init

modules/nushell.nix

@@ -0,0 +1,113 @@
+{ lib, pkgs, ... }: {
+  programs = {
+    nushell = {
+      enable = true;
+      # The config.nu can be anywhere you want if you like to edit your Nushell with Nu
+      #configFile.source = ./.../config.nu;
+      # for editing directly to config.nu 
+      extraConfig = ''
+        # Common ls aliases and sort them by type and then name
+        # Inspired by https://github.com/nushell/nushell/issues/7190
+        def lla [...args] { ls -la ...(if $args == [] {["."]} else {$args}) | sort-by type name -i }
+        def la  [...args] { ls -a  ...(if $args == [] {["."]} else {$args}) | sort-by type name -i }
+        def ll  [...args] { ls -l  ...(if $args == [] {["."]} else {$args}) | sort-by type name -i }
+        def l   [...args] { ls     ...(if $args == [] {["."]} else {$args}) | sort-by type name -i }
+
+        # Completions
+        # mainly pieced together from https://www.nushell.sh/cookbook/external_completers.html
+
+        # carapce completions https://www.nushell.sh/cookbook/external_completers.html#carapace-completer
+        # + fix https://www.nushell.sh/cookbook/external_completers.html#err-unknown-shorthand-flag-using-carapace
+        # enable the package and integration bellow
+        let carapace_completer = {|spans: list<string>|
+          carapace $spans.0 nushell ...$spans
+          | from json
+          | if ($in | default [] | where value == $"($spans | last)ERR" | is-empty) { $in } else { null }
+        }
+        # some completions are only available through a bridge
+        # eg. tailscale
+        # https://carapace-sh.github.io/carapace-bin/setup.html#nushell
+        $env.CARAPACE_BRIDGES = 'zsh,fish,bash,inshellisense'
+
+        # fish completions https://www.nushell.sh/cookbook/external_completers.html#fish-completer
+        let fish_completer = {|spans|
+          ${
+            lib.getExe pkgs.fish
+          } --command $'complete "--do-complete=($spans | str join " ")"'
+          | $"value(char tab)description(char newline)" + $in
+          | from tsv --flexible --no-infer
+        }
+
+        # zoxide completions https://www.nushell.sh/cookbook/external_completers.html#zoxide-completer
+        let zoxide_completer = {|spans|
+            $spans | skip 1 | zoxide query -l ...$in | lines | where {|x| $x != $env.PWD}
+        }
+
+        # multiple completions
+        # the default will be carapace, but you can also switch to fish
+        # https://www.nushell.sh/cookbook/external_completers.html#alias-completions
+        let multiple_completers = {|spans|
+          ## alias fixer start https://www.nushell.sh/cookbook/external_completers.html#alias-completions
+          let expanded_alias = scope aliases
+          | where name == $spans.0
+          | get -i 0.expansion
+
+          let spans = if $expanded_alias != null {
+            $spans
+            | skip 1
+            | prepend ($expanded_alias | split row ' ' | take 1)
+          } else {
+            $spans
+          }
+          ## alias fixer end
+
+          match $spans.0 {
+            __zoxide_z | __zoxide_zi => $zoxide_completer
+            _ => $carapace_completer
+          } | do $in $spans
+        }
+
+        $env.config = {
+          show_banner: false,
+          completions: {
+            case_sensitive: false # case-sensitive completions
+            quick: true           # set to false to prevent auto-selecting completions
+            partial: true         # set to false to prevent partial filling of the prompt
+            algorithm: "fuzzy"    # prefix or fuzzy
+            external: {
+              # set to false to prevent nushell looking into $env.PATH to find more suggestions
+              enable: true 
+              # set to lower can improve completion performance at the cost of omitting some options
+              max_results: 100 
+              completer: $multiple_completers
+            }
+          }
+        } 
+        $env.PATH = ($env.PATH | 
+          split row (char esep) |
+          prepend /home/myuser/.apps |
+          append /usr/bin/env
+        )
+      '';
+
+      shellAliases = {
+        fg = "job unfreeze";
+        nano = "hx";
+        vi = "hx";
+        nvim = "hx";
+        vim = "hx";
+        devenv-init = "nix flake init --template github:cachix/devenv";
+        devenv-enter = "nix develop --impure";
+        rust-init = "nix flake init --template templates#rust";
+        c-init = "nix flake init --template templates#c-hello";
+        go-hello = "nix flake init --template templates#go-hello";
+        haskell-hello = "nix flake init --template templates#haskell-hello";
+        neofetch = "hyfetch";
+      };
+    };
+    carapace.enable = true;
+    carapace.enableNushellIntegration = true;
+
+    starship = { enable = true; };
+  };
+}