commit 7da1fb5532890d9c15cdb5b9bec158f9f9c105a7
author Bram Moolenaar <Bram@vim.org> Sat Aug 04 16:54:11 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Aug 04 16:54:11 2018 +0200
tree 154175fbc4976c586ac95cd7448f6339d8e7a37f
parent 87ea64ca965ca00b3e72776c39355964293f2ace

patch 8.1.0238: 'buftype' is cleared when using ":term ++hidden cat"

Problem:    'buftype' is cleared when using ":term ++hidden cat". (Marcin
            Szamotulski)
Solution:   Set the "options initialized" flag earlier. (closes #3278)

src/terminal.c

diff --git a/src/terminal.c b/src/terminal.c
index 22b90c8..427e027 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -529,6 +529,8 @@
 
     set_string_option_direct((char_u *)"buftype", -1,
 				  (char_u *)"terminal", OPT_FREE|OPT_LOCAL, 0);
+    // Avoid that 'buftype' is reset when this buffer is entered.
+    curbuf->b_p_initialized = TRUE;
 
     /* Mark the buffer as not modifiable. It can only be made modifiable after
      * the job finished. */