Replace live-reload.sh by autoreload.py

entr is a glitchy mess that keeps restarting for no reason and prevents
pdb usage due to stdin takeover, use a python script instead that
doesn't need external utilities.

autoreload.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+"""Usage: ./autoreload.py [MIRAGE_ARGUMENTS]...
+
+Automatically rebuild and restart the application when source files change.
+CONFIG+=dev will be passed to qmake, see mirage.pro.
+The application will be launched with `-name dev`, which sets the first
+part of the WM_CLASS as returned by xprop on Linux.
+
+Use `pip3 install --user -U requirements-dev.txt` before running this."""
+
+import subprocess
+import sys
+from pathlib import Path
+from shutil import get_terminal_size
+
+from watchgod import DefaultWatcher, run_process
+
+SCRIPT_DIR = Path(__file__).parent
+
+
+class Watcher(DefaultWatcher):
+    ignored_dirs = (
+        *DefaultWatcher.ignored_dirs, "build", "packaging", "config", "themes",
+    )
+
+    ignored_file_regexes = (
+        *DefaultWatcher.ignored_file_regexes,
+        r".*\.md$",
+        r"^tags$",
+        r"^COPYING(\.LESSER)?$",
+        r"^requirements.*\.txt$",
+        r"^Makefile$",
+        r"^\.qmake\.stash$",
+        r"^mirage$",
+        r"^autoreload\.py$",
+    )
+
+
+def run_app(args=sys.argv[1:]) -> None:
+    print("\n\x1b[36m", "─" * get_terminal_size().columns, "\x1b[0m\n", sep="")
+
+    try:
+        subprocess.run(("qmake", "mirage.pro", "CONFIG+=dev"), cwd=SCRIPT_DIR)
+        subprocess.run("make", cwd=SCRIPT_DIR)
+        p = subprocess.run(("./mirage", "-name", "dev", *args), cwd=SCRIPT_DIR)
+
+        if p.returncode != 0:
+            print(f"App exited with code {p.returncode}")
+    except KeyboardInterrupt:
+        pass
+
+
+if __name__ == "__main__":
+    if len(sys.argv) > 2 and sys.argv[1] in ("-h", "--help"):
+        print(__doc__)
+    else:
+        subprocess.run(("make", "clean"), cwd=SCRIPT_DIR)
+        run_process(SCRIPT_DIR, run_app, watcher_cls=Watcher, callback=print)