support NixPkgs with nix profile

Author: running-grass

dependencies.json

@@ -14,6 +14,10 @@
     "wmctrl",
     "node"
   ],
+  "nix": [
+    "wmctrl",
+    "node"
+  ],
   "emerge": [
     "x11-misc/wmctrl",
     "dev-python/gssapi",

install-eaf.py

@@ -137,6 +137,8 @@ def install_sys_deps(distro: str, deps_list):
         command = ['doas', 'pkg', '-y', 'install']
     elif which("guix"):
         command = ['guix', 'install']
+    elif which("nix"):
+        command = ['nix', 'profile', 'install']
     elif which("zypper"):
         command = ['sudo', 'zypper', 'install','-y']
     command.extend(deps_list)
@@ -305,6 +307,8 @@ def get_distro():
         distro = "zypper"
     elif which("brew"):
         distro = "brew"
+    elif which("nix"):
+        distro = "nix"
     elif sys.platform == "linux":
         print("[EAF] Unsupported Linux distribution/package manager.")
         print(" Please see dependencies.json for list of dependencies.")