refactor: fonts (#194)

modules/base/system-packages.nix

@@ -0,0 +1,50 @@
+{pkgs, ...}: {
+  # for security reasons, do not load neovim's user config
+  # since EDITOR may be used to edit some critical files
+  environment.variables.EDITOR = "nvim --clean";
+
+  environment.systemPackages = with pkgs; [
+    # core tools
+    tealdeer # a very fast version of tldr
+    fastfetch
+    neovim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    just # justfile
+    nushell # nushell
+    git # used by nix flakes
+    git-lfs # used by huggingface models
+
+    # archives
+    zip
+    xz
+    zstd
+    unzipNLS
+    p7zip
+
+    # Text Processing
+    # Docs: https://github.com/learnbyexample/Command-line-text-processing
+    gnugrep # GNU grep, provides `grep`/`egrep`/`fgrep`
+    gnused # GNU sed, very powerful(mainly for replacing text in files)
+    gawk # GNU awk, a pattern scanning and processing language
+    jq # A lightweight and flexible command-line JSON processor
+
+    # networking tools
+    mtr # A network diagnostic tool
+    iperf3
+    dnsutils # `dig` + `nslookup`
+    ldns # replacement of `dig`, it provide the command `drill`
+    wget
+    curl
+    aria2 # A lightweight multi-protocol & multi-source command-line download utility
+    socat # replacement of openbsd-netcat
+    nmap # A utility for network discovery and security auditing
+    ipcalc # it is a calculator for the IPv4/v6 addresses
+
+    # misc
+    file
+    findutils
+    which
+    tree
+    gnutar
+    rsync
+  ];
+}