CI: Overhaul static checks to use `pre-commit`

1 files changed, 51 insertions, 0 deletions

diff --git a/misc/scripts/file_format.py b/misc/scripts/file_format.py
new file mode 100644
index 0000000000..a4ea544a45
--- /dev/null
+++ b/misc/scripts/file_format.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+
+if len(sys.argv) < 2:
+    print("Invalid usage of file_format.py, it should be called with a path to one or multiple files.")
+    sys.exit(1)
+
+BOM = b"\xef\xbb\xbf"
+
+changed = []
+invalid = []
+
+for file in sys.argv[1:]:
+    try:
+        with open(file, "rt", encoding="utf-8") as f:
+            original = f.read()
+    except UnicodeDecodeError:
+        invalid.append(file)
+        continue
+
+    if original == "":
+        continue
+
+    EOL = "\r\n" if file.endswith((".csproj", ".sln", ".bat")) or file.startswith("misc/msvs") else "\n"
+    WANTS_BOM = file.endswith((".csproj", ".sln"))
+
+    revamp = EOL.join([line.rstrip("\n\r\t ") for line in original.splitlines(True)]).rstrip(EOL) + EOL
+
+    new_raw = revamp.encode(encoding="utf-8")
+    if not WANTS_BOM and new_raw.startswith(BOM):
+        new_raw = new_raw[len(BOM) :]
+    elif WANTS_BOM and not new_raw.startswith(BOM):
+        new_raw = BOM + new_raw
+
+    with open(file, "rb") as f:
+        old_raw = f.read()
+
+    if old_raw != new_raw:
+        changed.append(file)
+        with open(file, "wb") as f:
+            f.write(new_raw)
+
+if changed:
+    for file in changed:
+        print(f"FIXED: {file}")
+if invalid:
+    for file in invalid:
+        print(f"REQUIRES MANUAL CHANGES: {file}")
+    sys.exit(1)