feat(git): rewrite :Git reflog in lua

bundle/git.vim/autoload/git/reflog.vim

@@ -1,6 +1,22 @@
+"=============================================================================
+" reflog.vim --- git-reflog
+" Copyright (c) 2016-2019 Wang Shidong & Contributors
+" Author: Wang Shidong < wsdjeg@outlook.com >
+" URL: https://spacevim.org
+" License: GPLv3
+"=============================================================================
+
 let s:JOB = SpaceVim#api#import('job')
 let s:BUFFER = SpaceVim#api#import('vim#buffer')
-" @todo rewrite Git reflog in lua
+
+""
+" @section git-reflog, reflog
+" @parentsection commands
+" This commands is to view git reflog.
+" >
+"   :Git reflog
+" <
+
 function! git#reflog#run(args)
     let cmd = ['git', 'reflog'] + a:args
     let s:bufnr = s:openRefLogBuffer()

bundle/git.vim/doc/git.txt

@@ -10,8 +10,9 @@ CONTENTS                                                        *git-contents*
       3. git-cherry-pick.....................................|git-cherry-pick|
       4. git-clean.................................................|git-clean|
       5. git-mv.......................................................|git-mv|
-      6. git-rm.......................................................|git-rm|
-      7. git-stash.................................................|git-stash|
+      6. git-reflog...............................................|git-reflog|
+      7. git-rm.......................................................|git-rm|
+      8. git-stash.................................................|git-stash|
   3. Functions.................................................|git-functions|
 
 ==============================================================================
@@ -68,6 +69,14 @@ the index. For example, rename current file.
   :Git mv % new_file.txt
 <
 
+==============================================================================
+GIT-REFLOG                                                        *git-reflog*
+
+This commands is to view git reflog.
+>
+  :Git reflog
+<
+
 ==============================================================================
 GIT-RM                                                                *git-rm*
 

bundle/git.vim/lua/git/command/reflog.lua

@@ -0,0 +1,98 @@
+--=============================================================================
+-- reflog.lua --- git-reflog
+-- Copyright (c) 2016-2022 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+
+local M = {}
+
+local reflog_stdout = {}
+local reflog_stderr = {}
+local jobid = -1
+local reflog_bufid = -1
+
+local job = require('spacevim.api.job')
+local nt = require('spacevim.api.notify')
+
+local log = require('git.log')
+
+local function on_stdout(id, data)
+  if id ~= jobid then
+    return
+  end
+
+  for _, v in ipairs(data) do
+    table.insert(reflog_stdout, v)
+  end
+end
+
+local function on_stderr(id, data)
+  if id ~= jobid then
+    return
+  end
+
+  for _, v in ipairs(data) do
+    table.insert(reflog_stderr, v)
+  end
+end
+
+local function open_reflog_buffer()
+  local previous_buf = vim.api.nvim_get_current_buf()
+  vim.cmd('edit git://reflog')
+  vim.cmd([[
+    normal! "_dd
+    setl nobuflisted
+    setl nomodifiable
+    setl nonumber norelativenumber
+    setl buftype=nofile
+    setl bufhidden=wipe
+    setf git-reflog
+  ]])
+  vim.api.nvim_buf_set_keymap(vim.api.nvim_get_current_buf(), 'n', 'q', '', {
+    callback = function ()
+      if vim.api.nvim_buf_is_valid(previous_buf) then
+        vim.api.nvim_set_current_buf(previous_buf)
+      else
+        vim.cmd('bd')
+      end
+    end,
+  })
+  return vim.api.nvim_get_current_buf()
+end
+
+local function on_exit(id, code, signal)
+  log.debug(string.format('git-reflog exit code %d, signal %d', code, signal))
+
+  if code == 0 and signal == 0 then
+    reflog_bufid = open_reflog_buffer()
+
+    vim.api.nvim_buf_set_option(reflog_bufid, 'modifiable', true)
+    vim.api.nvim_buf_set_lines(reflog_bufid, 0, -1, false, reflog_stdout)
+    vim.api.nvim_buf_set_option(reflog_bufid, 'modifiable', false)
+  else
+    nt.notify(string.format('failed to run git reflog, exit code: %d', code), 'WaringMsg')
+  end
+
+  jobid = -1
+end
+
+function M.run(argv)
+  local cmd = { 'git', 'reflog' }
+
+  for _, v in ipairs(argv) do
+    table.insert(cmd, v)
+  end
+
+  log.debug('git-reflog cmd:' .. vim.inspect(cmd))
+  reflog_stdout = {}
+  reflog_stderr = {}
+  jobid = job.start(cmd, {
+    on_stderr = on_stderr,
+    on_stdout = on_stdout,
+    on_exit = on_exit,
+  })
+end
+
+return M

bundle/git.vim/lua/git/init.lua

@@ -21,6 +21,7 @@ local cmds = {
   'remote',
   'reset',
   'rm',
+  'reflog',
   'shortlog',
   'status',
   'tag',

docs/roadmap.md

@@ -37,7 +37,7 @@ If you have any suggestions , please checkout feedback section on [community](..
     - [x] `:Git pull`
     - [x] `:Git push`
     - [ ] `:Git rebase`
-    - [ ] `:Git reflog`
+    - [x] `:Git reflog`
     - [x] `:Git remote`
     - [x] `:Git reset`
     - [x] `:Git rm`