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coreutils/tests/cp/parent-perm-race
Jim Meyering e43d30eab3 tests: convert nearly all ... expressions to $(...)
Exempt init.sh because it runs before we're assured to have a
shell that groks $(...).  Exempt *.mk because "$" would have to
be doubled, and besides, any `...` expression in a .mk file is
almost certainly evaluated before init.sh is run.  Finally, also
exempt the perl-based tests, because perl's `...` cannot be
converted to $(...).  Do that by running this command:

git grep -l '`.*`' tests \
  | grep -Ev 'init\.sh|\.mk$' | xargs grep -Lw perl \
  | xargs perl -pi -e 's/`(.*?)`/\$($1)/g'

One minor fix-up change was required after that, due to how
quoting differs:
diff --git a/tests/chmod/equals b/tests/chmod/equals
-    expected_perms=$(eval 'echo \$expected_'$dest)
+    expected_perms=$(eval 'echo $expected_'$dest)

Another was to make these required quoting adjustments:
diff --git a/tests/misc/stty b/tests/misc/stty
...
-  rev=$(eval echo "\\\$REV_$opt")
+  rev=$(eval echo "\$REV_$opt")
...
-      rev1=$(eval echo "\\\$REV_$opt1")
-      rev2=$(eval echo "\\\$REV_$opt2")
+      rev1=$(eval echo "\$REV_$opt1")
+      rev2=$(eval echo "\$REV_$opt2")

Also, transform two files that were needlessly excluded above:
(both use perl, but are mostly bourne shell)

  perl -pi -e 's/`(.*?)`/\$($1)/g' \
    tests/du/long-from-unreadable tests/init.cfg
2012-04-04 12:20:56 +02:00

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#!/bin/sh
# Make sure cp -pR --parents isn't too generous with parent permissions.
# Copyright (C) 2006-2012 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=.}/init.sh"; path_prepend_ ../src
print_ver_ cp
# cp -p gives ENOTSUP on NFS on Linux 2.6.9 at least
require_local_dir_
umask 002
mkdir mode ownership d || framework_failure_
chmod g+s d 2>/dev/null # The cp test is valid either way.
for attr in mode ownership
do
mkfifo_or_skip_ $attr/fifo
# Copy a fifo's contents. That way, we can examine d/$attr's
# state while cp is running.
cp --preserve=$attr -R --copy-contents --parents $attr d &
cp_pid=$!
(
# Now 'cp' is reading the fifo.
# Check the permissions of the temporary destination
# directory that 'cp' has made.
ls -ld d/$attr >d/$attr.ls
# Close the fifo so that "cp" can continue. But output first,
# before exiting, otherwise some shells would optimize away the file
# descriptor that holds the fifo open.
echo foo
) >$attr/fifo
ls_output=$(cat d/$attr.ls) || fail=1
case $attr,$ls_output in
ownership,d???--[-S]--[-S]* | \
mode,d????-??-?* | \
mode,d??[-x]?w[-x]?-[-x]* )
;;
*)
fail=1;;
esac
wait $cp_pid || fail=1
done
Exit $fail