feat(nix): migrate fish shell and direnv to Nix

nix/darwin/default.nix

@@ -18,9 +18,16 @@
   };
   environment.systemPackages = [ pkgs.pinentry_mac ];
 
-  # Create /etc/zshrc that loads the nix-darwin environment.
-  programs.zsh.enable = true; # default shell on catalina
-  # programs.fish.enable = true;
+  # Shells
+  environment.shells = with pkgs; [
+    bash
+    zsh
+    fish
+  ];
+
+  programs.zsh.enable = true;
+  programs.fish.enable = true;
+  programs.bash.enable = true;
 
   # Used for backwards compatibility, please read the changelog before changing.
   # $ darwin-rebuild changelog

nix/darwin/homebrew-common.nix

@@ -7,22 +7,16 @@
     "homebrew/services" # Manage background services using the daemon manager launchctl on macOS or systemctl on Linux.
   ];
   brews = [
-    "bash" # TODO: Migrate to nix
     "cava" # Console-based Audio Visualizer for ALSA
     "fileicon" # macOS CLI for managing custom icons for files and folders
-    "fish" # TODO: Migrate to nix
     "gettext" # INFO: Dependency of Neovim
     "libiconv" # INFO: Dependency of nixpkgs_fmt
     "luajit" # INFO: Dependency of Neovim
     "neovim" # TODO: Migrate to nix
     "oatmeal" # Terminal UI to chat with large language models (LLM) using backends such as Ollama, and direct integrations with your favourite editor like Neovim!
     "prettier" # Code formatter for JavaScript, CSS, JSON, GraphQL, Markdown, YAML
-    "starship" # TODO: Migrate to nix
-    "tmux" # TODO: Migrate to nix
     "tree-sitter" # INFO: Dependency of Neovim
     "urlview" # URL extractor/launcher
-    "zsh" # TODO: Migrate to nix
-    "zsh-syntax-highlighting" # TODO: Migration to nix
   ];
   casks = [
     "affinity-designer" # Professional graphic design software
@@ -133,4 +127,3 @@
     "Yoink" = 457622435; # Drag and drop
   };
 }
-

nix/home/default.nix

@@ -13,7 +13,9 @@ in
     ./bat
     ./ctags
     ./curl
+    ./direnv
     ./editorconfig
+    ./fish
     ./fzf
     ./gh
     ./gh-dash
@@ -70,12 +72,14 @@ in
 
       # Volta
       VOLTA_HOME = "$HOME/.volta";
+
+      # Stable Diffusion
+      # VIRTUAL_ENV = "$HOME/Code/AI/stable-diffusion-webui/venv";
     };
 
     # Session Paths
     home.sessionPath = [
       # Personal scripts
-      "$HOME/.dotfiles/bin"
       "$HOME/.dotfiles/private/bin"
 
       # Homebrew
@@ -96,6 +100,9 @@ in
 
       # Volta
       "$VOLTA_HOME/bin"
+
+      # ASDF
+      "$HOME/.asdf/shims"
     ];
 
     # Let Home Manager install and manage itself.
@@ -137,6 +144,7 @@ in
       jq # Lightweight and flexible command-line JSON processor
       lynx # Text-mode web browser
       monolith # Bundle any web page into a single HTML file
+      nix-prefetch-git # Script used to obtain source hashes for fetchgit
       nixd # Nix language server
       nixpacks # App source + Nix packages + Docker = Image Resources
       nixpkgs-fmt # Nix code formatter
@@ -159,6 +167,7 @@ in
       woff2 # Webfont compression reference code
       yarn # Fast, reliable, and secure dependency management for javascript
       yt-dlp # Command-line tool to download videos from YouTube.com and other sites (youtube-dl fork)
+      zoxide # A faster way to navigate your filesystem
 
       # Programming Languages
       lua # Powerful, fast, lightweight, embeddable scripting language

nix/home/direnv/default.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+  };
+}

nix/home/fish/default.nix

@@ -0,0 +1,109 @@
+{ lib, pkgs, ... }:
+
+let
+  sharedAliases = import ../shared/shared-aliases.nix { inherit lib; };
+
+  # Function to read a file and return its contents as a string
+  readFile = file: builtins.readFile (./. + "/functions/${file}");
+
+  # List of function files
+  functionFiles = [
+    "dataUrl.fish"
+    "deleteNodeModules.fish"
+    "encodeBase64.fish"
+    "fcd.fish"
+    "fe.fish"
+    "fhcd.fish"
+    "fs.fish"
+    "fwt.fish"
+    "ghpr.fish"
+    "server.fish"
+    "unquarantine.fish"
+    "update.fish"
+  ];
+
+  # Create a set of functions, where each key is the function name (without .fish extension)
+  # and the value is the contents of the file
+  fishFunctions = builtins.listToAttrs (map
+    (file: {
+      name = lib.removeSuffix ".fish" file;
+      value = readFile file;
+    })
+    functionFiles
+  );
+in
+{
+  programs.fish = {
+    enable = true;
+
+    # Shell options
+    interactiveShellInit = ''
+      # Enable vi-mode key bindings
+      fish_vi_key_bindings
+
+      # Set environment variables
+      set -gx TERM wezterm
+    '';
+
+    shellAliases = sharedAliases.shellAliases;
+
+    functions = fishFunctions;
+
+    plugins = [
+      {
+        name = "autopair.fish";
+        src = pkgs.fetchFromGitHub {
+          owner = "jorgebucaran";
+          repo = "autopair.fish";
+          rev = "4d1752ff5b39819ab58d7337c69220342e9de0e2";
+          sha256 = "qt3t1iKRRNuiLWiVoiAYOu+9E7jsyECyIqZJ/oRIT1A=";
+        };
+      }
+      {
+        name = "replay.fish";
+        src = pkgs.fetchFromGitHub {
+          owner = "jorgebucaran";
+          repo = "replay.fish";
+          rev = "d2ecacd3fe7126e822ce8918389f3ad93b14c86c";
+          sha256 = "TzQ97h9tBRUg+A7DSKeTBWLQuThicbu19DHMwkmUXdg=";
+        };
+      }
+      {
+        name = "bass";
+        src = pkgs.fetchFromGitHub {
+          owner = "edc";
+          repo = "bass";
+          rev = "79b62958ecf4e87334f24d6743e5766475bcf4d0";
+          sha256 = "3d/qL+hovNA4VMWZ0n1L+dSM1lcz7P5CQJyy+/8exTc=";
+        };
+      }
+      {
+        name = "z";
+        src = pkgs.fetchFromGitHub {
+          owner = "jethrokuan";
+          repo = "z";
+          rev = "85f863f20f24faf675827fb00f3a4e15c7838d76";
+          sha256 = "+FUBM7CodtZrYKqU542fQD+ZDGrd2438trKM0tIESs0=";
+        };
+      }
+      {
+        name = "fish-lf-icons";
+        src = pkgs.fetchFromGitHub {
+          owner = "joshmedeski";
+          repo = "fish-lf-icons";
+          rev = "d1c47b2088e0ffd95766b61d2455514274865b4f";
+          sha256 = "6po/PYvq4t0K8Jq5/t5hXPLn80iyl3Ymx2Whme/20kc=";
+        };
+      }
+      {
+        name = "nix-env.fish";
+        src = pkgs.fetchFromGitHub {
+          owner = "lilyball";
+          repo = "nix-env.fish";
+          rev = "7b65bd228429e852c8fdfa07601159130a818cfa";
+          sha256 = "RG/0rfhgq6aEKNZ0XwIqOaZ6K5S4+/Y5EEMnIdtfPhk=";
+        };
+      }
+    ];
+  };
+}

nix/home/fish/functions/dataUrl.fish

@@ -0,0 +1,7 @@
+function dataUrl --description "Create a data URL from a file"
+    set mimeType (file -b --mime-type $argv)
+    if string match -r '^text/' $mimeType
+        set mimeType "$mimeType;charset=utf-8"
+    end
+    echo "data:$mimeType;base64,(openssl base64 -in $argv | tr -d '\n')"
+end

nix/home/fish/functions/deleteNodeModules.fish

@@ -0,0 +1,3 @@
+function deleteNodeModules --description "Delete all node_modules folders in a folder and subfolders"
+  find . -name "node_modules" -type d -exec rm -rf '{}' +
+end

nix/home/fish/functions/encodeBase64.fish

@@ -0,0 +1,3 @@
+function encodeBase64 --description "Encodes images in Base64"
+    uuencode -m $argv[1] /dev/stdout | sed 1d | sed '$d'
+end

nix/home/fish/functions/fcd.fish

@@ -0,0 +1,3 @@
+function fcd --description "cd into directory"
+    cd (find * -type d | fzf --preview 'tree -C {} | head -50')
+end

nix/home/fish/functions/fe.fish

@@ -0,0 +1,10 @@
+# fe [FUZZY PATTERN] - Open the selected file with the default editor
+#   - Bypass fuzzy finder if there's only one match (--select-1)
+#   - Exit if there's no match (--exit-0)
+function fe --description "Open the selected file with the default editor"
+    set files (fzf-tmux --query=$argv --multi --select-1 --exit-0 | string split \n)
+
+    if test -n "$files"
+        $EDITOR $files; and true # This line is added to prevent failure when using "set -e" in shell.
+    end
+end

nix/home/fish/functions/fhcd.fish

@@ -0,0 +1,4 @@
+function fhcd --description "Jump to home directory and search for directories"
+    cd $HOME
+    cd (find * -type d | fzf --preview 'tree -C {} | head -50')
+end

nix/home/fish/functions/fs.fish

@@ -0,0 +1,13 @@
+function fs --description "Determine size of a file or total size of a directory"
+    if du -b /dev/null >/dev/null 2>&1
+        set arg -sbh
+    else
+        set arg -sh
+    end
+
+    if test -n "$argv"
+        du $arg -- $argv
+    else
+        du $arg .[^.]* *
+    end
+end

nix/home/fish/functions/fwt.fish

@@ -0,0 +1,3 @@
+function fwt --description "Jump to Git worktree directory"
+    cd (git worktree list | awk '{print $1}' | fzf)
+end

nix/home/fish/functions/ghpr.fish

@@ -0,0 +1,4 @@
+function ghpr --description "Search and preview GitHub pull requests"
+  set -l GH_FORCE_TTY 100%
+  gh pr list | fzf --ansi --preview 'GH_FORCE_TTY=100% gh pr view {1}' --preview-window down --header-lines 3 | awk '{print $1}' | xargs gh pr checkout
+end

nix/home/fish/functions/server.fish

@@ -0,0 +1,3 @@
+function server --description "Run a server with browser-sync"
+    browser-sync start --server --files "**"
+end

nix/home/fish/functions/unquarantine.fish

@@ -0,0 +1,5 @@
+function unquarantine --description "Manually remove a downloaded app or file from the quarantine"
+    for attribute in com.apple.metadata:kMDItemDownloadedDate com.apple.metadata:kMDItemWhereFroms com.apple.quarantine
+        xattr -r -d "$attribute" $argv
+    end
+end

nix/home/fish/functions/update.fish

@@ -0,0 +1,13 @@
+function update --description "Updating Homebrew, Ruby, Python, Node.js, Neovim, and MacOS"
+    sudo -v
+    brew update && brew outdated && brew upgrade && brew cleanup
+    sudo gem update --system && sudo gem update && gem cleanup all
+    pip install --upgrade pip
+    pip list -o --format columns | cut -d' ' -f1 | xargs -n1 pip install -U
+    pnpm update -g
+    ~/.tmux/plugins/tpm/bin/update_plugins all
+    gh extension upgrade --all
+    fisher update
+    nvim --headless "+Lazy! sync" +qa
+    # sudo softwareupdate -i -a
+end

nix/home/shared/shared-aliases.nix

@@ -0,0 +1,102 @@
+{ lib, ... }:
+
+let
+  mkAliases = lib.mapAttrs (name: value: lib.mkForce value);
+in
+{
+  shellAliases = mkAliases {
+    # ZSH
+    zshconfig = "vim $HOME/.zshrc";
+    reload = "source $HOME/.zshrc";
+
+    # Folders/Lists
+    "..." = "cd ../..";
+    ".." = "cd ..";
+    "cd.." = "cd ..";
+    ls = "eza --git --group-directories-first --icons";
+    ll = "eza -l --git --group-directories-first --icons";
+    lt = "eza --git --group-directories-first --icons --tree";
+    lla = "ll -a";
+    mkdir = "mkdir -p";
+    pn = "pnpm";
+    px = "pnpx";
+
+    # Git
+    ga = "git add";
+    gb = "git branch";
+    gba = "git branch -a";
+    gc = "git commit -v";
+    gca = "git commit -v -a";
+    gcam = "git commit --amend";
+    gcan = "git commit --amend --no-edit";
+    gd = "git diff -- . ':(exclude)yarn.lock'";
+    gdc = "git diff --cached";
+    gdh = "git diff head";
+    gdt = "git difftool";
+    gfa = "git fetch --all";
+    gg = "git log";
+    ghi = "git hist";
+    gl = "git pull";
+    glr = "git pull --rebase";
+    glu = "git config user.name 'Stefan Imhoff' && git config user.email 'gpg@kogakure.8shield.net' && git config user.signingkey '7A7253E8!'";
+    glx = "git config user.name 'Stefan Imhoff' && git config user.email 'stefan.imhoff@xing.com' && git config user.signingkey '73C3E2E3!'";
+    gmb = "git merge-base master HEAD";
+    gp = "git push";
+    gpf = "git push --force-with-lease";
+    gpp = "PATCHNAME=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`-`date '+%Y-%m-%d-%H%M.patch'`; git diff --full-index master > ../patches/$PATCHNAME";
+    gpu = "git push -u origin HEAD";
+    gpv = "git push --no-verify";
+    grb = "git rebase master";
+    grbc = "git rebase --continue";
+    grbi = "git rebase -i ";
+    grbs = "git rebase --skip";
+    gru = "git remote update";
+    gsb = "git show-branch";
+    gsl = "git submodule foreach git pull";
+    gst = "git status -sb";
+    gsu = "git submodule update";
+    gu = "git up";
+    gw = "git whatchanged";
+    gwp = "git whatchanged -p";
+    gwa = "git worktree add"; # <folder> <branch/hash>
+    gwl = "git worktree list";
+    gwr = "git worktree remove"; # <path/name>
+    lg = "lazygit";
+
+    # Vim
+    v = "vim";
+    vim = "nvim";
+
+    # Tmux
+    t = "tmux";
+    ta = "tmux attach";
+
+    # Nix
+    nxs = "darwin-rebuild switch --flake ~/.dotfiles/nix";
+
+    # Bat
+    cat = "bat";
+
+    # TLDR
+    tldrf = "tldr --list --single-column | fzf --preview \"tldr --color=always {1}\" --preview-window=right,70% | xargs tldr";
+
+    # Can't remember the fork name
+    youtube-dl = "yt-dlp";
+
+    # Dotfiles folder
+    dotfiles = "cd ~/.dotfiles";
+
+    # iCloud
+    icloud = "cd ~/Library/Mobile\\ Documents/com~apple~CloudDocs";
+
+    # Recursively delete `.DS_Store` files
+    cleanup = "find . -type f -name '*.DS_Store' -ls -delete";
+
+    # Clear the screen
+    c = "clear";
+
+    # Empty the Trash on all mounted volumes and the main HDD
+    # Also, clear Apple's System Logs to improve shell startup speed
+    emptytrash = "sudo rm -rfv /Volumes/*/.Trashes; sudo rm -rfv ~/.Trash; sudo rm -rfv /private/var/log/asl/*.asl";
+  };
+}

nix/home/zsh/default.nix

@@ -6,6 +6,7 @@ let
     text = builtins.readFile ./_cht;
     destination = "/share/zsh/site-functions/_cht";
   };
+  sharedAliases = import ../shared/shared-aliases.nix { inherit lib; };
 in
 {
   programs.zsh = {
@@ -13,107 +14,16 @@ in
     enableCompletion = true;
     autosuggestion.enable = true;
     syntaxHighlighting.enable = true;
-    shellAliases = {
-      # ZSH
-      zshconfig = "vim $HOME/.zshrc";
-      reload = "source $HOME/.zshrc";
-
-      # Folders
-      "..." = "cd ../..";
-      ".." = "cd ..";
-      "cd.." = "cd ..";
-      ls = "eza --git --group-directories-first --icons";
-      ll = "eza -l --git --group-directories-first --icons";
-      lla = "ll -a";
-      mkdir = "mkdir -p";
-
-      # Git aliases
-      ga = "git add";
-      gb = "git branch";
-      gba = "git branch -a";
-      gc = "git commit -v";
-      gca = "git commit -v -a";
-      gcam = "git commit --amend";
-      gcan = "git commit --amend --no-edit";
-      gd = "git diff -- . ':(exclude)yarn.lock'";
-      gdc = "git diff --cached";
-      gdh = "git diff head";
-      gdt = "git difftool";
-      gfa = "git fetch --all";
-      gg = "git log";
-      ghi = "git hist";
-      gl = "git pull";
-      glr = "git pull --rebase";
-      gp = "git push";
-      gpf = "git push --force-with-lease";
-      gpu = "git push -u origin HEAD";
-      gpv = "git push --no-verify";
-      grb = "git rebase master";
-      grbc = "git rebase --continue";
-      grbi = "git rebase -i ";
-      grbs = "git rebase --skip";
-      gru = "git remote update";
-      gsb = "git show-branch";
-      gsl = "git submodule foreach git pull";
-      gst = "git status -sb";
-      gsu = "git submodule update";
-      gu = "git up";
-      gw = "git whatchanged";
-      gwp = "git whatchanged -p";
-      lg = "lazygit";
-
-      # Vim
-      v = "vim";
-      vim = "nvim";
-
-      # Tmux
-      t = "tmux";
-      tn = "tmux new -s $(pwd | sed 's/.*\///g')";
-
-      # Bat
-      cat = "bat";
-
-      # TLDR
-      tldrf = "tldr --list --single-column | fzf --preview \"tldr --color=always {1}\" --preview-window=right,70% | xargs tldr";
-
-      # iA Writer
-      ia = "open $1 -a /Applications/iA\\ Writer.app";
-
-      # Dotfiles folder
-      dotfiles = "cd $HOME/.dotfiles";
-
-      # iCloud
-      icloud = "cd $HOME/Library/Mobile\\ Documents/com~apple~CloudDocs";
-
-      # Get week number
-      week = "date +%V";
-
-      # Stopwatch
-      timer = "echo \"Timer started. Stop with Ctrl-D.\" && date && time cat && date";
-
-      # IP addresses
-      ip = "dig +short myip.opendns.com @resolver1.opendns.com";
-
-      # Flush Directory Service cache
-      flush = "dscacheutil -flushcache && killall -HUP mDNSResponder";
-
-      # Recursively delete `.DS_Store` files
-      cleanup = "find . -type f -name '*.DS_Store' -ls -delete";
-
-      # Clear the screen
-      c = "clear";
-
-      # Empty the Trash on all mounted volumes and the main HDD
-      # Also, clear Apple’s System Logs to improve shell startup speed
-      emptytrash = "sudo rm -rfv /Volumes/*/.Trashes; sudo rm -rfv ~/.Trash; sudo rm -rfv /private/var/log/asl/*.asl";
-    };
+    shellAliases = sharedAliases.shellAliases;
     initExtra = builtins.readFile ./zshrc.sh;
+
     plugins = [
       {
         name = "cht-completion";
         src = chtCompletionScript;
       }
     ];
+
     antidote = {
       enable = true;
       plugins = [