patch 8.2.2662: there is no way to avoid some escape sequences
Problem: There is no way to avoid some escape sequences.
Solution: Suppress escape sequences when the --not-a-term argument is used.
(Gary Johnson)
diff --git a/src/testdir/test_startup.vim b/src/testdir/test_startup.vim
index 323b019..2d5fdcb 100644
--- a/src/testdir/test_startup.vim
+++ b/src/testdir/test_startup.vim
@@ -1043,6 +1043,32 @@
\ 'Vim: Warning: Input is not from a terminal'], l)
endfunc
+" Test for --not-a-term avoiding escape codes.
+func Test_not_a_term()
+ CheckUnix
+ CheckNotGui
+
+ if &shellredir =~ '%s'
+ let redir = printf(&shellredir, 'Xvimout')
+ else
+ let redir = &shellredir .. ' Xvimout'
+ endif
+
+ " Without --not-a-term there are a few escape sequences.
+ " This will take 2 seconds because of the missing --not-a-term
+ let cmd = GetVimProg() .. ' --cmd quit ' .. redir
+ exe "silent !" . cmd
+ call assert_match("\<Esc>", readfile('Xvimout')->join())
+ call delete('Xvimout')
+
+ " With --not-a-term there are no escape sequences.
+ let cmd = GetVimProg() .. ' --not-a-term --cmd quit ' .. redir
+ exe "silent !" . cmd
+ call assert_notmatch("\<Esc>", readfile('Xvimout')->join())
+ call delete('Xvimout')
+endfunc
+
+
" Test for the "-w scriptout" argument
func Test_w_arg()
" Can't catch the output of gvim.