feat(plugin): show error for local plugins that don't exist. Fixes #1773

lua/lazy/core/plugin.lua

@@ -243,6 +243,7 @@ function M.update_state()
     else
       plugin._.is_local = true
       plugin._.installed = true -- local plugins are managed by the user
+      plugin._.installed = vim.fn.isdirectory(plugin.dir) == 1
     end
   end
 

lua/lazy/manage/init.lua

@@ -80,6 +80,7 @@ function M.install(opts)
   opts = M.opts(opts, { mode = "install" })
   return M.run({
     pipeline = {
+      "plugin.exists",
       "git.clone",
       { "git.checkout", lockfile = opts.lockfile },
       "plugin.docs",
@@ -108,6 +109,7 @@ function M.update(opts)
   opts = M.opts(opts, { mode = "update" })
   return M.run({
     pipeline = {
+      "plugin.exists",
       "git.origin",
       "git.branch",
       "git.fetch",
@@ -147,6 +149,7 @@ function M.check(opts)
   opts = opts or {}
   return M.run({
     pipeline = {
+      "plugin.exists",
       { "git.origin", check = true },
       "git.fetch",
       "git.status",

lua/lazy/manage/task/plugin.lua

@@ -97,4 +97,15 @@ M.docs = {
   end,
 }
 
+M.exists = {
+  skip = function(plugin)
+    return not plugin._.is_local
+  end,
+  run = function(self)
+    if not Util.file_exists(self.plugin.dir) then
+      self:error("Local plugin does not exist at `" .. self.plugin.dir .. "`")
+    end
+  end,
+}
+
 return M