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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:46:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:46:38 +0000 |
commit | a06ac93dcf311dac3943cb5d96ad47625d413c2d (patch) | |
tree | 6efda5e24896e7920ccac1f97aecc73406525040 /tests/mv/hard-3.sh | |
parent | Initial commit. (diff) | |
download | coreutils-a06ac93dcf311dac3943cb5d96ad47625d413c2d.tar.xz coreutils-a06ac93dcf311dac3943cb5d96ad47625d413c2d.zip |
Adding upstream version 8.30.upstream/8.30upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mv/hard-3.sh')
-rwxr-xr-x | tests/mv/hard-3.sh | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/mv/hard-3.sh b/tests/mv/hard-3.sh new file mode 100755 index 0000000..ec26b65 --- /dev/null +++ b/tests/mv/hard-3.sh @@ -0,0 +1,69 @@ +#!/bin/sh +# Ensure that using 'cp --preserve=link' to copy hard-linked arguments +# onto existing destinations works, even when one of the link operations fails. + +# Copyright (C) 2003-2018 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 <https://www.gnu.org/licenses/>. + + +# This bug was fixed in coreutils-4.5.9. +# To exercise this bug is non-trivial: +# Set-up requires at least three hard-linked files. In copying them, +# while preserving links, the initial copy must succeed, the attempt +# to create the second file via 'link' must fail, and the final 'link' +# (to create the third) must succeed. Before the corresponding fix, +# the first and third destination files would not be linked. +# +# Note that this is nominally a test of 'cp', yet it is in the tests/mv +# directory, because it requires use of the --preserve=link option that +# mv enables by default. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ cp +skip_if_root_ + +mkdir -p x dst/x || framework_failure_ +touch dst/x/b || framework_failure_ +chmod a-w dst/x +touch a || framework_failure_ +ln a x/b || framework_failure_ +ln a c || framework_failure_ + + +# ====================================== +# This must fail -- because x/b cannot be unlinked. +cp --preserve=link --parents a x/b c dst 2> /dev/null && fail=1 + +# Source files must remain. +test -f a || fail=1 +test -f x/b || fail=1 +test -f c || fail=1 +cd dst + +# Three destination files must exist. +test -f a || fail=1 +test -f x/b || fail=1 +test -f c || fail=1 + +# The i-node numbers of a and c must be the same. +ia=$(ls -i a) || fail=1; set x $ia; ia=$2 +ic=$(ls -i c) || fail=1; set x $ic; ic=$2 +test "$ia" = "$ic" || fail=1 + +# The i-node number of x/b must be different. +ib=$(ls -i x/b) || fail=1; set x $ib; ib=$2 +test "$ia" = "$ib" && fail=1 + +Exit $fail |