vim-patch:7.4.1913 (#5260)

Problem:    When ":doautocmd" is used modelines are used even when no
            autocommands were executed. (Daniel Hahler)
Solution:   Skip processing modelines. (closes vim/vim#854)

https://github.com/vim/vim/commit/1610d052413e0ed664498853a47acc2d677a22d1

1 files changed, 7 insertions, 4 deletions

diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index 967c4fc5b4..e3ca177029 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -4364,12 +4364,15 @@ static void ex_autocmd(exarg_T *eap)
  */
 static void ex_doautocmd(exarg_T *eap)
 {
-  char_u      *arg = eap->arg;
+  char_u *arg = eap->arg;
   int call_do_modelines = check_nomodeline(&arg);
+  bool did_aucmd;
 
-  (void)do_doautocmd(arg, TRUE);
-  if (call_do_modelines)    /* Only when there is no <nomodeline>. */
+  (void)do_doautocmd(arg, true, &did_aucmd);
+  // Only when there is no <nomodeline>.
+  if (call_do_modelines && did_aucmd) {
     do_modelines(0);
+  }
 }
 
 /*
@@ -9464,7 +9467,7 @@ static void ex_filetype(exarg_T *eap)
       }
     }
     if (*arg == 'd') {
-      (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
+      (void)do_doautocmd((char_u *)"filetypedetect BufRead", true, NULL);
       do_modelines(0);
     }
   } else if (STRCMP(arg, "off") == 0) {