fix(deprecation): only deprecate tag == "*" in lvim.plugins (#4297)

lua/lvim/config/_deprecated.lua

@@ -110,10 +110,16 @@ function M.post_load()
       opt = "lazy",
       run = "build",
       lock = "pin",
-      tag = "version",
       requires = "dependencies",
     }
 
+    alternatives.tag = function()
+      if spec.tag == "*" then
+        spec.version = "*"
+        return [[version = "*"]]
+      end
+    end
+
     alternatives.disable = function()
       if type(spec.disabled) == "function" then
         spec.enabled = function()
@@ -138,12 +144,16 @@ function M.post_load()
     for old_key, alternative in pairs(alternatives) do
       if spec[old_key] ~= nil then
         local message
+        local old_value = vim.inspect(spec[old_key]) or "value"
 
         if type(alternative) == "function" then
           message = alternative()
         else
           spec[alternative] = spec[old_key]
         end
+
+        -- not every function in alternatives returns a message (e.g. tag)
+        if type(alternative) ~= "function" or message then
           spec[old_key] = nil
 
           local new_value = vim.inspect(spec[alternative] or "[value]")
@@ -151,16 +161,17 @@ function M.post_load()
           vim.schedule(function()
             vim.notify_once(
               string.format(
-              [[`%s` in `lvim.plugins` has been deprecated since the migration to lazy.nvim. Use `%s` instead.
+                [[`%s = %s` in `lvim.plugins` has been deprecated since the migration to lazy.nvim. Use `%s` instead.
 Example:
 `lvim.plugins = {... {... %s = %s ...} ...}`
 ->
 `lvim.plugins = {... {... %s ...} ...}`
 See https://github.com/folke/lazy.nvim#-migration-guide"]],
                 old_key,
+                old_value,
                 message,
                 old_key,
-              new_value,
+                old_value,
                 message
               ),
               vim.log.levels.WARN
@@ -168,6 +179,7 @@ See https://github.com/folke/lazy.nvim#-migration-guide"]],
           end)
         end
       end
+    end
 
     if spec[1] and spec[1]:match "^http" then
       spec.url = spec[1]