mirror of
git://git.sv.gnu.org/coreutils
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Collin Funk
04b757da79
* tests/misc/just-created.sh: New file. * tests/local.mk (all_tests): Add the test case.
99 lines
2.9 KiB
Bash
Executable File
99 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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# Test that 'cp', 'mv', and 'install' don't remove just-created files.
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# Copyright (C) 2026 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ cp ginstall mv
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# Setup the files we expect to see.
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echo a > exp-a || framework_failure_
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echo b > exp-b || framework_failure_
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# Setup the initial files and directories for testing.
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reset_files ()
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{
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rm -rf a b c &&
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mkdir a b c &&
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cat exp-a > a/f &&
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cat exp-b > b/f || framework_failure_
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}
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# Check that we don't lose data by overwriting a just-created file.
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for prog in cp ginstall mv; do
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cat <<EOF >exp || framework_failure_
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$prog: will not overwrite just-created 'c/f' with 'b/f'
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EOF
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for backup in '' off nil never; do
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test -n "$backup" && backup=--backup=$backup
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reset_files
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returns_ 1 $prog $backup a/f b/f c >out 2>err || fail=1
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compare /dev/null out || fail=1
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compare exp err || fail=1
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# Check if the file specified by the first argument exists.
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# That should not be the case for 'mv'.
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if test -f a/f; then
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test "$prog" != mv || fail=1
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compare exp-a a/f || fail=1
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else
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test $prog != mv && fail=1
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fi
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# Check the file specified by the second argument and the
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# just-created file.
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compare exp-b b/f || fail=1
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compare exp-a c/f || fail=1
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# No backups should be created.
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set -- c/*
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test -f "$1" || set --
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test $# -eq 1 || fail=1
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done
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done
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# With numbered backups there is no data loss if we perform the
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# requested operation.
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for prog in cp ginstall mv; do
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reset_files
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for i in $(seq 3); do
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cat exp-a > a/f || framework_failure_
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cat exp-b > b/f || framework_failure_
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$prog --backup=t a/f b/f c >out 2>err || fail=1
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compare /dev/null out || fail=1
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compare /dev/null err || fail=1
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# When using 'mv' both source files should no longer exist.
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# Otherwise, both files should exist.
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if test -f a/f; then
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test $prog != mv || fail=1
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compare exp-a a/f || fail=1
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compare exp-b b/f || fail=1
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else
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test $prog != mv && fail=1
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test -f b/f && fail=1
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fi
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# Test that the just created file exists.
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compare exp-b c/f || fail=1
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for j in $(seq $i); do
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if test $(($j % 2)) -eq 0; then
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exp=b
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else
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exp=a
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fi
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compare exp-$exp c/f.~$j~ || fail=1
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done
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done
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done
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Exit $fail
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