nixos/pay-respects: init module

Signed-off-by: Fernando Rodrigues <alpha@sigmasquadron.net>

nixos/doc/manual/release-notes/rl-2411.section.md

@@ -115,6 +115,8 @@
 
 - [Eintopf](https://eintopf.info), a community event and calendar web application. Available as [services.eintopf](options.html#opt-services.eintopf.enable).
 
+- [`pay-respects`](https://codeberg.org/iff/pay-respects), a terminal command correction program, alternative to `thefuck`, written in Rust. Available as [programs.pay-respects](options.html#opt-programs.pay-respects).
+
 - [Radicle](https://radicle.xyz), an open source, peer-to-peer code collaboration stack built on Git. Available as [services.radicle](#opt-services.radicle.enable).
 
 - [ddns-updater](https://github.com/qdm12/ddns-updater), a service with a WebUI to update DNS records periodically for many providers. Available as [services.ddns-updater](#opt-services.ddns-updater.enable).

nixos/modules/programs/pay-respects.nix

@@ -0,0 +1,56 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  inherit (lib)
+    getExe
+    maintainers
+    mkEnableOption
+    mkIf
+    mkOption
+    types
+    ;
+  inherit (types) str;
+  cfg = config.programs.pay-respects;
+
+  initScript =
+    shell:
+    if (shell != "fish") then
+      ''
+        eval $(${getExe pkgs.pay-respects} ${shell} --alias ${cfg.alias})
+      ''
+    else
+      ''
+        ${getExe pkgs.pay-respects} ${shell} --alias ${cfg.alias} | source
+      '';
+in
+{
+  options = {
+    programs.pay-respects = {
+      enable = mkEnableOption "pay-respects, an app which corrects your previous console command";
+
+      alias = mkOption {
+        default = "f";
+        type = str;
+        description = ''
+          `pay-respects` needs an alias to be configured.
+          The default value is `f`, but you can use anything else as well.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ pkgs.pay-respects ];
+
+    programs = {
+      bash.interactiveShellInit = initScript "bash";
+      fish.interactiveShellInit = mkIf config.programs.fish.enable initScript "fish";
+      zsh.interactiveShellInit = mkIf config.programs.zsh.enable initScript "zsh";
+    };
+  };
+  meta.maintainers = with maintainers; [ sigmasquadron ];
+}