plugins/lastplace: add plugin + test (#322)

plugins/default.nix

@@ -74,6 +74,7 @@
     ./utils/harpoon.nix
     ./utils/indent-blankline.nix
     ./utils/intellitab.nix
+    ./utils/lastplace.nix
     ./utils/mark-radar.nix
     ./utils/neorg.nix
     ./utils/notify.nix

plugins/utils/lastplace.nix

@@ -0,0 +1,49 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.plugins.lastplace;
+  helpers = import ../helpers.nix {inherit lib;};
+in
+  with lib; {
+    options.plugins.lastplace =
+      helpers.extraOptionsOptions
+      // {
+        enable = mkEnableOption "lastplace";
+
+        package = helpers.mkPackageOption "lastplace" pkgs.vimPlugins.nvim-lastplace;
+
+        ignoreBuftype =
+          helpers.defaultNullOpts.mkNullable (types.listOf types.str)
+          ''["quickfix" "nofix" "help"]''
+          "The list of buffer types to ignore by lastplace.";
+
+        ignoreFiletype =
+          helpers.defaultNullOpts.mkNullable (types.listOf types.str)
+          ''["gitcommit" "gitrebase" "svn" "hgcommit"]''
+          "The list of file types to ignore by lastplace.";
+
+        openFolds =
+          helpers.defaultNullOpts.mkBool true
+          "Whether closed folds are automatically opened when jumping to the last edit position.";
+      };
+
+    config = let
+      options =
+        {
+          lastplace_ignore_buftype = cfg.ignoreBuftype;
+          lastplace_ignore_filetype = cfg.ignoreFiletype;
+          lastplace_open_folds = cfg.openFolds;
+        }
+        // cfg.extraOptions;
+    in
+      mkIf cfg.enable {
+        extraPlugins = [cfg.package];
+
+        extraConfigLua = ''
+          require('nvim-lastplace').setup(${helpers.toLuaObject options})
+        '';
+      };
+  }

tests/test-sources/plugins/utils/lastplace.nix

@@ -0,0 +1,16 @@
+{
+  empty = {
+    plugins.lastplace.enable = true;
+  };
+
+  # All the upstream default options of lastplace
+  defaults = {
+    plugins.lastplace = {
+      enable = true;
+
+      ignoreBuftype = ["quickfix" "nofix" "help"];
+      ignoreFiletype = ["gitcommit" "gitrebase" "svn" "hgcommit"];
+      openFolds = true;
+    };
+  };
+}