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Diffstat (limited to 'tests/cp/preserve-slink-time.sh')
-rwxr-xr-x | tests/cp/preserve-slink-time.sh | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/cp/preserve-slink-time.sh b/tests/cp/preserve-slink-time.sh new file mode 100755 index 0000000..3054d79 --- /dev/null +++ b/tests/cp/preserve-slink-time.sh @@ -0,0 +1,51 @@ +#!/bin/sh +# Verify that cp -Pp preserves times even on symlinks. + +# Copyright (C) 2009-2016 Free Software Foundation, Inc. + +# This program 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 of the License, or +# (at your option) any later version. + +# This program 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, see <http://www.gnu.org/licenses/>. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ cp + +grep '^#define HAVE_UTIMENSAT 1' "$CONFIG_HEADER" > /dev/null || +grep '^#define HAVE_LUTIMES 1' "$CONFIG_HEADER" > /dev/null || + skip_ 'this system lacks the utimensat function' + +ln -s no-such dangle || framework_failure_ + +# If the current file system lacks sub-second resolution, sleep for 2s to +# ensure that the times on the copy are different from those of the original. +case $(stat --format=%y dangle) in + ??:??:??.000000000) sleep 2;; +esac + +copy_timestamp_() { + sleep $1 + rm -f d2 + cp -Pp dangle d2 || framework_failure_ + # Can't use --format=%x, as lstat() modifies atime on some platforms. + stat --format=%y dangle > t1 || framework_failure_ + stat --format=%y d2 > t2 || framework_failure_ + compare t1 t2 +} + +# We retry with a delay at least 1.5s because on GPFS +# it was seen that the timestamp wasn't updated unless there +# was sufficient delay between the ln and cp. +# I.e., if there wasn't sufficient difference in +# the timestamp being updated, the update was discarded. +retry_delay_ copy_timestamp_ .1 4 || fail=1 + +Exit $fail |