44 lines
1.5 KiB
Bash
Executable file
44 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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# Make sure cp --attributes-only doesn't truncate existing data
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# Copyright 2012-2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ cp
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printf '1' > file1 || framework_failure_
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printf '2' > file2 || framework_failure_
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printf '2' > file2.exp || framework_failure_
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cp --attributes-only file1 file2 || fail=1
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cmp file2 file2.exp || fail=1
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# coreutils v8.32 and before would remove destination files
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# if hardlinked or the source was not a regular file.
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ln file2 link2 || framework_failure_
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cp -a --attributes-only file1 file2 || fail=1
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cmp file2 file2.exp || fail=1
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ln -s file1 sym1 || framework_failure_
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returns_ 1 cp -a --attributes-only sym1 file2 || fail=1
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cmp file2 file2.exp || fail=1
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# One can still force removal though
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cp -a --remove-destination --attributes-only sym1 file2 || fail=1
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test -L file2 || fail=1
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cmp file1 file2 || fail=1
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Exit $fail
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