mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-06-21 21:07:57 +02:00
Chet Ramey
41 lines
1.4 KiB
Plaintext
41 lines
1.4 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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set +o posix
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shopt -u xpg_echo
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# check $BASHOPTS inheritance
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# the first should be an error
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${THIS_SH} -O checkhash -O badopt -c 'echo $BASHOPTS' bash 2>&1 | sed 's|^.*/bash|bash|'
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# this should reflect the default set of options
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${THIS_SH} -c 'echo $BASHOPTS'
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# now let's turn one of them on (checkhash is not enabled by default)
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${THIS_SH} -O checkhash -c 'echo $BASHOPTS' bash
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# let's turn one of them off
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${THIS_SH} +O checkwinsize -c 'echo $BASHOPTS' bash
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# turn on a non-default option
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shopt -s checkhash
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export BASHOPTS
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# and make sure the child shell sees it enabled
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if ${THIS_SH} -c 'echo $BASHOPTS' | grep checkhash >/dev/null 2>&1; then
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:
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else
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echo 'BASHOPTS: checkhash not inherited correctly'
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fi
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shopt -u checkhash
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export -n BASHOPTS
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# but assigning to BASHOPTS is an error
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BASHOPTS=$BASHOPTS
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