diff options
author | Eric Blake <ebb9@byu.net> | 2009-10-17 07:55:05 -0600 |
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committer | Eric Blake <ebb9@byu.net> | 2009-10-17 14:36:28 -0600 |
commit | 9e13b6a0b41532b63778aa67df40710df41174eb (patch) | |
tree | b57f5cfb5452b54d42e3b81d25aa1bde32966bf2 /tests/touch | |
parent | 527fb951def33fd76302e06f30e7221abd516ab6 (diff) | |
download | coreutils-9e13b6a0b41532b63778aa67df40710df41174eb.tar.xz |
touch: add -h to change symlink timestamps, where supported
* src/touch.c (no_dereference): New flag variable.
(longopts): Add -h/--no-dereference.
(touch): Add symlink handling.
(usage): Document new option.
(main): Accept new option.
* NEWS: Document it.
* doc/coreutils.texi (touch invocation): Likewise. Also mention
birthtime.
* tests/touch/no-dereference: New test.
* tests/Makefile.am (TESTS): Run it.
Diffstat (limited to 'tests/touch')
-rwxr-xr-x | tests/touch/no-dereference | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/touch/no-dereference b/tests/touch/no-dereference new file mode 100755 index 000000000..28527e857 --- /dev/null +++ b/tests/touch/no-dereference @@ -0,0 +1,80 @@ +#!/bin/sh +# Ensure that touch -h works. + +# Copyright (C) 2009 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/>. + +if test "$VERBOSE" = yes; then + set -x + touch --version +fi + +. $srcdir/test-lib.sh + +ln -s nowhere dangling || framework_failure +touch file || framework_failure +ln -s file link || framework_failure + +fail=0 + +# These first tests should work on every platform. +# -h does not create files, but it warns. Use -c to silence warning. +touch -h no-file 2> err && fail=1 +test -s err || fail=1 +touch -h -c no-file 2> err || fail=1 +test -s err && fail=1 + +# -h works on regular files +touch -h file || fail=1 + +# -h coupled with -r uses timestamp of the symlink, not the referent. +touch -h -r dangling file || fail=1 +test -f nowhere && fail=1 + +# The remaining tests of -h require kernel support for changing symlink times. +grep '^#define HAVE_UTIMENSAT' "$CONFIG_HEADER" > /dev/null || +grep '^#define HAVE_LUTIMES' "$CONFIG_HEADER" > /dev/null || + skip_test_ 'this system lacks the utimensat function' + +# Changing time of dangling symlink is okay. +touch -h dangling || fail=1 +test -f nowhere && fail=1 + +# Change the mtime of a symlink. +touch -m -h -d 2009-10-10 link || fail=1 +case `stat --format=%y link` in + 2009-10-10*) ;; + *) fail=1 ;; +esac +case `stat --format=%y file` in + 2009-10-10*) fail=1;; +esac + +# Test interactions with -. +touch -h - > file || fail=1 + +test="$abs_top_builddir/src/test" + +# If >&- works, test "touch -ch -" etc. +# >&- apparently does not work in HP-UX 11.23. +# This test is ineffective unless /dev/stdout also works. +# If stdout is open, it is not a symlink. +if "$test" -w /dev/stdout >/dev/null && + "$test" ! -w /dev/stdout >&-; then + touch -h - >&- && fail=1 + touch -h -c - >&- || fail=1 +fi + +Exit $fail |