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fix(inccommand): don't save information of a buffer twice (#24501)

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Problem:    'inccommand' doesn't restore 'undolevels' properly for a
            buffer shown in multiple windows.
Solution:   Don't save information of a buffer twice.
This commit is contained in:
zeertzjq 2023-07-28 15:41:58 +08:00 committed by GitHub
parent df2f5e3912
commit c1c2a1b5dd
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 13 deletions
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29
src/nvim/ex_getln.c
View File

@ -2333,6 +2333,8 @@ static void cmdpreview_restore_undo(const CpUndoInfo *cp_undoinfo, buf_T *buf)
static void cmdpreview_prepare(CpInfo *cpinfo)
FUNC_ATTR_NONNULL_ALL
{
Set(ptr_t) saved_bufs = SET_INIT;
kv_init(cpinfo->buf_info);
kv_init(cpinfo->win_info);
@ -2344,19 +2346,19 @@ static void cmdpreview_prepare(CpInfo *cpinfo)
continue;
}
CpBufInfo cp_bufinfo;
cp_bufinfo.buf = buf;
if (!set_has(ptr_t, &saved_bufs, buf)) {
CpBufInfo cp_bufinfo;
cp_bufinfo.buf = buf;
cp_bufinfo.save_b_p_ul = buf->b_p_ul;
cp_bufinfo.save_b_changed = buf->b_changed;
cp_bufinfo.save_changedtick = buf_get_changedtick(buf);
cmdpreview_save_undo(&cp_bufinfo.undo_info, buf);
kv_push(cpinfo->buf_info, cp_bufinfo);
set_put(ptr_t, &saved_bufs, buf);
cp_bufinfo.save_b_p_ul = buf->b_p_ul;
cp_bufinfo.save_b_changed = buf->b_changed;
cp_bufinfo.save_changedtick = buf_get_changedtick(buf);
cmdpreview_save_undo(&cp_bufinfo.undo_info, buf);
u_clearall(buf);
kv_push(cpinfo->buf_info, cp_bufinfo);
buf->b_p_ul = LONG_MAX; // Make sure we can undo all changes
u_clearall(buf);
buf->b_p_ul = LONG_MAX; // Make sure we can undo all changes
}
CpWinInfo cp_wininfo;
cp_wininfo.win = win;
@ -2375,6 +2377,8 @@ static void cmdpreview_prepare(CpInfo *cpinfo)
win->w_p_cuc = false; // Disable 'cursorcolumn' so it doesn't mess up the highlights
}
set_destroy(ptr_t, &saved_bufs);
cpinfo->save_hls = p_hls;
cpinfo->save_cmdmod = cmdmod;
win_size_save(&cpinfo->save_view);
@ -2431,6 +2435,7 @@ static void cmdpreview_restore_state(CpInfo *cpinfo)
// Clear preview highlights.
extmark_clear(buf, (uint32_t)cmdpreview_ns, 0, 0, MAXLNUM, MAXCOL);
}
for (size_t i = 0; i < cpinfo->win_info.size; i++) {
CpWinInfo cp_wininfo = cpinfo->win_info.items[i];
win_T *win = cp_wininfo.win;

5
test/functional/ui/inccommand_spec.lua
View File

@ -174,9 +174,12 @@ describe(":substitute, 'inccommand' preserves", function()
it("'undolevels' (inccommand="..case..")", function()
feed_command("set undolevels=139")
feed_command("setlocal undolevels=34")
feed_command("split") -- Show the buffer in multiple windows
feed_command("set inccommand=" .. case)
insert("as")
feed(":%s/as/glork/<enter>")
feed(":%s/as/glork/")
poke_eventloop()
feed("<enter>")
eq(meths.get_option_value('undolevels', {scope='global'}), 139)
eq(meths.get_option_value('undolevels', {buf=0}), 34)
end)