chore: drop the unused darwin proxy set script (#306)

The script pointed the macOS nix-daemon at the homelab v2ray HTTP proxy (192.168.5.101:7890), but that proxy was never running. Remove it together with the just darwin-set-proxy recipe and the README step that referenced it.

Justfile

@@ -147,12 +147,6 @@ niri mode="switch" verbosity="normal":
 brew-upgrade:
   brew upgrade --cask --greedy
 
-[macos]
-[group('desktop')]
-darwin-set-proxy:
-  sudo python3 scripts/darwin_set_proxy.py
-  sleep 1sec
-
 [macos]
 [group('desktop')]
 darwin-rollback:

README.md

@@ -137,7 +137,6 @@ For macOS (nix-darwin):
 # 2. prepare the deployment environment with essential packages available
 nix-shell -p just nushell
 # 3. comment home-manager's code in lib/macosSystem.nix to speed up the first deployment.
-# 4. comment out the proxy settings in scripts/darwin_set_proxy.py if the proxy is not ready yet.
 
 # Deploy the darwinConfiguration by hostname match (fern, frieren)
 just local

scripts/darwin_set_proxy.py

@@ -1,59 +0,0 @@
-"""
-  Set proxy for nix-daemon to speed up downloads
-  You can safely ignore this file if you don't need a proxy.
-                                                                                                                                                                                                                                                                                          
-  https://github.com/NixOS/nix/issues/1472#issuecomment-1532955973
-"""
-
-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 my homelab's bypass router
-HTTP_PROXY = "http://192.168.5.101:7890"
-
-PLIST = plistlib.loads(NIX_DAEMON_PLIST.read_bytes())
-
-
-def update_plist():
-    os.chmod(NIX_DAEMON_PLIST, 0o644)
-    NIX_DAEMON_PLIST.write_bytes(plistlib.dumps(PLIST))
-    os.chmod(NIX_DAEMON_PLIST, 0o444)
-
-
-def reload_daemon():
-    # reload the plist
-    for cmd in (
-        f"launchctl unload {NIX_DAEMON_PLIST}",
-        f"launchctl load {NIX_DAEMON_PLIST}",
-    ):
-        print(cmd)
-        subprocess.run(shlex.split(cmd), capture_output=False)
-
-
-def set_proxy():
-    # set http/https proxy
-    # NOTE: curl only accept the lowercase of `http_proxy`!
-    # NOTE: https://curl.se/libcurl/c/libcurl-env.html
-    PLIST["EnvironmentVariables"]["http_proxy"] = HTTP_PROXY
-    PLIST["EnvironmentVariables"]["https_proxy"] = HTTP_PROXY
-    update_plist()
-    reload_daemon()
-
-
-def unset_proxy():
-    # remove http proxy
-    PLIST["EnvironmentVariables"].pop("http_proxy", None)
-    PLIST["EnvironmentVariables"].pop("https_proxy", None)
-    update_plist()
-    reload_daemon()
-
-
-if __name__ == "__main__":
-    # set_proxy()
-    unset_proxy()