From 16f87427420335af008672fbc170824c1ff9669c Mon Sep 17 00:00:00 2001
From: claudio <claudio@openbsd.org>
Date: Mon, 27 Nov 2023 11:30:49 +0000
Subject: [PATCH] Implement --omit-link-times / -J based on the
 --omit-dir-times work done by job@. OK tb@

---
 usr.bin/rsync/extern.h   |  3 ++-
 usr.bin/rsync/fargs.c    |  4 +++-
 usr.bin/rsync/main.c     | 16 +++++++++++-----
 usr.bin/rsync/receiver.c |  5 +++--
 4 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/usr.bin/rsync/extern.h b/usr.bin/rsync/extern.h
index abb59987345..a36d9371542 100644
--- a/usr.bin/rsync/extern.h
+++ b/usr.bin/rsync/extern.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: extern.h,v 1.46 2023/11/23 11:59:53 job Exp $ */
+/*	$OpenBSD: extern.h,v 1.47 2023/11/27 11:30:49 claudio Exp $ */
 /*
  * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -147,6 +147,7 @@ struct	opts {
 	int		 one_file_system;	/* -x */
 	int		 ignore_times;		/* -I */
 	int		 ignore_dir_times;	/* -O */
+	int		 ignore_link_times;	/* -J */
 	int		 size_only;		/* --size-only */
 	int		 alt_base_mode;
 	off_t		 max_size;		/* --max-size */
diff --git a/usr.bin/rsync/fargs.c b/usr.bin/rsync/fargs.c
index bafa6c1841c..cbc8537f38c 100644
--- a/usr.bin/rsync/fargs.c
+++ b/usr.bin/rsync/fargs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fargs.c,v 1.25 2023/11/23 11:59:53 job Exp $ */
+/*	$OpenBSD: fargs.c,v 1.26 2023/11/27 11:30:49 claudio Exp $ */
 /*
  * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -142,6 +142,8 @@ fargs_cmdline(struct sess *sess, const struct fargs *f, size_t *skip)
 	if (f->mode == FARGS_SENDER) {
 		if (sess->opts->ignore_dir_times)
 			addargs(&args, "-O");
+		if (sess->opts->ignore_link_times)
+			addargs(&args, "-J");
 		if (sess->opts->size_only)
 			addargs(&args, "--size-only");
 
diff --git a/usr.bin/rsync/main.c b/usr.bin/rsync/main.c
index 0bbdbb0352c..15d936411b1 100644
--- a/usr.bin/rsync/main.c
+++ b/usr.bin/rsync/main.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: main.c,v 1.70 2023/11/27 10:14:19 claudio Exp $ */
+/*	$OpenBSD: main.c,v 1.71 2023/11/27 11:30:49 claudio Exp $ */
 /*
  * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -323,7 +323,10 @@ const struct option	 lopts[] = {
     { "numeric-ids",	no_argument,	&opts.numeric_ids,	1 },
     { "omit-dir-times",	no_argument,	&opts.ignore_dir_times,	1 },
     { "no-O",		no_argument,	&opts.ignore_dir_times,	0 },
-    { "no-omit-dir-times",	no_argument,	&opts.ignore_dir_times,	0 },
+    { "no-omit-dir-times",	no_argument,	&opts.ignore_dir_times, 0 },
+    { "omit-link-times",	no_argument,	&opts.ignore_link_times, 1 },
+    { "no-J",		no_argument,	&opts.ignore_link_times, 0 },
+    { "no-omit-link-times",	no_argument,	&opts.ignore_link_times, 0 },
     { "owner",		no_argument,	&opts.preserve_uids,	1 },
     { "no-owner",	no_argument,	&opts.preserve_uids,	0 },
     { "perms",		no_argument,	&opts.preserve_perms,	1 },
@@ -366,8 +369,8 @@ main(int argc, char *argv[])
 
 	opts.max_size = opts.min_size = -1;
 
-	while ((c = getopt_long(argc, argv, "aDe:ghIlnOoprtVvxz", lopts, &lidx))
-	    != -1) {
+	while ((c = getopt_long(argc, argv, "aDe:ghIJlnOoprtVvxz",
+	    lopts, &lidx)) != -1) {
 		switch (c) {
 		case 'D':
 			opts.devices = 1;
@@ -392,6 +395,9 @@ main(int argc, char *argv[])
 		case 'I':
 			opts.ignore_times = 1;
 			break;
+		case 'J':
+			opts.ignore_link_times = 1;
+			break;
 		case 'l':
 			opts.preserve_links = 1;
 			break;
@@ -643,7 +649,7 @@ basedir:
 	exit(rc);
 usage:
 	fprintf(stderr, "usage: %s"
-	    " [-aDgIlnOoprtVvx] [-e program] [--address=sourceaddr]\n"
+	    " [-aDgIJlnOoprtVvx] [-e program] [--address=sourceaddr]\n"
 	    "\t[--contimeout=seconds] [--compare-dest=dir] [--del] [--exclude]\n"
 	    "\t[--exclude-from=file] [--include] [--include-from=file]\n"
 	    "\t[--no-motd] [--numeric-ids] [--port=portnumber]\n"
diff --git a/usr.bin/rsync/receiver.c b/usr.bin/rsync/receiver.c
index 90f54189415..2d055f38a3e 100644
--- a/usr.bin/rsync/receiver.c
+++ b/usr.bin/rsync/receiver.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: receiver.c,v 1.31 2021/10/24 21:24:17 deraadt Exp $ */
+/*	$OpenBSD: receiver.c,v 1.32 2023/11/27 11:30:49 claudio Exp $ */
 
 /*
  * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -114,7 +114,8 @@ rsync_set_metadata_at(struct sess *sess, int newfile, int rootfd,
 
 	/* Conditionally adjust file modification time. */
 
-	if (sess->opts->preserve_times) {
+	if (sess->opts->preserve_times &&
+	    !(S_ISLNK(f->st.mode) && sess->opts->ignore_link_times)) {
 		ts[0].tv_nsec = UTIME_NOW;
 		ts[1].tv_sec = f->st.mtime;
 		ts[1].tv_nsec = 0;
-- 
2.20.1