commit de653f08805dde14424d417502a0480a6ad292f8
author Bram Moolenaar <Bram@vim.org> Sat Sep 03 16:59:06 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Sep 03 16:59:06 2016 +0200
tree 455032d1febac1d084c69e3ca2cc7bb08b8def3b
parent b62cc36a600e2e1e5a1d1d484fef89898c847c4c

patch 7.4.2314
Problem:    No error when deleting an augroup while it's the current one.
Solution:   Disallow deleting an augroup when it's the current one.

src/fileio.c

diff --git a/src/fileio.c b/src/fileio.c
index 6d5ed19..ea1f338 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -8017,6 +8017,8 @@
     i = au_find_group(name);
     if (i == AUGROUP_ERROR)	/* the group doesn't exist */
 	EMSG2(_("E367: No such group: \"%s\""), name);
+    else if (i == current_augroup)
+	EMSG(_("E936: Cannot delete the current group"));
     else
     {
 	event_T	event;

src/testdir/test_autocmd.vim

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 7d786c8..f05a55f 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -182,13 +182,17 @@
   doautocmd VimEnter
   redir END
   call assert_true(match(res, "W19:") < 0)
+  au! VimEnter
 endfunc
 
 func Test_augroup_deleted()
-  " This caused a crash
+  " This caused a crash before E936 was introduced
   augroup x
+    call assert_fails('augroup! x', 'E936:')
+    au VimEnter * echo
+  augroup end
   augroup! x
-  au VimEnter * echo
-  au VimEnter
+  call assert_true(match(execute('au VimEnter'), "-Deleted-.*VimEnter") >= 0)
+  au! VimEnter
 endfunc
 

src/version.c

diff --git a/src/version.c b/src/version.c
index 8c10a94..eb1c302 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2314,
+/**/
     2313,
 /**/
     2312,