updated for version 7.3.646
Problem: When reloading a buffer the undo file becomes unusable unless ":w"
is executed. (Dmitri Frank)
Solution: After reloading the buffer write the undo file. (Christian
Brabandt)
diff --git a/src/fileio.c b/src/fileio.c
index df69423..a3113d7 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7060,8 +7060,23 @@
}
if (reload)
+ {
/* Reload the buffer. */
buf_reload(buf, orig_mode);
+#ifdef FEAT_PERSISTENT_UNDO
+ if (buf->b_p_udf && buf->b_ffname != NULL)
+ {
+ char_u hash[UNDO_HASH_SIZE];
+ buf_T *save_curbuf = curbuf;
+
+ /* Any existing undo file is unusable, write it now. */
+ curbuf = buf;
+ u_compute_hash(hash);
+ u_write_undo(NULL, FALSE, buf, hash);
+ curbuf = save_curbuf;
+ }
+#endif
+ }
#ifdef FEAT_AUTOCMD
/* Trigger FileChangedShell when the file was changed in any way. */
diff --git a/src/version.c b/src/version.c
index f30551b..2f20fa6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 646,
+/**/
645,
/**/
644,
