replay: use the runtime quirks for our replay quirks

Closes #1166

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1297>

tools/libinput-replay.py

@@ -30,6 +30,7 @@ import math
 import multiprocessing
 import argparse
 from pathlib import Path
+from tempfile import NamedTemporaryFile
 
 try:
     import libevdev
@@ -315,9 +316,8 @@ def create_device_quirk(device, quirks):
     return quirk
 
 
-def setup_quirks(recording):
+def setup_quirks(recording) -> Path | None:
     devices = fetch(recording, "devices")
-    overrides = None
     quirks = []
     for d in devices:
         qs = d.get("quirks") or []
@@ -331,27 +331,22 @@ def setup_quirks(recording):
     if not quirks:
         return None
 
-    overrides = Path("/etc/libinput/local-overrides.quirks")
-    if overrides.exists():
-        print(
-            "{} exists, please move it out of the way first".format(overrides),
-            file=sys.stderr,
-        )
-        sys.exit(1)
+    runtime_dir = (
+        Path(os.getenv("XDG_RUNTIME_DIR", f"/run/user/{os.geteuid()}")) / "libinput"
+    )
+    runtime_dir.mkdir(exist_ok=True, parents=True)
+    with NamedTemporaryFile(
+        mode="w+",
+        dir=runtime_dir,
+        suffix=".quirks",
+        prefix="libinput-replay",
+        delete=False,
+    ) as fd:
+        fd.write("# This file was generated by libinput replay\n")
+        fd.write("# Unless libinput replay is running right now, remove this file.\n")
+        fd.write("\n\n".join(quirks))
 
-    overrides.parent.mkdir(exist_ok=True)
-    try:
-        with overrides.open("w+") as fd:
-            fd.write("# This file was generated by libinput replay\n")
-            fd.write(
-                "# Unless libinput replay is running right now, remove this file.\n"
-            )
-            fd.write("\n\n".join(quirks))
-    except IOError:
-        error("Warning: Couldn't write to {}, please re-run as root".format(overrides))
-        return None
-
-    return overrides
+        return Path(fd.name)
 
 
 def check_file(recording):
@@ -413,6 +408,7 @@ def main():
     finally:
         if quirks_file:
             quirks_file.unlink()
+            quirks_file.parent.unlink()
 
 
 if __name__ == "__main__":