Add pre-commit hook.

.editorconfig

@@ -6,4 +6,4 @@ indent_size = 4
 
 [{CMakeLists.txt, *.cmake}]
 indent_style = space
-indent_size = 4
+indent_size = 4

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-merge-conflict
+      - id: check-case-conflict
+
+ci:
+  autofix_commit_msg: "[pre-commit.ci] Auto fixes from pre-commit.com hooks."
+  autofix_prs: true
+  autoupdate_commit_msg: "[pre-commit.ci] Pre-commit autoupdate."
+  autoupdate_schedule: quarterly
+  submodules: false

src/DDS/DDSFile.py

@@ -217,4 +217,4 @@ class DDSFile:
         return texture
 
     def tr(self, str):
-        return QCoreApplication.translate("DDSFile", str)
+        return QCoreApplication.translate("DDSFile", str)

src/DDS/glstuff.py

@@ -202,4 +202,4 @@ class UncompressedGLTextureFormat(GLTextureFormat):
         if converter:
             self.converter = converter
         else:
-            self.converter = lambda x: x
+            self.converter = lambda x: x