refactor(git): adopt lazy-require plugin/git.lua pattern

lua/git/statusline.lua

@@ -57,35 +57,26 @@ local function update_buf(buf, r)
     vim.b[buf].git_status_string = render(entry)
 end
 
-local enabled = false
-
-function M.enable()
-    if enabled then
-        return
-    end
-    enabled = true
-    repo.on("refresh", function(r)
-        for buf in pairs(r.buffers) do
-            if vim.api.nvim_buf_is_loaded(buf) then
-                update_buf(buf, r)
-            end
-        end
-        vim.cmd.redrawstatus({ bang = true })
-    end)
-    vim.api.nvim_create_autocmd("BufWinEnter", {
-        group = vim.api.nvim_create_augroup(
-            "ow.git.statusline",
-            { clear = true }
-        ),
-        callback = function(args)
-            update_buf(args.buf, nil)
-        end,
-    })
-    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+repo.on("refresh", function(r)
+    for buf in pairs(r.buffers) do
         if vim.api.nvim_buf_is_loaded(buf) then
-            update_buf(buf, nil)
+            update_buf(buf, r)
         end
     end
+    vim.cmd.redrawstatus({ bang = true })
+end)
+
+vim.api.nvim_create_autocmd("BufWinEnter", {
+    group = vim.api.nvim_create_augroup("ow.git.statusline", { clear = true }),
+    callback = function(args)
+        update_buf(args.buf, nil)
+    end,
+})
+
+for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+    if vim.api.nvim_buf_is_loaded(buf) then
+        update_buf(buf, nil)
+    end
 end
 
 return M