patch 8.2.3363: when :edit reuses the current buffer the alternate file is set
Problem: When :edit reuses the current buffer the alternate file is set to
the same buffer.
Solution: Only set the alternate file when not reusing the buffer.
(closes #8783)
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index d30db91..021296d 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -2648,6 +2648,8 @@
*/
if (other_file)
{
+ int prev_alt_fnum = curwin->w_alt_fnum;
+
if (!(flags & (ECMD_ADDBUF | ECMD_ALTBUF)))
{
if ((cmdmod.cmod_flags & CMOD_KEEPALT) == 0)
@@ -2691,6 +2693,10 @@
}
if (buf == NULL)
goto theend;
+ if (curwin->w_alt_fnum == buf->b_fnum && prev_alt_fnum != 0)
+ // reusing the buffer, keep the old alternate file
+ curwin->w_alt_fnum = prev_alt_fnum;
+
if (buf->b_ml.ml_mfp == NULL) // no memfile yet
{
oldbuf = FALSE;