Fix tar -c -l file file

[chaz/tar] / tests / link04.at

diff --git a/tests/link04.at b/tests/link04.at
index a950476b66a981ff96fc04dda73b5e6bc589e551..53ca31ca00c02f4086a583cb3434de965287460c 100644 (file)
--- a/tests/link04.at
+++ b/tests/link04.at
@@ -1,25 +1,31 @@
 # Process this file with autom4te to create testsuite. -*- Autotest -*-
 
 # Test suite for GNU tar.
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright 2010, 2013-2014 Free Software Foundation, Inc.
 
-# This program is free software; you can redistribute it and/or modify
+# This file is part of GNU tar.
+
+# GNU tar is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
 
-# This program is distributed in the hope that it will be useful,
+# GNU tar is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # written by Paul Eggert
 
+# Make sure that tar -c correctly handles the case where a file is
+# encountered multiple times, even though it has a link count of 1.
+# This can occur when "tar -c FOO FOO" is used; it can also occur when
+# "tar -ch FOO" is used, if FOO contains symbolic links that point to
+# the same file.
+
 AT_SETUP([link count is 1 but multiple occurrences])
 AT_KEYWORDS([hardlinks link04])
 
@@ -33,6 +39,10 @@ tar tvf archive | sed '
   s,.*[[0-9]] dir/,dir/,
 ' | sort
 
+echo --
+
+tar cfl archive dir dir
+
 echo ==
 
 tar chf archive dir
@@ -49,6 +59,7 @@ dir/file
 dir/file link to dir/file
 dir/symlink -> file
 dir/symlink link to dir/symlink
+--
 ==
 dir/
 dir/FOO