# 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.
AT_KEYWORDS([extract extrac11])
AT_TAR_CHECK([
+exec </dev/null
dirs='a
a/b
a/b/c
done
done
-# Check that "ulimit" itself works.
-((ulimit -n 100 &&
- tar -cf archive1.tar a 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- &&
- tar -xf archive1.tar -C dest1 a 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&-
- ) &&
- diff -r a dest1/a
+# Check that "ulimit" itself works. Close file descriptors before
+# invoking ulimit, to work around a bug (or a "feature") in some shells,
+# where they squirrel away dups of file descriptors into FD 10 and up
+# before closing the originals.
+( (exec 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- &&
+ ulimit -n 100 &&
+ tar -cf archive1.tar a &&
+ tar -xf archive1.tar -C dest1 a
+ ) &&
+ diff -r a dest1/a
) >/dev/null 2>&1 ||
AT_SKIP_TEST
# Another test that "ulimit" itself works:
# tar should fail when completely starved of file descriptors.
-((ulimit -n 4 &&
- tar -cf archive2.tar a 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- &&
- tar -xf archive2.tar -C dest2 a 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&-
- ) &&
- diff -r a dest2/a
+( (exec 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- &&
+ ulimit -n 4 &&
+ tar -cf archive2.tar a &&
+ tar -xf archive2.tar -C dest2 a
+ ) &&
+ diff -r a dest2/a
) >/dev/null 2>&1 &&
AT_SKIP_TEST
# Tar should work when there are few, but enough, file descriptors.
-((ulimit -n 10 &&
- tar -cf archive3.tar a 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- &&
- tar -xf archive3.tar -C dest3 a 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&-
- ) &&
- diff -r a dest3/a >/dev/null 2>&1
+( (exec 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- &&
+ ulimit -n 10 &&
+ tar -cf archive3.tar a &&
+ tar -xf archive3.tar -C dest3 a
+ ) &&
+ diff -r a dest3/a >/dev/null 2>&1
) || { diff -r a dest3/a; exit 1; }
],
[0],[],[],[],[],[gnu])