refactor(shell): nixify 'fzf' config

dots/.bashrc

@@ -5,8 +5,7 @@
 
 . /etc/os-release
 
-# Editor & prompt configuration
-[ -f "$HOME/.bashrc.d/editor" ] && . "$HOME/.bashrc.d/editor"
+# Prompt configuration
 [ -f "$HOME/.bashrc.d/prompt" ] && . "$HOME/.bashrc.d/prompt"
 
 # Aliases {{{
@@ -31,24 +30,6 @@ done
 [ -f "$HOME/.bashrc.d/prompt" ] && . "$HOME/.bashrc.d/prompt"
 # }}}
 
-# Path {{{
-# Add ~/.bin to PATH
-export PATH=~/.bin:$PATH
-# }}}
-
-# History {{{
-export HISTSIZE=999999
-export HISTFILESIZE= # Unlimited
-export HISTCONTROL=ignoreboth:erasedups
-export HISTIGNORE=" *:clear:l:ls:cd" # Omit commands from history (e.g. those prepended with space)
-# }}}
-
-# Man pages {{{
-# See `:h :Man` in NeoVim
-export MANWIDTH=80
-export PAGER=nvimpager
-# }}}
-
 # X11 {{{
 export XDG_SESSION_TYPE=X11
 export XDG_CONFIG_HOME=$HOME/.config
@@ -58,16 +39,6 @@ export XDG_DATA_HOME=$HOME/.local/share
 # FZF {{{
 # Check if fzf is installed
 if [ -f "/usr/bin/fzf" ]; then
-  # Fuzzy finder setup
-  export FZF_COMPLETION_TRIGGER='**'
-  export FZF_DEFAULT_COMMAND='rg --files ""'
-  export FZF_DEFAULT_OPTS="
-  --pointer='❭'
-  --height 10%
-  --color=fg:-1,bg:-1"
-  export FZF_CTRL_T_COMMAND="${FZF_DEFAULT_COMMAND}"
-  export FZF_CTRL_T_OPTS="--preview='bat {} | head -500'"
-
   if [[ $ID == "raspbian" ]]; then
     . /usr/share/doc/fzf/examples/completion.bash
     . /usr/share/doc/fzf/examples/key-bindings.bash
@@ -82,10 +53,6 @@ else
 fi
 # }}}
 
-# Go {{{
-export GOPATH="${XDG_DATA_HOME}/go"
-# }}}
-
 # Jupyter {{{
 export JUPYTERLAB_DIR=$HOME/.local/share/jupyter/lab
 # }}}

dots/.bashrc.d/editor

@@ -1,7 +0,0 @@
-# shellcheck shell=bash
-# vim: set ft=bash :
-
-# Set NeoVim as default editor
-export EDITOR=nvim
-export SUDO_EDITOR="$EDITOR"
-export SYSTEMD_EDITOR="$EDITOR"

home/modules/go/default.nix

@@ -5,18 +5,18 @@
   ...
 }:
 
-let
-  cfg = config.go;
-in
 {
   options.go = {
     enable = lib.mkEnableOption "Go";
   };
 
-  config = lib.mkIf cfg.enable {
-    home.packages = with pkgs; [
+  config = lib.mkIf config.go.enable {
+    home = {
+      sessionVariables.GOPATH = "${config.xdg.dataHome}/go";
+      packages = with pkgs; [
         go
         gopls
       ];
     };
+  };
 }

home/modules/nvim/default.nix

@@ -6,15 +6,23 @@
   ...
 }:
 
-let
-  cfg = config.nvim;
-in
 {
   options.nvim.enable = lib.mkEnableOption "nvim";
 
-  config = lib.mkIf cfg.enable {
-    home.packages = [
+  config = lib.mkIf config.nvim.enable {
+    home = {
+      sessionVariables = {
+        EDITOR = "nvim";
+        SUDO_EDITOR = "nvim";
+        SYSTEMD_EDITOR = "nvim";
+
+        PAGER = "nvimpager";
+        MANWIDTH = "80";
+      };
+      packages = with pkgs; [
         inputs.nvim.packages.${pkgs.stdenv.hostPlatform.system}.nvim
+        nvimpager
       ];
     };
+  };
 }

home/modules/shell/bash.nix

@@ -37,6 +37,22 @@ in
     programs.bash = {
       enable = true;
       enableCompletion = true;
+
+      historySize = 999999;
+      historyFileSize = -1; # unlimited
+      historyControl = [
+        "ignoreboth"
+        "erasedups"
+      ];
+      # omit commands from history (e.g. those prepended with space)
+      historyIgnore = [
+        " *"
+        "clear"
+        "l"
+        "ls"
+        "cd"
+      ];
+
       initExtra = ''
         for f in /home/${username}/.bashrc.d/*; do
           [ -f "$f" ] && source "$f"
@@ -45,8 +61,6 @@ in
         ${lib.optionalString cfg.aliases.all "source /home/${username}/.bash_aliases/all"}
         ${lib.optionalString cfg.aliases.lang-js "source /home/${username}/.bash_aliases/lang-js"}
 
-        ${lib.optionalString cfg.addBinToPath "export PATH=${dotsPath}/.bin:$PATH"}
-
         ${cfg.extraInit}
       '';
     };
@@ -54,7 +68,6 @@ in
     home.file = {
       ".inputrc".source = dotsPath + "/.inputrc";
       ".bashrc.d/prompt".source = dotsPath + "/.bashrc.d/prompt";
-      ".bashrc.d/editor".source = dotsPath + "/.bashrc.d/editor";
     }
     // lib.optionalAttrs cfg.aliases.all {
       ".bash_aliases/all".source = dotsPath + "/.bash_aliases/all";
@@ -62,5 +75,6 @@ in
     // lib.optionalAttrs cfg.aliases.lang-js {
       ".bash_aliases/lang-js".source = dotsPath + "/.bash_aliases/lang-js";
     };
+    home.sessionPath = lib.optional cfg.addBinToPath "${dotsPath}/.bin";
   };
 }

home/modules/shell/utils.nix

@@ -10,6 +10,15 @@
     programs.fzf = {
       enable = true;
       enableBashIntegration = lib.mkDefault true;
+      defaultCommand = "rg --files";
+      defaultOptions = [
+        "--pointer='❭'"
+        "--height 10%"
+      ];
+      fileWidget = {
+        command = "rg --files";
+        options = [ "--preview 'bat {} | head -500'" ];
+      };
     };
 
     home.packages = with pkgs; [