Fix line endings

.gitignore

@@ -1,2 +1,4 @@
 bazel-*/
 compile_commands.json
+.cache/
+external/

tools/BUILD.bazel

@@ -0,0 +1,8 @@
+load("@rules_python//python:py_binary.bzl", "py_binary")
+
+py_binary(
+    name = "fix_line_endings",
+    srcs = [
+        "fix_line_endings.py",
+    ],
+)

tools/fix_line_endings.py

@@ -0,0 +1,68 @@
+import os
+import subprocess
+import glob
+import re
+import sys
+import time
+
+TO_FIX = [
+    ".bazelrc",
+    ".clang-tidy",
+    ".gitignore",
+    "**/*.hpp",
+    "**/*.h",
+    "**/*.cpp",
+    "**/*.py",
+    "**/*.bzl",
+    "**/*.bazel",
+    "**/*.txt",
+    "**/*.bat",
+    "**/*.sh",
+]
+
+TO_IGNORE = [
+    "MODULE.bazel.lock",
+]
+
+TO_FIX = [re.compile(glob.translate(p, recursive=True, include_hidden=True)) for p in TO_FIX]
+TO_IGNORE = [re.compile(glob.translate(p, recursive=True, include_hidden=True)) for p in TO_IGNORE]
+
+def get_git_files():
+    return subprocess.check_output(["git", "ls-files"]).decode().splitlines()
+
+def fix_file(file):
+    lines = []
+    with open(file, "rb") as fp:
+        lines = [l.rstrip() + b"\n" for l in fp.readlines()]
+    with open(file, "wb+") as fp:
+        fp.writelines(lines)
+
+if __name__ == "__main__":
+    os.chdir(os.getenv("BUILD_WORKSPACE_DIRECTORY"))
+
+    files = get_git_files()
+    files_to_fix = []
+    unhandled_files = []
+
+    for f in files:
+        for pattern in TO_FIX:
+            if pattern.match(f):
+                files_to_fix.append(f)
+                break
+        else:
+            for pattern in TO_IGNORE:
+                if pattern.match(f):
+                    break
+            else:
+                unhandled_files.append(f)
+
+    if len(unhandled_files):
+        print("Some files were not handled:")
+        for f in unhandled_files:
+            print("    ", f)
+        sys.exit(1)
+
+    for i, f in enumerate(files):
+        print(f"\033[K{i}/{len(files_to_fix)} {f}", end="\r", flush=True)
+        fix_file(f)
+    print("")