diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nvim/ex_cmds.c | 8 | ||||
| -rw-r--r-- | src/nvim/testdir/test_undo.vim | 20 |
2 files changed, 26 insertions, 2 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c index 9be6adcd61..bb4e92efc0 100644 --- a/src/nvim/ex_cmds.c +++ b/src/nvim/ex_cmds.c @@ -2497,8 +2497,12 @@ int do_ecmd( new_name = NULL; } set_bufref(&bufref, buf); - if (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur) { - // Save all the text, so that the reload can be undone. + + // If the buffer was used before, store the current contents so that + // the reload can be undone. Do not do this if the (empty) buffer is + // being re-used for another file. + if (!(curbuf->b_flags & BF_NEVERLOADED) + && (p_ur < 0 || curbuf->b_ml.ml_line_count <= p_ur)) { // Sync first so that this is a separate undo-able action. u_sync(false); if (u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, true) diff --git a/src/nvim/testdir/test_undo.vim b/src/nvim/testdir/test_undo.vim index 1bdc9bfd4b..3b66071d6d 100644 --- a/src/nvim/testdir/test_undo.vim +++ b/src/nvim/testdir/test_undo.vim @@ -392,6 +392,26 @@ func Test_rundo_errors() call delete('Xundofile') endfunc +func Test_undofile_next() + set undofile + new Xfoo.txt + execute "norm ix\<c-g>uy\<c-g>uz\<Esc>" + write + bwipe + + next Xfoo.txt + call assert_equal('xyz', getline(1)) + silent undo + call assert_equal('xy', getline(1)) + silent undo + call assert_equal('x', getline(1)) + bwipe! + + call delete('Xfoo.txt') + call delete('.Xfoo.txt.un~') + set undofile& +endfunc + " Test for undo working properly when executing commands from a register. " Also test this in an empty buffer. func Test_cmd_in_reg_undo() |