feat: multiple enhancements to lvim-reload (#2054)

lua/lvim/config/init.lua

@@ -98,28 +98,20 @@ end
 --- Override the configuration with a user provided one
 -- @param config_path The path to the configuration overrides
 function M:reload()
-  local lvim_modules = {}
-  for module, _ in pairs(package.loaded) do
-    if module:match "lvim.core" then
-      package.loaded[module] = nil
-      table.insert(lvim_modules, module)
-    end
-  end
+  package.loaded["lvim.utils.hooks"] = nil
+  local _, hooks = pcall(require, "lvim.utils.hooks")
+  hooks.run_pre_reload()
 
   M:init()
   M:load()
 
+  require("lvim.core.autocmds").configure_format_on_save()
+
   local plugins = require "lvim.plugins"
-  local autocmds = require "lvim.core.autocmds"
-  autocmds.configure_format_on_save()
   local plugin_loader = require "lvim.plugin-loader"
-  plugin_loader.cache_clear()
+
   plugin_loader.load { plugins, lvim.plugins }
-  vim.cmd ":PackerInstall"
-  vim.cmd ":PackerCompile"
-  -- vim.cmd ":PackerClean"
-  require("lvim.lsp").setup()
-  Log:info "Reloaded configuration"
+  hooks.run_post_reload()
 end
 
 return M

lua/lvim/lsp/utils.lua

@@ -22,11 +22,12 @@ function M.get_active_clients_by_ft(filetype)
 end
 
 function M.get_client_capabilities(client_id)
+  local client
   if not client_id then
     local buf_clients = vim.lsp.buf_get_clients()
-    for _, buf_client in ipairs(buf_clients) do
+    for _, buf_client in pairs(buf_clients) do
       if buf_client.name ~= "null-ls" then
-        client_id = buf_client.id
+        client = buf_client
         break
       end
     end
@@ -36,8 +37,6 @@ function M.get_client_capabilities(client_id)
     return
   end
 
-  local client = vim.lsp.get_client_by_id(tonumber(client_id))
-
   local enabled_caps = {}
   for capability, status in pairs(client.resolved_capabilities) do
     if status == true then

lua/lvim/plugin-loader.lua

@@ -28,7 +28,13 @@ function plugin_loader.init(opts)
     package_root = package_root,
     compile_path = compile_path,
     log = { level = log_level },
-    git = { clone_timeout = 300 },
+    git = {
+      clone_timeout = 300,
+      subcommands = {
+        -- this is more efficient than what Packer is using
+        fetch = "fetch --no-tags --no-recurse-submodules --update-shallow --progress",
+      },
+    },
     max_jobs = 50,
     display = {
       open_fn = function()
@@ -36,6 +42,8 @@ function plugin_loader.init(opts)
       end,
     },
   }
+
+  vim.cmd [[autocmd User PackerComplete lua require('lvim.utils.hooks').run_on_packer_complete()]]
 end
 
 -- packer expects a space separated list
@@ -104,4 +112,11 @@ function plugin_loader.sync_core_plugins()
   pcall_packer_command("sync", core_plugins)
 end
 
+function plugin_loader.ensure_installed()
+  plugin_loader.cache_clear()
+  local all_plugins = _G.packer_plugins or plugin_loader.get_core_plugins()
+  Log:trace(string.format("Syncing core plugins: [%q]", table.concat(all_plugins, ", ")))
+  pcall_packer_command("install", all_plugins)
+end
+
 return plugin_loader

lua/lvim/utils/hooks.lua

@@ -1,38 +1,64 @@
 local M = {}
 
-local plugin_loader = require "lvim.plugin-loader"
 local Log = require "lvim.core.log"
 local in_headless = #vim.api.nvim_list_uis() == 0
 
 function M.run_pre_update()
   Log:debug "Starting pre-update hook"
-  _G.__luacache.clear_cache()
   if package.loaded["lspconfig"] then
     vim.cmd [[ LspStop ]]
   end
 end
 
+function M.run_pre_reload()
+  Log:debug "Starting pre-reload hook"
+  if package.loaded["lspconfig"] then
+    vim.cmd [[ LspStop ]]
+  end
+end
+
+function M.run_on_packer_complete()
+  require("lvim.plugin-loader").recompile()
+  -- forcefully activate nvim-web-devicons
+  require("nvim-web-devicons").set_up_highlights()
+  Log:info "Reloaded configuration"
+end
+
+function M.run_post_reload()
+  Log:debug "Starting post-reload hook"
+  if package.loaded["lspconfig"] then
+    vim.cmd [[ LspRestart ]]
+  end
+
+  M.reset_cache()
+  require("lvim.plugin-loader").ensure_installed()
+end
+
 ---Reset any startup cache files used by Packer and Impatient
 ---It also forces regenerating any template ftplugin files
 ---Tip: Useful for clearing any outdated settings
 function M.reset_cache()
-  _G.__luacache.clear_cache()
-  require("lvim.plugin-loader").recompile()
-  package.loaded["lvim.lsp.templates"] = nil
-
-  Log:debug "Re-generatring ftplugin template files"
+  local impatient = _G.__luacache
+  if impatient then
+    impatient.clear_cache()
+  end
+  local lvim_modules = {}
+  for module, _ in pairs(package.loaded) do
+    if module:match "lvim.core" or module:match "lvim.lsp" then
+      package.loaded[module] = nil
+      table.insert(lvim_modules, module)
+    end
+  end
+  Log:trace(string.format("Cache invalidated for core modules: { %s }", table.concat(lvim_modules, ", ")))
   require("lvim.lsp.templates").generate_templates()
 end
 
 function M.run_post_update()
   Log:debug "Starting post-update hook"
-
-  Log:debug "Re-generatring ftplugin template files"
-  package.loaded["lvim.lsp.templates"] = nil
-  require("lvim.lsp.templates").generate_templates()
+  M.reset_cache()
 
   Log:debug "Updating core plugins"
-  plugin_loader:sync_core_plugins()
+  require("lvim.plugin-loader").ensure_installed()
 
   if not in_headless then
     vim.schedule(function()