fix: fix :e command in status buffer

Author: wsdjeg

lua/git/command/status.lua

@@ -10,15 +10,15 @@ local lines = {}
 local jobid = -1
 
 local function close_status_window()
-  if vim.fn.winnr('$') > 1 then
-    vim.cmd('close')
-  else
-    vim.cmd('bd!')
-  end
+    if vim.fn.winnr('$') > 1 then
+        vim.cmd('close')
+    else
+        vim.cmd('bd!')
+    end
 end
 
 local function openStatusBuffer()
-  vim.cmd([[
+    vim.cmd([[
   10split git://status
   normal! "_dd
   setl nobuflisted
@@ -28,69 +28,80 @@ local function openStatusBuffer()
   setl bufhidden=wipe
   setf git-status
   ]])
-  status_bufnr = vim.fn.bufnr()
-  -- nnoremap <buffer><silent> q :call <SID>close_status_window()<CR>
-  vim.api.nvim_buf_set_keymap(status_bufnr, 'n', 'q', '', {
-    callback = close_status_window,
-  })
-  return status_bufnr
+    status_bufnr = vim.fn.bufnr()
+    -- nnoremap <buffer><silent> q :call <SID>close_status_window()<CR>
+    vim.api.nvim_buf_set_keymap(status_bufnr, 'n', 'q', '', {
+        callback = close_status_window,
+    })
+    return status_bufnr
 end
 
 local function on_stdout(id, data)
-  if id ~= jobid then
-    return
-  end
-  for _, v in ipairs(data) do
-    log.debug('git-status stdout:' .. v)
-    table.insert(lines, v)
-  end
+    if id ~= jobid then
+        return
+    end
+    for _, v in ipairs(data) do
+        log.debug('git-status stdout:' .. v)
+        table.insert(lines, v)
+    end
 end
 
 local function on_stderr(id, data)
-  if id ~= jobid then
-    return
-  end
-  for _, v in ipairs(data) do
-    log.debug('git-status stderr:' .. v)
-    table.insert(lines, v)
-  end
+    if id ~= jobid then
+        return
+    end
+    for _, v in ipairs(data) do
+        log.debug('git-status stderr:' .. v)
+        table.insert(lines, v)
+    end
 end
 
+local autocmd
 local function on_exit(id, code, single)
-  if id ~= jobid then
-    return
-  end
-  log.debug('git-status exit code:' .. code .. ' single:' .. single)
-  if vim.api.nvim_buf_is_valid(status_bufnr) then
-    vim.api.nvim_buf_set_option(status_bufnr, 'modifiable', true)
-    vim.api.nvim_buf_set_lines(status_bufnr, 0, -1, false, lines)
-    vim.api.nvim_buf_set_option(status_bufnr, 'modifiable', false)
-  end
+    if id ~= jobid then
+        return
+    end
+    log.debug('git-status exit code:' .. code .. ' single:' .. single)
+    if vim.api.nvim_buf_is_valid(status_bufnr) then
+        vim.api.nvim_buf_set_option(status_bufnr, 'modifiable', true)
+        vim.api.nvim_buf_set_lines(status_bufnr, 0, -1, false, lines)
+        vim.api.nvim_buf_set_option(status_bufnr, 'modifiable', false)
+        pcall(vim.api.nvim_del_autocmd, autocmd)
+        autocmd = vim.api.nvim_create_autocmd('BufReadCmd', {
+            buffer = status_bufnr,
+            callback = function()
+                vim.api.nvim_buf_set_option(status_bufnr, 'modifiable', true)
+                vim.api.nvim_buf_set_lines(status_bufnr, 0, -1, false, lines)
+                vim.api.nvim_buf_set_option(status_bufnr, 'modifiable', false)
+                vim.api.nvim_set_option_value('syntax', 'diff', { buf = status_bufnr })
+            end,
+        })
+    end
 end
 
 function M.run(argv)
-  if
-    vim.api.nvim_buf_is_valid(status_bufnr)
-    and vim.fn.index(vim.fn.tabpagebuflist(), status_bufnr) ~= -1
-  then
-    local winnr = vim.fn.bufwinnr(status_bufnr)
-    vim.cmd(winnr .. 'wincmd w')
-  else
-    status_bufnr = openStatusBuffer()
-  end
-  local cmd = { 'git', 'status' }
-  if #argv > 0 then
-    for _, v in ipairs(argv) do
-      table.insert(cmd, v)
+    if
+        vim.api.nvim_buf_is_valid(status_bufnr)
+        and vim.fn.index(vim.fn.tabpagebuflist(), status_bufnr) ~= -1
+    then
+        local winnr = vim.fn.bufwinnr(status_bufnr)
+        vim.cmd(winnr .. 'wincmd w')
+    else
+        status_bufnr = openStatusBuffer()
+    end
+    local cmd = { 'git', 'status' }
+    if #argv > 0 then
+        for _, v in ipairs(argv) do
+            table.insert(cmd, v)
+        end
     end
-  end
-  lines = {}
-  log.debug('git-status cmd:' .. vim.inspect(cmd))
-  jobid = job.start(cmd, {
-    on_stdout = on_stdout,
-    on_stderr = on_stderr,
-    on_exit = on_exit,
-  })
+    lines = {}
+    log.debug('git-status cmd:' .. vim.inspect(cmd))
+    jobid = job.start(cmd, {
+        on_stdout = on_stdout,
+        on_stderr = on_stderr,
+        on_exit = on_exit,
+    })
 end
 
 return M