{pkgs, ...}: {
  programs.fish = {
    enable = true;
    interactiveShellInit = ''
      # Fix for fish 4.2.0+ embedded completions not loading with home-manager
      # See: https://github.com/nix-community/home-manager/issues/8178
      set -p fish_complete_path ${pkgs.fish}/share/fish/completions

      set -gx EDITOR hx
      set -gx GIT_EDITOR $EDITOR
      set -gx DEBEMAIL "tyler@tylermayoff.com"

      fish_add_path $HOME/.local/bin

      if test -e $HOME/.config/fish/variables-$(hostname).fish
        source $HOME/.config/fish/variables-$(hostname).fish
      end
      bind \cz 'fg 2>/dev/null; commandline -f repaint'

      export GPG_TTY=$(tty)

      # Git worktree functions
      function gwn --description "Create new worktree with new branch"
        # Show help if requested
        if test (count $argv) -eq 1; and string match -qr '^(-h|--help|help)$' $argv[1]
          echo "Usage: gwn <path> <branch-name> [base-branch]"
          echo ""
          echo "Create a new git worktree with a new branch"
          echo ""
          echo "Arguments:"
          echo "  path         Path where the worktree will be created"
          echo "  branch-name  Name of the new branch to create"
          echo "  base-branch  Optional base branch (will prompt with fzf if not provided)"
          echo ""
          echo "Examples:"
          echo "  gwn ../feature my-feature          # Interactive base branch selection"
          echo "  gwn ../feature my-feature main     # Create from main branch"
          return 0
        end

        if test (count $argv) -lt 2
          echo "Usage: gwn <path> <branch-name> [base-branch]"
          echo "Run 'gwn --help' for more information"
          return 1
        end

        set -l path $argv[1]
        set -l new_branch $argv[2]
        set -l base_branch ""

        # If base branch is provided, use it
        if test (count $argv) -ge 3
          set base_branch $argv[3]
        else
          # Otherwise, offer to select one with fzf
          echo "Select base branch (or press ESC to use current branch):"
          set base_branch (git branch --all | grep -v HEAD | sed 's/^[ *]*//' | sed 's/remotes\/origin\///' | sort -u | fzf --prompt="Base branch (ESC for current): " --height=40%)
        end

        if test -n "$base_branch"
          git worktree add -b $new_branch $path $base_branch
        else
          git worktree add -b $new_branch $path
        end
      end

      function gwnb --description "Create new worktree with new branch based on another branch"
        if test (count $argv) -lt 3
          echo "Usage: gwnb <path> <new-branch> <base-branch>"
          return 1
        end
        git worktree add -b $argv[2] $argv[1] $argv[3]
      end

      function gwc --description "Create worktree for existing branch"
        set -l branch $argv[1]
        set -l path $argv[1]

        # If no branch is specified, use fzf to select one
        if test (count $argv) -lt 1
          set branch (git branch --all | grep -v HEAD | sed 's/^[ *]*//' | sed 's/remotes\/origin\///' | sort -u | fzf --prompt="Select branch: " --height=40%)
          if test -z "$branch"
            echo "No branch selected"
            return 1
          end
          set path $branch
        end

        if test (count $argv) -ge 2
          set path $argv[2]
        end
        git worktree add $path $branch
      end

      function gwrm --description "Remove worktree and delete branch"
        if test (count $argv) -lt 1
          echo "Usage: gwrm <path>"
          return 1
        end
        set -l branch (git -C $argv[1] branch --show-current)
        git worktree remove $argv[1]
        and git branch -D $branch
      end

      function gwcd --description "CD to a worktree by selecting from list"
        set -l worktree (git worktree list | tail -n +2 | awk '{print $1}' | fzf)
        if test -n "$worktree"
          cd $worktree
        end
      end
    '';

    shellInit = ''
      set -gx EDITOR hx
      set -gx GIT_EDITOR $EDITOR
      set -gx DEBEMAIL "tyler@tylermayoff.com"

      set -xg XDG_DATA_DIRS "$HOME/.nix-profile/share:$XDG_DATA_DIRS"

      fish_add_path $HOME/.local/bin
      if test -e $HOME/.config/fish/variables-$(hostname)fish
        source $HOME/.config/fish/variables-$(hostname).fish
      end
    '';

    plugins = [
      {
        name = "forgit";
        src = pkgs.fishPlugins.forgit.src;
      }
    ];
  };
}