feat(git.vim): add :Git shortlog command

bundle/git.vim/lua/git/command/shortlog.lua

@@ -0,0 +1,54 @@
+--=============================================================================
+-- shortlog.lua --- Git shortlog command
+-- Copyright (c) 2016-2023 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+local M = {}
+
+local job = require('spacevim.api.job')
+local nt = require('spacevim.api.notify')
+local log = require('git.log')
+
+local jobid = -1
+nt.notify_max_width = vim.o.columns * 0.5
+nt.timeout = 5000
+
+local function on_stdout(id, data)
+  if id ~= jobid then
+    return
+  end
+  for _, v in ipairs(data) do
+    nt.notify(v)
+  end
+end
+
+local function on_stderr(id, data)
+  if id ~= jobid then
+    return
+  end
+  for _, v in ipairs(data) do
+    nt.notify(v, 'WarningMsg')
+  end
+end
+
+local function on_exit(id, code, single)
+  log.debug('git-shortlog exit code:' .. code .. ' single:' .. single)
+end
+
+function M.run(argv)
+  local cmd = { 'git', 'shortlog' }
+  for _, v in ipairs(argv) do
+    table.insert(cmd, v)
+  end
+  log.debug('git-shortlog cmd:' .. vim.inspect(cmd))
+  jobid = job.start(cmd, {
+    on_stdout = on_stdout,
+    on_stderr = on_stderr,
+    on_exit = on_exit,
+  })
+end
+
+return M
+