[src/trunk]: src/bin/pax Add the timestamp option to the pax front end.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a976467713a0
branches:  trunk
changeset: 342382:a976467713a0
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Dec 19 18:45:52 2015 +0000

description:
Add the timestamp option to the pax front end.

diffstat:

 bin/pax/options.c |  14 ++++++++++++--
 bin/pax/pax.1     |  17 +++++++++++++++--
 2 files changed, 27 insertions(+), 4 deletions(-)

diffs (80 lines):

diff -r 0e6aa59fb4c2 -r a976467713a0 bin/pax/options.c
--- a/bin/pax/options.c Sat Dec 19 18:28:54 2015 +0000
+++ b/bin/pax/options.c Sat Dec 19 18:45:52 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: options.c,v 1.117 2015/12/19 18:28:54 christos Exp $   */
+/*     $NetBSD: options.c,v 1.118 2015/12/19 18:45:52 christos Exp $   */
 
 /*-
  * Copyright (c) 1992 Keith Muller.
@@ -42,7 +42,7 @@
 #if 0
 static char sccsid[] = "@(#)options.c  8.2 (Berkeley) 4/18/94";
 #else
-__RCSID("$NetBSD: options.c,v 1.117 2015/12/19 18:28:54 christos Exp $");
+__RCSID("$NetBSD: options.c,v 1.118 2015/12/19 18:45:52 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -257,6 +257,8 @@
                                                OPT_XZ },
        { "gnu",                no_argument,            0,
                                                OPT_GNU },
+       { "timestamp",          required_argument,      0,
+                                               OPT_TIMESTAMP },
        { 0,                    0,                      0,
                                                0 },
 };
@@ -667,6 +669,14 @@
                case OPT_GNU:
                        is_gnutar = 1;
                        break;
+#ifndef SMALL
+               case OPT_TIMESTAMP:
+                       if (set_tstamp(optarg, &tst) == -1) {
+                               tty_warn(1, "Invalid timestamp `%s'", optarg);
+                               tar_usage();
+                       }
+                       break;
+#endif
                case '?':
                default:
                        pax_usage();
diff -r 0e6aa59fb4c2 -r a976467713a0 bin/pax/pax.1
--- a/bin/pax/pax.1     Sat Dec 19 18:28:54 2015 +0000
+++ b/bin/pax/pax.1     Sat Dec 19 18:45:52 2015 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: pax.1,v 1.65 2015/11/04 09:24:14 wiz Exp $
+.\"    $NetBSD: pax.1,v 1.66 2015/12/19 18:45:52 christos Exp $
 .\"
 .\" Copyright (c) 1992 Keith Muller.
 .\" Copyright (c) 1992, 1993
@@ -33,7 +33,7 @@
 .\"
 .\"    @(#)pax.1       8.4 (Berkeley) 4/18/94
 .\"
-.Dd November 3, 2015
+.Dd December 19, 2015
 .Dt PAX 1
 .Os
 .Sh NAME
@@ -742,6 +742,19 @@
 file pathname length, file size, link pathname length and the type of the file.
 .It Fl Fl gnu
 Recognize GNU tar extensions.
+.It Fl Fl timestamp Ar timestamp
+Store all modification times in the archive with the
+.Ar timestamp
+given instead of the actual modification time of the individual archive member
+so that repeatable builds are possible.
+The 
+.Ar timestamp
+can be a
+.Pa pathname ,
+where the timestamps are derived from that file, a parseable date for
+.Xr parsedate 3
+(this option is not yet available in the tools build), or an integer value
+interpreted as the number of seconds from the Epoch.
 .It Fl Fl xz
 Use
 .Xr xz 1