsmi.dev/xmaxsmi/editorconfig-cli/editorconfig"
 	"os"
 )