feat(git): lua completion for sub command

bundle/git.vim/autoload/git/reset.vim

@@ -1,3 +1,16 @@
+"=============================================================================
+" reset.vim --- git reset command
+" Copyright (c) 2016-2019 Wang Shidong & Contributors
+" Author: Wang Shidong < wsdjeg@outlook.com >
+" URL: https://spacevim.org
+" License: GPLv3
+"=============================================================================
+
+if has('nvim-0.9.0')
+  function! git#reset#complete(ArgLead, CmdLine, CursorPos) abort
+    return luaeval('require("git.command.reset").complete(vim.api.nvim_eval("a:ArgLead"), vim.api.nvim_eval("a:CmdLine"), vim.api.nvim_eval("a:CursorPos"))')
+  endfunction
+else
   let s:JOB = SpaceVim#api#import('job')
 
 
@@ -34,4 +47,4 @@ function! git#reset#complete(ArgLead, CmdLine, CursorPos)
     return "%\n" . join(getcompletion(a:ArgLead, 'file'), "\n")
 
   endfunction
-
+endif

bundle/git.vim/autoload/git/rm.vim

@@ -7,6 +7,11 @@
 "   :Git rm %
 " <
 
+if has('nvim-0.9.0')
+  function! git#rm#complete(ArgLead, CmdLine, CursorPos) abort
+    return luaeval('require("git.command.rm").complete(vim.api.nvim_eval("a:ArgLead"), vim.api.nvim_eval("a:CmdLine"), vim.api.nvim_eval("a:CursorPos"))')
+  endfunction
+else
   let s:JOB = SpaceVim#api#import('job')
 
   function! git#rm#run(files) abort
@@ -42,3 +47,4 @@ function! git#rm#complete(ArgLead, CmdLine, CursorPos) abort
     return "%\n" . join(getcompletion(a:ArgLead, 'file'), "\n")
 
   endfunction
+endif

bundle/git.vim/autoload/git/stash.vim

@@ -6,6 +6,11 @@
 "   :Git stash list
 " <
 
+if has('nvim-0.9.0')
+  function! git#stash#complete(ArgLead, CmdLine, CursorPos) abort
+    return luaeval('require("git.command.stash").complete(vim.api.nvim_eval("a:ArgLead"), vim.api.nvim_eval("a:CmdLine"), vim.api.nvim_eval("a:CursorPos"))')
+  endfunction
+else
   let s:JOB = SpaceVim#api#import('job')
   let s:NOTI = SpaceVim#api#import('notify')
   let s:BUFFER = SpaceVim#api#import('vim#buffer')
@@ -141,3 +146,4 @@ function! git#stash#complete(ArgLead, CmdLine, CursorPos) abort
 
   endfunction
 
+endif

bundle/git.vim/lua/git/command/reset.lua

@@ -5,7 +5,7 @@
 -- URL: https://spacevim.org
 -- License: GPLv3
 --=============================================================================
-local m = {}
+local M = {}
 
 local job = require('spacevim.api.job')
 local nt = require('spacevim.api.notify')
@@ -23,7 +23,7 @@ local function on_exit(id, code, single)
   end
 end
 
-function m.run(argv)
+function M.run(argv)
   local cmd = { 'git', 'reset' }
   if #argv == 1 and argv[1] == '%' then
     cmd = { 'git', 'reset', 'HEAD', vim.fn.expand('%') }
@@ -38,4 +38,9 @@ function m.run(argv)
   })
 end
 
-return m
+function M.complete(ArgLead, CmdLine, CursorPos)
+  local rst = vim.fn.getcompletion(ArgLead, 'file')
+  return table.concat(rst, '\n')
+end
+
+return M

bundle/git.vim/lua/git/command/rm.lua

@@ -47,4 +47,9 @@ function m.run(argv)
   })
 end
 
+function M.complete(ArgLead, CmdLine, CursorPos)
+  local rst = vim.fn.getcompletion(ArgLead, 'file')
+  return table.concat(rst, '\n')
+end
+
 return m

bundle/git.vim/lua/git/command/stash.lua

@@ -97,4 +97,27 @@ function M.run(argv)
   end
 end
 
+local function sub_commands()
+  return {
+    'list',
+    'show',
+    'drop',
+    'pop',
+    'apply',
+    'branch',
+    'clear',
+    'save',
+    'push',
+  }
+end
+
+function M.complete(ArgLead, CmdLine, CursorPos)
+  local str = string.sub(CmdLine, 1, CursorPos)
+  if vim.regex([[^Git\s\+stash\s\+[a-z]\+$]]):match_str(str) then
+    return table.concat(sub_commands(), '\n')
+  else
+    return ''
+  end
+end
+
 return M