patch 9.1.0112: Remove undo information, when cleaning quickfix buffer Commit: https://github.com/vim/vim/commit/f0d3d4a42657dca996e790aa829de3c6be7fdb63 Author: Christian Brabandt <c...@256bit.org> Date: Thu Feb 15 20:15:04 2024 +0100
patch 9.1.0112: Remove undo information, when cleaning quickfix buffer Problem: When the quickfix buffer has been modified an autocommand may invalidate the undo stack (kawarimidoll) Solution: When clearing the quickfix buffer, also wipe the undo stack fixes: #13905 closes: #13928 Signed-off-by: Christian Brabandt <c...@256bit.org> diff --git a/src/quickfix.c b/src/quickfix.c index dd681ca23..3e2d3dfcc 100644 --- a/src/quickfix.c +++ b/src/quickfix.c @@ -4829,8 +4829,18 @@ qf_fill_buffer(qf_list_T *qfl, buf_T *buf, qfline_T *old_last, int qf_winid) } // delete all existing lines + // + // Note: we cannot store undo information, because + // qf buffer is usually not allowed to be modified. + // + // So we need to clean up undo information + // otherwise autocommands may invalidate the undo stack while ((curbuf->b_ml.ml_flags & ML_EMPTY) == 0) (void)ml_delete((linenr_T)1); + + // Remove all undo information + u_blockfree(curbuf); + u_clearall(curbuf); } // Check if there is anything to display diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim index 6e1223275..90dc3c1d3 100644 --- a/src/testdir/test_autocmd.vim +++ b/src/testdir/test_autocmd.vim @@ -4413,4 +4413,32 @@ func Test_autocmd_shortmess() delfunc SetupVimTest_shm endfunc +func Test_autocmd_invalidates_undo_on_textchanged() + CheckRunVimInTerminal + let script =<< trim END + set hidden + " create quickfix list (at least 2 lines to move line) + vimgrep /u/j % + + " enter quickfix window + cwindow + + " set modifiable + setlocal modifiable + + " set autocmd to clear quickfix list + + autocmd! TextChanged <buffer> call setqflist([]) + " move line + move+1 + END + call writefile(script, 'XTest_autocmd_invalidates_undo_on_textchanged', 'D') + let buf = RunVimInTerminal('XTest_autocmd_invalidates_undo_on_textchanged', {'rows': 20}) + call term_sendkeys(buf, ":so %\<cr>") + call term_sendkeys(buf, "G") + call WaitForAssert({-> assert_match('^XTest_autocmd_invalidates_undo_on_textchanged\s*$', term_getline(buf, 20))}, 1000) + + call StopVimInTerminal(buf) +endfunc + " vim: shiftwidth=2 sts=2 expandtab diff --git a/src/version.c b/src/version.c index 72495c2f9..d23c9ce5a 100644 --- a/src/version.c +++ b/src/version.c @@ -704,6 +704,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ +/**/ + 112, /**/ 111, /**/ -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/E1rahQq-00GwTx-EU%40256bit.org.