feat(git): rewrite :Git branch with lua

bundle/git.vim/lua/git/command/branch.lua

@@ -69,5 +69,71 @@ end
 function M.detect()
   update_branch_name(vim.fn.getcwd(), true)
 end
+local branch_jobid = -1
+local stderr_data = {}
+
+local function on_stdout(id, data)
+  if id ~= branch_jobid then
+    return
+  end
+  for _, line in pairs(data) do
+    nt.notify_max_width = vim.fn.max({ vim.fn.strwidth(line) + 5, nt.notify_max_width })
+    nt.notify(line)
+  end
+end
+
+local function on_stderr(id, data)
+  if id ~= branch_jobid then
+    return
+  end
+  for _, line in pairs(data) do
+    table.insert(stderr_data, line)
+  end
+end
+
+local function on_exit(id, code, single)
+  log.debug('branch exit code:' .. code .. ' single:' .. single)
+  if id ~= branch_jobid then
+    return
+  end
+  if code == 0 and single == 0 then
+    for _, line in ipairs(stderr_data) do
+      nt.notify(line)
+    end
+  else
+    for _, line in ipairs(stderr_data) do
+      nt.notify(line, 'WarningMsg')
+    end
+  end
+  branch_jobid = -1
+end
+
+function M.run(argv)
+  if branch_jobid ~= -1 then
+    nt.notify('previous branch command is not finished')
+  end
+
+  nt.notify_max_width = vim.fn.float2nr(vim.o.columns * 0.3)
+
+  stderr_data = {}
+
+  local cmd = { 'git', 'branch' }
+
+  if argv then
+    for _, v in ipairs(argv) do
+      table.insert(cmd, v)
+    end
+  end
+  log.debug(vim.inspect(cmd))
+  branch_jobid = job.start(cmd, {
+    on_stdout = on_stdout,
+    on_stderr = on_stderr,
+    on_exit = on_exit,
+  })
+
+  if branch_jobid == -1 then
+    nt.notify('`git` is not executable', 'WarningMsg')
+  end
+end
 
 return M