Fix shell layer

autoload/SpaceVim/layers/shell.vim

@@ -8,72 +8,77 @@
 "
 
 function! SpaceVim#layers#shell#plugins() abort
-    let plugins = []
-    if has('nvim')
-        call add(plugins,['Shougo/deol.nvim'])
-    endif
-    call add(plugins,['Shougo/vimshell.vim',                { 'on_cmd':['VimShell']}])
-    return plugins
+  let plugins = []
+  if has('nvim')
+    call add(plugins,['Shougo/deol.nvim'])
+  endif
+  call add(plugins,['Shougo/vimshell.vim',                { 'on_cmd':['VimShell']}])
+  return plugins
 endfunction
 
 let s:file = expand('<sfile>:~')
 let s:lnum = expand('<slnum>') + 2
 function! SpaceVim#layers#shell#config() abort
-    call SpaceVim#mapping#space#def('nnoremap', ["'"], 'call call('
-                \ . string(function('s:open_default_shell')) . ', [])',
-                \ ['open shell',
-                \ [
-                \ "[SPC '] is to open or jump to default shell window",
-                \ '',
-                \ 'Definition: ' . s:file . ':' . s:lnum,
-                \ ]
-                \ ], 1)
+  call SpaceVim#mapping#space#def('nnoremap', ["'"], 'call call('
+        \ . string(function('s:open_default_shell')) . ', [])',
+        \ ['open shell',
+        \ [
+        \ "[SPC '] is to open or jump to default shell window",
+        \ '',
+        \ 'Definition: ' . s:file . ':' . s:lnum,
+        \ ]
+        \ ], 1)
 
 endfunction
 
+
+let s:default_shell = 'terminal'
+let s:default_position = 'top'
+let s:default_height = 30
+
 function! SpaceVim#layers#shell#set_variable(var) abort
-   let s:default_shell = get(a:var, 'default_shell', 'terminal')
-   let s:default_position = get(a:var, 'default_position', 'top')
-   let s:default_height = get(a:var, 'default_height', 30)
+  let s:default_shell = get(a:var, 'default_shell', 'terminal')
+  let s:default_position = get(a:var, 'default_position', 'top')
+  let s:default_height = get(a:var, 'default_height', 30)
 endfunction
 
 let s:shell_win_nr = 0
 function! s:open_default_shell() abort
-    if s:shell_win_nr != 0 && getwinvar(s:shell_win_nr, '&buftype') ==# 'terminal' && &buftype !=# 'terminal'
-        exe s:shell_win_nr .  'wincmd w'
-        startinsert
-        return
-    endif
-    if &buftype ==# 'terminal'
-        bwipeout! %
-        return
-    endif
-    let cmd = s:default_position ==# 'top' ?
-                \ 'topleft split' :
-                \ s:default_position ==# 'bottom' ?
-                \ 'botright split' :
-                \ s:default_position ==# 'right' ?
-                \ 'rightbelow vsplit' : 'leftabove vsplit'
-    exe cmd
-    let lines = &lines * s:default_height / 100
-    if lines < winheight(0) && (s:default_position ==# 'top' || s:default_position ==# 'bottom')
-        exe 'resize ' . lines
-    endif
-    if s:default_shell ==# 'terminal'
-        if exists(':terminal')
-          if has('nvim')
-            exe 'terminal'
-          else
-            call term_start('bash', {'curwin' : 1, 'term_finish' : 'close'})
-          endif
-            let s:shell_win_nr = winnr()
-            let w:shell_layer_win = 1
-            startinsert
-        else
-            echo ':terminal is not supported in this version'
-        endif
-    elseif s:default_shell ==# 'VimShell'
-        VimShell
-        imap <buffer> <C-d> exit<esc><Plug>(vimshell_enter)
+  if s:shell_win_nr != 0 && getwinvar(s:shell_win_nr, '&buftype') ==# 'terminal' && &buftype !=# 'terminal'
+    exe s:shell_win_nr .  'wincmd w'
+    startinsert
+    return
+  endif
+  if &buftype ==# 'terminal'
+    bwipeout! %
+    return
+  endif
+  let cmd = s:default_position ==# 'top' ?
+        \ 'topleft split' :
+        \ s:default_position ==# 'bottom' ?
+        \ 'botright split' :
+        \ s:default_position ==# 'right' ?
+        \ 'rightbelow vsplit' : 'leftabove vsplit'
+  exe cmd
+  let lines = &lines * s:default_height / 100
+  if lines < winheight(0) && (s:default_position ==# 'top' || s:default_position ==# 'bottom')
+    exe 'resize ' . lines
+  endif
+  if s:default_shell ==# 'terminal'
+    if exists(':terminal')
+      if has('nvim')
+        exe 'terminal'
+      else
+        call term_start('bash', {'curwin' : 1, 'term_finish' : 'close'})
+      endif
+      let s:shell_win_nr = winnr()
+      let w:shell_layer_win = 1
+      startinsert
+    else
+      echo ':terminal is not supported in this version'
     endif
+  elseif s:default_shell ==# 'VimShell'
+    VimShell
+    imap <buffer> <C-d> exit<esc><Plug>(vimshell_enter)
+  endif
 endfunction