From 2d143e6256e96ebe0aca405732e6bf1f164b684b Mon Sep 17 00:00:00 2001
From: Jonni Liljamo <jonni@liljamo.com>
Date: Mon, 8 Dec 2025 20:04:54 +0200
Subject: [PATCH] feat: shell

---
 modules/shell.nix | 78 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 modules/shell.nix

diff --git a/modules/shell.nix b/modules/shell.nix
new file mode 100644
index 0000000..d053bac
--- /dev/null
+++ b/modules/shell.nix
@@ -0,0 +1,78 @@
+/*
+Opinionated shell environment.
+*/
+{
+  flake.modules.nixos.shell = {pkgs, ...}: {
+    environment.systemPackages = with pkgs; [
+      btop
+      carapace
+      elvish
+      fd
+      ripgrep
+      silicon
+      sl
+    ];
+
+    programs.direnv = {
+      enable = true;
+      nix-direnv.enable = true;
+      silent = true;
+    };
+  };
+
+  flake.modules.homeManager.shell = {...}: {
+    home.file = {
+      ".config/elvish/lib/direnv.elv" = {
+        executable = true;
+        text = ''
+          ## Hook for direnv as of direnv 2.34.0
+          set @edit:before-readline = $@edit:before-readline {
+            try {
+              var m = [("direnv" export elvish | from-json)]
+              if (> (count $m) 0) {
+                set m = (all $m)
+                keys $m | each { |k|
+                  if $m[$k] {
+                    set-env $k $m[$k]
+                  } else {
+                    unset-env $k
+                  }
+                }
+              }
+            } catch e {
+              echo $e
+            }
+          }
+        '';
+      };
+      ".config/elvish/rc.elv" = {
+        executable = true;
+        text = ''
+          #!/usr/bin/env elvish
+          use direnv
+          eval (starship init elvish)
+          eval (carapace _carapace|slurp)
+        '';
+      };
+    };
+    programs.bash = {
+      enable = true;
+      bashrcExtra = ''
+        eval "$(direnv hook bash)"
+        eval "$(starship init bash)"
+      '';
+    };
+    programs.starship = {
+      enable = true;
+      settings = {
+        add_newline = false;
+        scan_timeout = 10;
+        shell = {
+          disabled = false;
+          bash_indicator = "bsh";
+          elvish_indicator = "elv";
+        };
+      };
+    };
+  };
+}
-- 
2.44.1