Implement plugin management entirely using MoonScript/Lua

Also now implemented various ways of lazy-loading plugins, woo. Mostly
picked up the details for all this stuff by reading the source of
vim-plug.

Author: Shados

.gitignore

@@ -1,2 +1,3 @@
 # Explicit caching of manual/options.md rebuilds
 options.sha256
+scratch

.luacheckrc

@@ -0,0 +1,7 @@
+ignore = { "213", "631" }
+read_globals = {
+  "vim"
+}
+globals = {
+  "envy"
+}

docs/options.html

@@ -182,23 +182,6 @@ <h3 id="basevimplugins"><a class="header" href="#basevimplugins"><code>baseVimPl
 </div>
 </div>
 <div class="option">
-<h3 id="earlyconfig"><a class="header" href="#earlyconfig"><code>earlyConfig</code></a></h3>
-<div class="option_description">
-<p>Extra lines of <code>init.vim</code> configuration that need to be as early as possible in
-the file.</p>
-</div>
-<div class="option_properties">
-<ul>
-<li>
-<p><em>Type:</em> strings concatenated with &quot;\n&quot;</p>
-</li>
-<li>
-<p><em>Default:</em> <code>&quot;&quot;</code></p>
-</li>
-</ul>
-</div>
-</div>
-<div class="option">
 <h3 id="extrabinpackages"><a class="header" href="#extrabinpackages"><code>extraBinPackages</code></a></h3>
 <div class="option_description">
 <p>A list of derivations containing executables that need to be available in the
@@ -471,7 +454,7 @@ <h3 id="pluginregistry"><a class="header" href="#pluginregistry"><code>pluginReg
     enable = false;
     # Decide whether or not to load at run-time based on the result of
     # a VimL expression
-    nvimrc.condition = &quot;executable('moonc')&quot;;
+    condition = &quot;executable('moonc')&quot;;
   };
 
   vim-auto-save = {
@@ -483,7 +466,7 @@ <h3 id="pluginregistry"><a class="header" href="#pluginregistry"><code>pluginReg
   nerdtree = {
     enable = true;
     # Lazily load on command usage
-    on = &quot;NERDTreeToggle&quot;;
+    on_cmd = &quot;NERDTreeToggle&quot;;
     nvimrc.postPlugin = ''
       &quot; Prettify NERDTree
       let NERDTreeMinimalUI = 1
@@ -627,6 +610,26 @@ <h3 id="pluginregistrynamecommit"><a class="header" href="#pluginregistrynamecom
 </div>
 </div>
 <div class="option">
+<h3 id="pluginregistrynamecondition"><a class="header" href="#pluginregistrynamecondition"><code>pluginRegistry.&lt;name&gt;.condition</code></a></h3>
+<div class="option_description">
+<p>A VimL expression that will be evaluated to determine whether or not to execute
+the vim-plug 'Plug' command for this plugin (which will typically load the
+plugin, or configure it to be lazily loaded).</p>
+<p>Leave null in order to unconditionally always run the 'Plug' command for this
+plugin.</p>
+</div>
+<div class="option_properties">
+<ul>
+<li>
+<p><em>Type:</em> null or string</p>
+</li>
+<li>
+<p><em>Default:</em> <code>null</code></p>
+</li>
+</ul>
+</div>
+</div>
+<div class="option">
 <h3 id="pluginregistrynamedependencies"><a class="header" href="#pluginregistrynamedependencies"><code>pluginRegistry.&lt;name&gt;.dependencies</code></a></h3>
 <div class="option_description">
 <p>List of other vim plugins that are dependencies of this plugin.</p>
@@ -668,6 +671,24 @@ <h3 id="pluginregistrynamedir"><a class="header" href="#pluginregistrynamedir"><
 </div>
 </div>
 <div class="option">
+<h3 id="pluginregistrynameextraconfig"><a class="header" href="#pluginregistrynameextraconfig"><code>pluginRegistry.&lt;name&gt;.extraConfig</code></a></h3>
+<div class="option_description">
+<p>Extra lines of <code>init.vim</code> configuration associated with this plugin, that need
+to be executed after the plugin loading.</p>
+<p>Leave null if no such extra configuration is required.</p>
+</div>
+<div class="option_properties">
+<ul>
+<li>
+<p><em>Type:</em> null or strings concatenated with &quot;\n&quot;</p>
+</li>
+<li>
+<p><em>Default:</em> <code>null</code></p>
+</li>
+</ul>
+</div>
+</div>
+<div class="option">
 <h3 id="pluginregistrynamefor"><a class="header" href="#pluginregistrynamefor"><code>pluginRegistry.&lt;name&gt;.for</code></a></h3>
 <div class="option_description">
 <p>One or more filetypes that should trigger on-demand loading of this plugin.</p>
@@ -724,84 +745,27 @@ <h3 id="pluginregistrynamemergeable"><a class="header" href="#pluginregistryname
 </div>
 </div>
 <div class="option">
-<h3 id="pluginregistrynamenvimrccondition"><a class="header" href="#pluginregistrynamenvimrccondition"><code>pluginRegistry.&lt;name&gt;.nvimrc.condition</code></a></h3>
-<div class="option_description">
-<p>A VimL expression that will be evaluated to determine whether or not to execute
-the vim-plug 'Plug' command for this plugin (which will typically load the
-plugin, or configure it to be lazily loaded).</p>
-<p>Leave null in order to unconditionally always run the 'Plug' command for this
-plugin.</p>
-</div>
-<div class="option_properties">
-<ul>
-<li>
-<p><em>Type:</em> null or string</p>
-</li>
-<li>
-<p><em>Default:</em> <code>null</code></p>
-</li>
-</ul>
-</div>
-</div>
-<div class="option">
-<h3 id="pluginregistrynamenvimrcearly"><a class="header" href="#pluginregistrynamenvimrcearly"><code>pluginRegistry.&lt;name&gt;.nvimrc.early</code></a></h3>
+<h3 id="pluginregistrynameon_cmd"><a class="header" href="#pluginregistrynameon_cmd"><code>pluginRegistry.&lt;name&gt;.on_cmd</code></a></h3>
 <div class="option_description">
-<p>Extra lines of <code>init.vim</code> configuration associated with this plugin, that need
-to be as early as possible in the file.</p>
-<p>Leave null if no such extra configuration is required.</p>
-</div>
-<div class="option_properties">
-<ul>
-<li>
-<p><em>Type:</em> null or strings concatenated with &quot;\n&quot;</p>
-</li>
-<li>
-<p><em>Default:</em> <code>null</code></p>
-</li>
-</ul>
-</div>
-</div>
-<div class="option">
-<h3 id="pluginregistrynamenvimrcpostplugin"><a class="header" href="#pluginregistrynamenvimrcpostplugin"><code>pluginRegistry.&lt;name&gt;.nvimrc.postPlugin</code></a></h3>
-<div class="option_description">
-<p>Extra lines of <code>init.vim</code> configuration associated with this plugin, that need
-to be executed after the plugin loading.</p>
-<p>Leave null if no such extra configuration is required.</p>
-</div>
-<div class="option_properties">
-<ul>
-<li>
-<p><em>Type:</em> null or strings concatenated with &quot;\n&quot;</p>
-</li>
-<li>
-<p><em>Default:</em> <code>null</code></p>
-</li>
-</ul>
-</div>
-</div>
-<div class="option">
-<h3 id="pluginregistrynamenvimrcpreplugin"><a class="header" href="#pluginregistrynamenvimrcpreplugin"><code>pluginRegistry.&lt;name&gt;.nvimrc.prePlugin</code></a></h3>
-<div class="option_description">
-<p>Extra lines of <code>init.vim</code> configuration associated with this plugin, that need
-to be executed before the plugin loading.</p>
-<p>Leave null if no such extra configuration is required.</p>
+<p>One or more commands that should trigger on-demand loading of this plugin.</p>
+<p>Can be specified with either a single string or list of strings.</p>
 </div>
 <div class="option_properties">
 <ul>
 <li>
-<p><em>Type:</em> null or strings concatenated with &quot;\n&quot;</p>
+<p><em>Type:</em> string or list of strings</p>
 </li>
 <li>
-<p><em>Default:</em> <code>null</code></p>
+<p><em>Default:</em> <code>{}</code></p>
 </li>
 </ul>
 </div>
 </div>
 <div class="option">
-<h3 id="pluginregistrynameon"><a class="header" href="#pluginregistrynameon"><code>pluginRegistry.&lt;name&gt;.on</code></a></h3>
+<h3 id="pluginregistrynameon_map"><a class="header" href="#pluginregistrynameon_map"><code>pluginRegistry.&lt;name&gt;.on_map</code></a></h3>
 <div class="option_description">
-<p>One or more command or &lt;Plug&gt;-mappings that should trigger on-demand loading
-of this plugin.</p>
+<p>One or more &lt;Plug&gt;-mappings that should trigger on-demand loading of this
+plugin.</p>
 <p>Can be specified with either a single string or list of strings.</p>
 </div>
 <div class="option_properties">
@@ -946,40 +910,6 @@ <h3 id="pluginregistrynametag"><a class="header" href="#pluginregistrynametag"><
 </div>
 </div>
 <div class="option">
-<h3 id="postpluginconfig"><a class="header" href="#postpluginconfig"><code>postPluginConfig</code></a></h3>
-<div class="option_description">
-<p>Extra lines of <code>init.vim</code> configuration that need to be executed after the
-plugin loading.</p>
-</div>
-<div class="option_properties">
-<ul>
-<li>
-<p><em>Type:</em> strings concatenated with &quot;\n&quot;</p>
-</li>
-<li>
-<p><em>Default:</em> <code>&quot;&quot;</code></p>
-</li>
-</ul>
-</div>
-</div>
-<div class="option">
-<h3 id="prepluginconfig"><a class="header" href="#prepluginconfig"><code>prePluginConfig</code></a></h3>
-<div class="option_description">
-<p>Extra lines of <code>init.vim</code> configuration that need to be executed before the
-plugin loading.</p>
-</div>
-<div class="option_properties">
-<ul>
-<li>
-<p><em>Type:</em> strings concatenated with &quot;\n&quot;</p>
-</li>
-<li>
-<p><em>Default:</em> <code>&quot;&quot;</code></p>
-</li>
-</ul>
-</div>
-</div>
-<div class="option">
 <h3 id="sourcepins"><a class="header" href="#sourcepins"><code>sourcePins</code></a></h3>
 <div class="option_description">
 <p>Attribute set of source pins for vim plugins. Attribute names should map