Module Name:    src
Committed By:   riastradh
Date:           Mon Aug  5 04:05:51 UTC 2024

Modified Files:
        src/bin/pax: pax.c
        src/tests/bin/pax: t_pax.sh

Log Message:
pax(1): Don't require open(".") or getcwd to work for list operation.

PR 44498: tar(1) unnecessarily demands that getcwd() work


To generate a diff of this commit:
cvs rdiff -u -r1.49 -r1.50 src/bin/pax/pax.c
cvs rdiff -u -r1.3 -r1.4 src/tests/bin/pax/t_pax.sh

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/bin/pax/pax.c
diff -u src/bin/pax/pax.c:1.49 src/bin/pax/pax.c:1.50
--- src/bin/pax/pax.c:1.49	Wed Apr 24 17:27:08 2019
+++ src/bin/pax/pax.c	Mon Aug  5 04:05:51 2024
@@ -1,4 +1,4 @@
-/*	$NetBSD: pax.c,v 1.49 2019/04/24 17:27:08 cheusov Exp $	*/
+/*	$NetBSD: pax.c,v 1.50 2024/08/05 04:05:51 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 1992 Keith Muller.
@@ -44,7 +44,7 @@ __COPYRIGHT("@(#) Copyright (c) 1992, 19
 #if 0
 static char sccsid[] = "@(#)pax.c	8.2 (Berkeley) 4/18/94";
 #else
-__RCSID("$NetBSD: pax.c,v 1.49 2019/04/24 17:27:08 cheusov Exp $");
+__RCSID("$NetBSD: pax.c,v 1.50 2024/08/05 04:05:51 riastradh Exp $");
 #endif
 #endif /* not lint */
 
@@ -260,15 +260,19 @@ main(int argc, char **argv)
 		return exit_val;
 
 	/*
-	 * Keep a reference to cwd, so we can always come back home.
+	 * For any actions other than LIST, keep a reference to cwd, so
+	 * we can always come back home.
 	 */
-	cwdfd = open(".", O_RDONLY);
-	if (cwdfd < 0) {
-		syswarn(1, errno, "Can't open current working directory.");
-		return exit_val;
+	if (act != LIST) {
+		cwdfd = open(".", O_RDONLY);
+		if (cwdfd < 0) {
+			syswarn(1, errno,
+			    "Can't open current working directory.");
+			return exit_val;
+		}
+		if (updatepath() == -1)
+			return exit_val;
 	}
-	if (updatepath() == -1)
-		return exit_val;
 
 	/*
 	 * Where should we put temporary files?

Index: src/tests/bin/pax/t_pax.sh
diff -u src/tests/bin/pax/t_pax.sh:1.3 src/tests/bin/pax/t_pax.sh:1.4
--- src/tests/bin/pax/t_pax.sh:1.3	Mon Aug  5 03:55:04 2024
+++ src/tests/bin/pax/t_pax.sh	Mon Aug  5 04:05:51 2024
@@ -1,4 +1,4 @@
-# $NetBSD: t_pax.sh,v 1.3 2024/08/05 03:55:04 riastradh Exp $
+# $NetBSD: t_pax.sh,v 1.4 2024/08/05 04:05:51 riastradh Exp $
 #
 # Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -60,8 +60,6 @@ pr44498_body()
 	chmod 111 foo
 	touch baz/quux
 	atf_check pax -w -x ustar -f baz.tar baz
-	atf_expect_fail 'PR bin/44498:' \
-	    'tar(1) unnecessarily demands that getcwd() work'
 	atf_check -o 'inline:baz\nbaz/quux\n' \
 	    sh -c '{ cd foo/bar && exec pax; } <baz.tar'
 }

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