vim: Configure fugitive-gitlab

hm/vim/git.nix

@@ -0,0 +1,26 @@
+{ pkgs, lib, config, ... }:
+{
+  config = {
+    programs.nixvim = {
+      extraConfigVim = ''
+        let g:fugitive_gitlab_domains = [${
+        lib.strings.concatStringsSep ", " (
+        map (d: "'${d}'") config.frogeye.vim.fugitive.gitlab_domains
+        )}]
+      '';
+      extraPlugins = with pkgs.vimPlugins; [
+        fugitive-gitlab-vim # Open files in GitLab
+      ];
+      plugins = {
+        fugitive.enable = true; # Git basics
+        gitsigns.enable = true; # Show changed lines in the gutter
+      };
+    };
+  };
+  options.frogeye.vim.fugitive = {
+    gitlab_domains = lib.mkOption {
+      default = { };
+      type = lib.types.listOf lib.types.str;
+    };
+  };
+}