feat(plugin): added support for `weak` specs. They will not be included in the final spec if not specified somwhere else

lua/lazy/core/plugin.lua

@@ -141,6 +141,13 @@ function Spec:warn(msg)
 end
 
 function Spec:fix_disabled()
+  -- handle weak plugins
+  for _, plugin in pairs(self.plugins) do
+    if plugin.weak and not plugin._.super then
+      self.plugins[plugin.name] = nil
+    end
+  end
+
   ---@type table<string,string[]> plugin to parent plugin
   local dep_of = {}
 

lua/lazy/types.lua

@@ -47,6 +47,7 @@
 ---@field dir string
 ---@field enabled? boolean|(fun():boolean)
 ---@field cond? boolean|(fun():boolean)
+---@field weak? boolean If set, then this plugin will not be added unless it is added somewhere else
 ---@field lazy? boolean
 ---@field priority? number Only useful for lazy=false plugins to force loading certain plugins first. Default priority is 50
 ---@field dev? boolean If set, then link to the respective folder under your ~/projects