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Date:      Wed, 29 Dec 2021 20:15:04 GMT
From:      Ed Maste <emaste@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: edadbb46065d - main - ar: deprecate -T option
Message-ID:  <202112292015.1BTKF4w6061804@gitrepo.freebsd.org>

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The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=edadbb46065d9ee9559140b2522197fcdba57064

commit edadbb46065d9ee9559140b2522197fcdba57064
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2021-12-29 19:59:06 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2021-12-29 20:14:06 +0000

    ar: deprecate -T option
    
    Other ar implementations (GNU, LLVM) use -T to mean thin archive
    rather than use only the first fifteen characters of the archive member
    name.  We support both -T and -f for this, with -f documented as an
    alias of -T.
    
    An exp-run showed that the ports invoking `ar -T` expect thin archives,
    not truncated names.  Switch -f to be the documented flag for this
    behaviour, and emit a warning when -T is used.
    
    The warning will be changed to an error in the future (in main), once
    ports no longer use -T.
    
    PR:             260523 [exp-run]
    MFC after:      1 week
    Sponsored by:   The FreeBSD Foundation
---
 usr.bin/ar/ar.1 | 14 +++++++++-----
 usr.bin/ar/ar.c |  6 +++++-
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/usr.bin/ar/ar.1 b/usr.bin/ar/ar.1
index 9d9a860e6ca5..ce0dab1c5af7 100644
--- a/usr.bin/ar/ar.1
+++ b/usr.bin/ar/ar.1
@@ -23,7 +23,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 16, 2016
+.Dd December 29, 2021
 .Dt AR 1
 .Os
 .Sh NAME
@@ -222,8 +222,8 @@ and
 .Fl U
 options are specified on the command line, the final one takes precedence.
 .It Fl f
-Synonymous with option
-.Fl T .
+Use only the first fifteen characters of the archive member name or
+command line file name argument when naming archive members.
 .It Fl i Ar member-before
 Synonymous with option
 .Fl b .
@@ -314,8 +314,12 @@ List the files specified by arguments
 in the order in which they appear in the archive, one per line.
 If no files are specified, all files in the archive are listed.
 .It Fl T
-Use only the first fifteen characters of the archive member name or
-command line file name argument when naming archive members.
+Deprecated alias for
+.Fl f .
+In other implementations of
+.Nm ,
+.Fl T
+creates a "thin" archive.
 .It Fl u
 Conditionally update the archive or extract members.
 When used with the
diff --git a/usr.bin/ar/ar.c b/usr.bin/ar/ar.c
index fdfebb8eb459..4353efcb0ff2 100644
--- a/usr.bin/ar/ar.c
+++ b/usr.bin/ar/ar.c
@@ -66,6 +66,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/types.h>
 #include <archive.h>
+#include <err.h>
 #include <errno.h>
 #include <getopt.h>
 #include <libgen.h>
@@ -193,7 +194,6 @@ main(int argc, char **argv)
 			Uflag = 0;
 			break;
 		case 'f':
-		case 'T':
 			bsdar->options |= AR_TR;
 			break;
 		case 'j':
@@ -226,6 +226,10 @@ main(int argc, char **argv)
 		case 's':
 			bsdar->options |= AR_S;
 			break;
+		case 'T':
+			warnx("-T is deprecated");
+			bsdar->options |= AR_TR;
+			break;
 		case 't':
 			set_mode(bsdar, opt);
 			break;



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