mirror of https://github.com/n-hys/bash.git
48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
# 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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#
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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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#
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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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#
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# test that optimizing command lists doesn't inappropriately short-cut commands
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# also includes optimizing last command in a list separated by `;'
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if [ -x /bin/echo ] ; then
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binecho=/bin/echo
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elif [ -x /usr/bin/echo ]; then
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binecho=/usr/bin/echo
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else
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enable -n echo
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binecho=echo
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fi
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export binecho
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: ${THIS_SH:=./bash} ${TMPDIR:=/var/tmp}
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${THIS_SH} -c 'trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$'
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${THIS_SH} -c 'trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$ ; $binecho done'
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( trap "echo WORKS && rm $TMPDIR/x$$" EXIT && touch $TMPDIR/x$$ )
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${THIS_SH} -c 'echo a && { $binecho b && $binecho c ; } && echo d'
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${THIS_SH} -c 'echo a && { $binecho b && $binecho c ; } && echo d ; $binecho e'
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${THIS_SH} -c 'echo A && $binecho B'
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${THIS_SH} -c '$binecho c && echo d'
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$THIS_SH -c '$binecho c && $binecho d && echo e'
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$THIS_SH -c 'trap "echo WORKS" EXIT ; $binecho x ; $binecho y ; $binecho z'
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${THIS_SH} -c 'echo w ; { echo x ; $binecho y; }; $binecho z'
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