Improvements from Boom laptop

home/.vim/autoload/plug.vim

@@ -434,8 +434,8 @@ endfunction
 
 function! s:dobufread(names)
   for name in a:names
-    let path = s:rtp(g:plugs[name]).'/**'
-    for dir in ['ftdetect', 'ftplugin']
+    let path = s:rtp(g:plugs[name])
+    for dir in ['ftdetect', 'ftplugin', 'after/ftdetect', 'after/ftplugin']
       if len(finddir(dir, path))
         if exists('#BufRead')
           doautocmd BufRead
@@ -794,9 +794,7 @@ endfunction
 
 function! s:chsh(swap)
   let prev = [&shell, &shellcmdflag, &shellredir]
-  if s:is_win
-    set shell=cmd.exe shellcmdflag=/c shellredir=>%s\ 2>&1
-  elseif a:swap
+  if !s:is_win && a:swap
     set shell=sh shellredir=>%s\ 2>&1
   endif
   return prev
@@ -811,7 +809,7 @@ function! s:bang(cmd, ...)
     if s:is_win
       let batchfile = tempname().'.bat'
       call writefile(["@echo off\r", cmd . "\r"], batchfile)
-      let cmd = batchfile
+      let cmd = s:shellesc(expand(batchfile))
     endif
     let g:_plug_bang = (s:is_win && has('gui_running') ? 'silent ' : '').'!'.escape(cmd, '#!%')
     execute "normal! :execute g:_plug_bang\<cr>\<cr>"
@@ -1210,7 +1208,7 @@ function! s:spawn(name, cmd, opts)
   let cmd = has_key(a:opts, 'dir') ? s:with_cd(a:cmd, a:opts.dir) : a:cmd
   if !empty(job.batchfile)
     call writefile(["@echo off\r", cmd . "\r"], job.batchfile)
-    let cmd = job.batchfile
+    let cmd = s:shellesc(expand(job.batchfile))
   endif
   let argv = add(s:is_win ? ['cmd', '/c'] : ['sh', '-c'], cmd)
 
@@ -2037,9 +2035,9 @@ function! s:system(cmd, ...)
     if s:is_win
       let batchfile = tempname().'.bat'
       call writefile(["@echo off\r", cmd . "\r"], batchfile)
-      let cmd = batchfile
+      let cmd = s:shellesc(expand(batchfile))
     endif
-    return system(s:is_win ? '('.cmd.')' : cmd)
+    return system(cmd)
   finally
     let [&shell, &shellcmdflag, &shellredir] = [sh, shellcmdflag, shrd]
     if s:is_win
@@ -2371,7 +2369,7 @@ function! s:preview_commit()
     if s:is_win
       let batchfile = tempname().'.bat'
       call writefile(["@echo off\r", cmd . "\r"], batchfile)
-      let cmd = batchfile
+      let cmd = expand(batchfile)
     endif
     execute 'silent %!' cmd
   finally