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1# This program is free software: you can redistribute it and/or modify
2# it under the terms of the GNU General Public License as published by
3# the Free Software Foundation, either version 3 of the License, or
4# (at your option) any later version.
5#
6# This program is distributed in the hope that it will be useful,
7# but WITHOUT ANY WARRANTY; without even the implied warranty of
8# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9# GNU General Public License for more details.
10#
11# You should have received a copy of the GNU General Public License
12# along with this program. If not, see <http://www.gnu.org/licenses/>.
13#
14
15# test that optimizing command lists doesn't inappropriately short-cut commands
16
17# also includes optimizing last command in a list separated by `;'
18
19if [ -x /bin/echo ] ; then
20 binecho=/bin/echo
21elif [ -x /usr/bin/echo ]; then
22 binecho=/usr/bin/echo
23else
24 enable -n echo
25 binecho=echo
26fi
27
28export binecho
29
30: ${THIS_SH:=./bash} ${TMPDIR:=/var/tmp}
31
32${THIS_SH} -c 'trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$'
33${THIS_SH} -c 'trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$ ; $binecho done'
34
35( trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$ )
36
37${THIS_SH} -c 'echo a && { $binecho b && $binecho c ; } && echo d'
38${THIS_SH} -c 'echo a && { $binecho b && $binecho c ; } && echo d ; $binecho e'
39
40${THIS_SH} -c 'echo A && $binecho B'
41${THIS_SH} -c '$binecho c && echo d'
42
43$THIS_SH -c '$binecho c && $binecho d && echo e'
44
45$THIS_SH -c 'trap "echo WORKS" EXIT ; $binecho x ; $binecho y ; $binecho z'
46
47${THIS_SH} -c 'echo w ; { echo x ; $binecho y; }; $binecho z'
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48
49echo =====
50
51( trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$ )
52( trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$ ; $binecho done )
53
54( echo a && { $binecho b && $binecho c ; } && echo d )
55( echo a && { $binecho b && $binecho c ; } && echo d ; $binecho e )
56
57( echo A && $binecho B )
58( $binecho c && echo d )
59
60( $binecho c && $binecho d && echo e )
61
62( trap "echo WORKS" EXIT ; $binecho x ; $binecho y ; $binecho z )
63
64( echo w ; { echo x ; $binecho y; }; $binecho z )