patch 9.1.1376: quickfix dummy buffer may remain as dummy buffer
Problem: when failing to wipeout a quickfix dummy buffer, it will
remain as a dummy buffer, despite being kept.
Solution: clear its dummy BF_DUMMY flag in this case (Sean Dewar).
closes: #17283
Signed-off-by: Sean Dewar <6256228+seandewar@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index df4cc80..fe85887 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -6921,4 +6921,23 @@
%bw!
endfunc
+func Test_vimgrep_dummy_buffer_keep()
+ augroup DummyKeep
+ autocmd!
+ " Trigger a wipe of the dummy buffer by aborting script processing. Prevent
+ " wiping it by splitting it from the autocmd window into an only window.
+ autocmd BufReadCmd * ++once let s:dummy_buf = bufnr()
+ \| tab split | call interrupt()
+ augroup END
+
+ call assert_fails('vimgrep /./ .')
+ call assert_equal(1, bufexists(s:dummy_buf))
+ " Ensure it's no longer considered a dummy; should be able to switch to it.
+ execute s:dummy_buf 'sbuffer'
+
+ unlet! s:dummy_buf
+ autocmd! DummyKeep
+ %bw!
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab