vim-patch:8.2.2695: cursor position reset with nested autocommands

Problem:    Cursor position reset with nested autocommands.
Solution:   Only check and reset line numbers for not nested autocommands.
            (closes vim/vim#5820)
https://github.com/vim/vim/commit/1e6bbfb5607c82d872070219c26e2aae20db68ed

N/A patches for version.c:

vim-patch:8.2.2700: nested autocmd test fails sometimes

Problem:    Nested autocmd test fails sometimes.
Solution:   Wait for the job to finish.
https://github.com/vim/vim/commit/6437475ffb421d6ac35572aa779ff24b70c5206b

vim-patch:8.2.2701: order of removing FORTIFY_SOURCE is wrong

Problem:    Order of removing FORTIFY_SOURCE is wrong.
Solution:   Use the more specific pattern first.
https://github.com/vim/vim/commit/26f201345dadef2a048db5aea804f6c1b54f1a0b

1 files changed, 10 insertions, 2 deletions

diff --git a/src/nvim/autocmd.c b/src/nvim/autocmd.c
index f71075ae74..145f6f5601 100644
--- a/src/nvim/autocmd.c
+++ b/src/nvim/autocmd.c
@@ -1621,13 +1621,21 @@ static bool apply_autocmds_group(event_T event,
       ap->last = false;
     }
     ap->last = true;
-    check_lnums(true);  // make sure cursor and topline are valid
+
+    if (nesting == 1) {
+      // make sure cursor and topline are valid
+      check_lnums(true);
+    }
 
     // Execute the autocmd. The `getnextac` callback handles iteration.
     do_cmdline(NULL, getnextac, (void *)&patcmd,
                DOCMD_NOWAIT | DOCMD_VERBOSE | DOCMD_REPEAT);
 
-    reset_lnums();  // restore cursor and topline, unless they were changed
+    if (nesting == 1) {
+      // restore cursor and topline, unless they were changed
+      reset_lnums();
+    }
+
 
     if (eap != NULL) {
       (void)set_cmdarg(NULL, save_cmdarg);