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# make sure chgrp is reasonable
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# Copyright (C) 2000-2011 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 <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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require_membership_in_two_groups_
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chgrp $g2 f2 || fail=1
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chgrp -R $g1 d || fail=1
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chgrp $g1 f || fail=1 ; test `stat --p=%g f` = $g1 || fail=1
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chgrp $g2 f || fail=1 ; test `stat --p=%g f` = $g2 || fail=1
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chgrp $g2 f || fail=1 ; test `stat --p=%g f` = $g2 || fail=1
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chgrp '' f || fail=1 ; test `stat --p=%g f` = $g2 || fail=1
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chgrp $g1 f || fail=1 ; test `stat --p=%g f` = $g1 || fail=1
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chgrp $g1 f || fail=1 ; test `stat --p=%g f` = $g1 || fail=1
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chgrp --reference=f2 f ; test `stat --p=%g f` = $g2 || fail=1
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chgrp -R $g2 d ||fail=1; test `stat --p=%g: $d_files` = "$g2:$g2:" || fail=1
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chgrp -R $g1 d ||fail=1; test `stat --p=%g: $d_files` = "$g1:$g1:" || fail=1
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chgrp -R $g2 d ||fail=1; test `stat --p=%g: $d_files` = "$g2:$g2:" || fail=1
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chgrp -R $g1 d ||fail=1; test `stat --p=%g: $d_files` = "$g1:$g1:" || fail=1
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chgrp $g2 d ||fail=1; test `stat --p=%g: $d_files` = "$g2:$g1:" || fail=1
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test `stat --printf=%g f` = $g1 || fail=1
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# This should not change the group of f.
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test `stat --printf=%g f` = $g1 || fail=1
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# Don't fail if chgrp failed to set the group of a symlink.
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# Some systems don't support that.
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test `stat --printf=%g symlink` = $g2 ||
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echo 'info: failed to set group of symlink' 1>&2
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chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
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# This *should* change the group of f.
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# Though note that the diagnostic is misleading in that
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# it says the `group of `symlink'' has been changed.
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chgrp $g1 symlink; test `stat --printf=%g f` = $g1 || fail=1
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chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
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# If -R is specified without -H or L, -h is assumed.
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chgrp -h $g1 f symlink; test `stat --printf=%g symlink` = $g1 || fail=1
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chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
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# Make sure we can change the group of inaccessible files.
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chown --from=:$g2 :$g1 f; test `stat --printf=%g f` = $g1 || fail=1
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chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
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# chown() must not be optimized away even when
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# the file's owner and group already have the desired value.
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# The following no-change chgrp command is supposed to update f's ctime,
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# but on OpenBSD and Darwin 7.9.0-8.11.1 (aka MacOS X 10.3.9 - 10.4.11)
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# it appears to be a no-op for some file system types (at least NFS) so g's
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# ctime is more recent. This is not a big deal;
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# this test works fine when the files are on a local file system (/tmp).
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test "`ls -C -c -t f g`" = 'f g' || \
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case $host_triplet in
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*openbsd*) echo ignoring known OpenBSD-specific chgrp failure 1>&2 ;;
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*darwin7.9.*|*darwin8.*)
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echo ignoring known MacOS X-specific chgrp failure 1>&2 ;;
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*) echo $host_triplet: no-change chgrp failed to update ctime 1>&2;