feat(plugin): added Plugin.cond. Fixes #89, #168

lua/lazy/core/loader.lua

@@ -121,6 +121,11 @@ function M.load(plugins, reason)
       end
     end
 
+    if try_load and plugin.cond then
+      try_load = plugin.cond == true or (type(plugin.cond) == "function" and plugin.cond()) or false
+      plugin._.cond = try_load
+    end
+
     ---@cast plugin LazyPlugin
 
     if try_load and not plugin._.loaded then

lua/lazy/core/plugin.lua

@@ -18,6 +18,7 @@ local M = {}
 ---@field cloned? boolean
 ---@field kind? LazyPluginKind
 ---@field dep? boolean True if this plugin is only in the spec as a dependency
+---@field cond? boolean
 
 ---@class LazyPluginHooks
 ---@field init? fun(LazyPlugin) Will always be run
@@ -44,6 +45,7 @@ local M = {}
 ---@field url string?
 ---@field dir string
 ---@field enabled? boolean|(fun():boolean)
+---@field cond? boolean|(fun():boolean)
 ---@field lazy? boolean
 ---@field dev? boolean If set, then link to the respective folder under your ~/projects
 ---@field dependencies? string[]

lua/lazy/view/colors.lua

@@ -15,6 +15,7 @@ M.colors = {
     fg = "#ff007c",
   },
   ProgressTodo = "LineNr",
+  NoCond = "DiagnosticError",
   Special = "@punctuation.special",
   HandlerRuntime = "@macro",
   HandlerPlugin = "Special",

lua/lazy/view/render.lua

@@ -359,6 +359,8 @@ end
 function M:plugin(plugin)
   if plugin._.loaded then
     self:append("  ● ", "LazySpecial"):append(plugin.name)
+  elseif plugin._.cond == false then
+    self:append("  ○ ", "LazyNoCond"):append(plugin.name)
   else
     self:append("  ○ ", "LazySpecial"):append(plugin.name)
   end