feat: add comments, format all nix files

home/linux/base/alacritty/default.nix

@@ -7,4 +7,4 @@
 
   xdg.configFile."alacritty/alacritty.yml".source = ./alacritty.yml;
   xdg.configFile."alacritty/theme_github_dark.yml".source = ./theme_github_dark.yml;
-}
+}

home/linux/base/development.nix

@@ -1,11 +1,11 @@
-{config, pkgs, nil, ...}: 
+{ config, pkgs, nil, ... }:
 
 {
   home.packages = with pkgs; [
-    nil.packages."${pkgs.system}".default  # nix language server
+    nil.packages."${pkgs.system}".default # nix language server
 
     # GUI IDE
-    insomnia                     # REST client
+    insomnia # REST client
 
     # need to run `conda-install` before using it
     # need to run `conda-shell` before using command `conda`
@@ -33,4 +33,4 @@
   programs.gh = {
     enable = true;
   };
-}
+}

home/linux/base/shell.nix

@@ -1,10 +1,11 @@
-{config, ...}: 
+{ config, ... }:
 
 let
   d = config.xdg.dataHome;
   c = config.xdg.configHome;
   cache = config.xdg.cacheHome;
-in rec {
+in
+rec {
   # add environment variables
   systemd.user.sessionVariables = {
     # clean up ~
@@ -29,4 +30,4 @@ in rec {
   };
 
   home.sessionVariables = systemd.user.sessionVariables;
-}
+}

home/linux/base/ssh.nix

@@ -1,6 +1,5 @@
-{
-  pkgs,
-  ...
+{ pkgs
+, ...
 }: {
   programs.ssh = {
     enable = true;
@@ -36,4 +35,4 @@
     # check imported keys by `ssh-add -l`
     # TODO `ssh-add` can only add keys temporary, use gnome-keyring to unlock all keys after login.
   };
-}
+}

home/linux/base/system-tools.nix

@@ -1,31 +1,31 @@
-{pkgs, config, ...}: 
+{ pkgs, config, ... }:
 
 
 {
   # Linux Only Packages, not available on Darwin
   home.packages = with pkgs; [
-    btop  # replacement of htop/nmon
+    btop # replacement of htop/nmon
     htop
     iotop
     nmon
 
     ## networking tools
-    wireguard-tools  # manage wireguard vpn manually, via wg-quick
+    wireguard-tools # manage wireguard vpn manually, via wg-quick
     iftop
 
     # misc
     libnotify
 
     # system call monitoring
-    strace  # system call monitoring
-    ltrace  # library call monitoring
-    lsof    # list open files
+    strace # system call monitoring
+    ltrace # library call monitoring
+    lsof # list open files
 
     # system tools
     ethtool
     sysstat
-    lm_sensors  # for `sensors` command
-    cifs-utils  # for mounting windows shares
+    lm_sensors # for `sensors` command
+    cifs-utils # for mounting windows shares
   ];
 
   # auto mount usb drives

home/linux/base/xdg.nix

@@ -2,10 +2,10 @@
 # It's a bunch of specifications from freedesktop.org intended to standardize desktops and 
 # other GUI applications on various systems (primarily Unix-like) to be interoperable: 
 #   https://www.freedesktop.org/wiki/Specifications/
-{config, pkgs, ...}: 
+{ config, pkgs, ... }:
 {
   home.packages = with pkgs; [
-    xdg-utils  # provides cli tools such as `xdg-mime` `xdg-open`
+    xdg-utils # provides cli tools such as `xdg-mime` `xdg-open`
     xdg-user-dirs
   ];
 
@@ -22,13 +22,13 @@
     #  ls /etc/profiles/per-user/ryan/share/applications/
     mimeApps = {
       enable = true;
-      defaultApplications = 
+      defaultApplications =
         let
-          browser = ["firefox.desktop"];
+          browser = [ "firefox.desktop" ];
         in
         {
           "application/json" = browser;
-          "application/pdf" = browser;  # TODO: pdf viewer
+          "application/pdf" = browser; # TODO: pdf viewer
 
           "text/html" = browser;
           "text/xml" = browser;
@@ -48,18 +48,18 @@
           "x-scheme-handler/http" = browser;
           "x-scheme-handler/https" = browser;
           "x-scheme-handler/unknown" = browser;
-          
-          "x-scheme-handler/discord" = ["discord.desktop"];
-          "x-scheme-handler/tg" = ["telegramdesktop.desktop"];
 
-          "audio/*" = ["mpv.desktop"];
-          "video/*" = ["mpv.dekstop"];
-          "image/*" = ["imv.desktop"];
+          "x-scheme-handler/discord" = [ "discord.desktop" ];
+          "x-scheme-handler/tg" = [ "telegramdesktop.desktop" ];
+
+          "audio/*" = [ "mpv.desktop" ];
+          "video/*" = [ "mpv.dekstop" ];
+          "image/*" = [ "imv.desktop" ];
         };
 
       associations.removed =
         let
-          browser = ["google-chrome.desktop"];
+          browser = [ "google-chrome.desktop" ];
         in
         {
           "text/html" = browser;