git: 60cacd2e41e1 - releng/13.0 - tail: fix "tail -F" file rotation detection

The branch releng/13.0 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=60cacd2e41e17aeaf7dcbdfe4057028a5b8b9d1a

commit 60cacd2e41e17aeaf7dcbdfe4057028a5b8b9d1a
Author:     Chuck Silvers <chs@FreeBSD.org>
AuthorDate: 2021-02-02 00:21:14 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2022-01-10 14:51:54 +0000

    tail: fix "tail -F" file rotation detection
    
    When checking if the newly opened file is the same as the old one,
    we need to fstat() the new file descriptor, not the old one again.
    
    Reviewed by:    glebius
    Sponsored by:   Netflix
    
    (cherry picked from commit 7787e7eed9d2a43fb6eb66666040f1b495995a2f)
    (cherry picked from commit 8c59e863e2c03c3b4ab2c403243561a4cc4fcb10)
    
    Approved by:    so
    Errata:         FreeBSD-EN-22:05.tail
---
 usr.bin/tail/forward.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.bin/tail/forward.c b/usr.bin/tail/forward.c
index 2888bd18816e..878cb5a4550b 100644
--- a/usr.bin/tail/forward.c
+++ b/usr.bin/tail/forward.c
@@ -367,7 +367,7 @@ follow(file_info_t *files, enum STYLE style, off_t off)
 					continue;
 				ftmp = fileargs_fopen(fa, file->file_name, "r");
 				if (ftmp == NULL ||
-				    fstat(fileno(file->fp), &sb2) == -1) {
+				    fstat(fileno(ftmp), &sb2) == -1) {
 					if (errno != ENOENT)
 						ierr(file->file_name);
 					show(file);