Reuse tempname in isolate

Author: tpope

autoload/dispatch.vim

@@ -195,7 +195,7 @@ function! dispatch#set_title(request) abort
         \ a:request.expanded)
 endfunction
 
-function! dispatch#isolate(keep, ...) abort
+function! dispatch#isolate(request, keep, ...) abort
   let keep = ['SHELL'] + a:keep
   let command = ['cd ' . shellescape(getcwd())]
   for line in split(system('env'), "\n")
@@ -209,7 +209,7 @@ function! dispatch#isolate(keep, ...) abort
     endif
   endfor
   let command += a:000
-  let temp = tempname()
+  let temp = type(a:request) == type({}) ? a:request.file . '.dispatch' : tempname()
   call writefile(command, temp)
   return 'env -i ' . join(map(copy(keep), 'v:val."=\"$". v:val ."\" "'), '') . &shell . ' ' . temp
 endfunction

autoload/dispatch/iterm.vim

@@ -51,7 +51,8 @@ function! dispatch#iterm#spawn(command, request, activate) abort
 endfunction
 
 function! dispatch#iterm#spawn2(command, request, activate) abort
-  let script = dispatch#isolate([], dispatch#set_title(a:request), a:command)
+  let script = dispatch#isolate(a:request, [],
+        \ dispatch#set_title(a:request), a:command)
   return s:osascript(
       \ 'if application "iTerm" is not running',
       \   'error',
@@ -71,7 +72,8 @@ function! dispatch#iterm#spawn2(command, request, activate) abort
 endfunction
 
 function! dispatch#iterm#spawn3(command, request, activate) abort
-  let script = dispatch#isolate([], dispatch#set_title(a:request), a:command)
+  let script = dispatch#isolate(a:request, [],
+        \ dispatch#set_title(a:request), a:command)
   return s:osascript(
       \ 'if application "iTerm" is not running',
       \   'error',

autoload/dispatch/screen.vim

@@ -22,8 +22,8 @@ endfunction
 function! dispatch#screen#spawn(command, request) abort
   let command = 'screen -ln -fn -t '.dispatch#shellescape(a:request.title)
         \ . ' ' . &shell . ' ' . &shellcmdflag . ' '
-        \ . shellescape('exec ' . dispatch#isolate(['STY', 'WINDOW'],
-        \ dispatch#set_title(a:request), a:command))
+        \ . shellescape('exec ' . dispatch#isolate(a:request,
+        \ ['STY', 'WINDOW'], dispatch#set_title(a:request), a:command))
   silent execute '!' . escape(command, '!#%')
   if a:request.background || a:request.action !=# 'start' && !has('gui_running')
     silent !screen -X other

autoload/dispatch/tmux.vim

@@ -30,7 +30,7 @@ function! dispatch#tmux#handle(request) abort
       let command .= ' -d'
     endif
     let command .= ' ' . shellescape('exec ' . dispatch#isolate(
-          \ ['TMUX', 'TMUX_PANE'],
+          \ a:request, ['TMUX', 'TMUX_PANE'],
           \ dispatch#set_title(a:request),
           \ dispatch#prepare_start(a:request)))
     call system(command)
@@ -42,7 +42,7 @@ function! dispatch#tmux#make(request) abort
   let pipepane = (&shellpipe ==# '2>&1| tee' || &shellpipe ==# '|& tee')
         \ && a:request.format !~# '%\\[er]'
   let session = get(g:, 'tmux_session', '')
-  let script = dispatch#isolate(['TMUX', 'TMUX_PANE'],
+  let script = dispatch#isolate(a:request, ['TMUX', 'TMUX_PANE'],
         \ call('dispatch#prepare_make', [a:request] +
         \ (pipepane ? [a:request.expanded . '; echo ' . dispatch#status_var()
         \  . ' > ' . a:request.file . '.complete'] : [])))