feat: update for darwin

scripts/darwin_set_proxy.py

@@ -0,0 +1,29 @@
+import os
+import plistlib
+import shlex
+import subprocess
+from pathlib import Path
+
+
+NIX_DAEMON_PLIST = Path("/Library/LaunchDaemons/org.nixos.nix-daemon.plist")
+NIX_DAEMON_NAME = "org.nixos.nix-daemon"
+# http proxy provided by clash
+HTTP_PROXY = "http://127.0.0.1:7890"
+
+pl = plistlib.loads(NIX_DAEMON_PLIST.read_bytes())
+
+# set http proxy
+pl["EnvironmentVariables"]["HTTP_PROXY"] = HTTP_PROXY
+pl["EnvironmentVariables"]["HTTPS_PROXY"] = HTTP_PROXY
+
+os.chmod(NIX_DAEMON_PLIST, 0o644)
+NIX_DAEMON_PLIST.write_bytes(plistlib.dumps(pl))
+os.chmod(NIX_DAEMON_PLIST, 0o444)
+
+# reload the plist
+for cmd in (
+	f"launchctl unload {NIX_DAEMON_NAME}",
+	f"launchctl load {NIX_DAEMON_NAME}",
+):
+    subprocess.run(shlex.split(cmd))
+