buildVimPlugin: add vimCommandCheckHook

Modeled after pythonImportCheckHook, this checks a command can be run once the plugin is installed

pkgs/applications/editors/vim/plugins/build-vim-plugin.nix

···
 { lib, stdenv
 , rtpPath
 , vim
+, vimCommandCheckHook
 , vimGenDocHook
 }:
 
···
       forceShare= [ "man" "info" ];
 
       nativeBuildInputs = attrs.nativeBuildInputs or []
+      ++ [ vimCommandCheckHook ]
       ++ lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) vimGenDocHook;
       inherit unpackPhase configurePhase buildPhase addonInfo preInstall postInstall;
 

pkgs/applications/editors/vim/plugins/default.nix

···
 
 let
 
-  inherit (vimUtils.override {inherit vim;}) buildVimPluginFrom2Nix vimGenDocHook;
+  inherit (vimUtils.override {inherit vim;}) buildVimPluginFrom2Nix vimGenDocHook vimCommandCheckHook;
 
   inherit (lib) extends;
 
···
     toVimPlugin = drv:
       drv.overrideAttrs(oldAttrs: {
 
-        nativeBuildInputs = oldAttrs.nativeBuildInputs or [] ++ [ vimGenDocHook ];
+        nativeBuildInputs = oldAttrs.nativeBuildInputs or [] ++ [
+          vimGenDocHook
+          vimCommandCheckHook
+        ];
         passthru = (oldAttrs.passthru or {}) // {
           vimPlugin = true;
         };

pkgs/applications/editors/vim/plugins/overrides.nix

···
         --replace "code-minimap" "${code-minimap}/bin/code-minimap"
     '';
 
-    doCheck = true;
-    checkPhase = ''
-      ${neovim-unwrapped}/bin/nvim -n -u NONE -i NONE -V1 --cmd "set rtp+=$out" --cmd "runtime! plugin/*.vim" -c "MinimapToggle"  +quit!
-    '';
-
+    doInstallCheck = true;
+    vimCommandCheck = "MinimapToggle";
   });
 
   ncm2 = super.ncm2.overrideAttrs (old: {

pkgs/applications/editors/vim/plugins/vim-command-check-hook.sh

···
+# Setup hook for checking whether a vim command exists
+echo "Sourcing vim-command-check-hook.sh"
+
+vimCommandCheckHook () {
+    echo "Executing vimCommandCheckHook"
+
+    if [ -n "$vimCommandCheck" ]; then
+        echo "Check whether the following modules can be imported: $vimCommandCheck"
+
+		# editorconfig-checker-disable
+        export HOME="$TMPDIR"
+        @vimBinary@ -es -n -u NONE -i NONE --clean -V1 --cmd "set rtp+=$out" \
+			--cmd "runtime! plugin/*.vim"  <<-EOF
+			if exists(":$vimCommandCheck") == 2
+				cquit 0
+			else
+				cquit 1
+			fi
+			EOF
+    fi
+}
+
+echo "Using vimCommandCheckHook"
+preDistPhases+=" vimCommandCheckHook"
+

pkgs/applications/editors/vim/plugins/vim-utils.nix

···
       };
     } ./vim-gen-doc-hook.sh) {};
 
-  inherit (import ./build-vim-plugin.nix { inherit lib stdenv rtpPath vim vimGenDocHook; })
-    buildVimPlugin buildVimPluginFrom2Nix;
+  vimCommandCheckHook = callPackage ({ neovim-unwrapped }:
+    makeSetupHook {
+      name = "vim-command-check-hook";
+      deps = [ neovim-unwrapped ];
+      substitutions = {
+        vimBinary = "${neovim-unwrapped}/bin/nvim";
+        inherit rtpPath;
+      };
+    } ./vim-command-check-hook.sh) {};
+
+  inherit (import ./build-vim-plugin.nix {
+    inherit lib stdenv rtpPath vim vimGenDocHook vimCommandCheckHook;
+  }) buildVimPlugin buildVimPluginFrom2Nix;
 
   # used to figure out which python dependencies etc. neovim needs
   requiredPlugins = {