42 lines
1.2 KiB
Bash
42 lines
1.2 KiB
Bash
#!/bin/sh -e
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# -*- mode: sh; indent-tabs-mode: t -*-
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#
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# 2021 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
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#
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# This file is part of cdist.
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#
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# cdist 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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# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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# Prints "present" if the extension is currently installed.
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# "absent" otherwise.
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quote() { printf '%s\n' "$*" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/'/"; }
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postgres_user=$("${__type_explorer:?}/postgres_user")
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IFS=: read -r dbname extname <<EOF
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${__object_id:?}
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EOF
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psql_exec() {
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su - "${postgres_user}" -c "psql $(quote "$1") -twAc $(quote "$2")"
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}
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if psql_exec "${dbname}" 'SELECT extname FROM pg_extension' | grep -qFx "${extname}"
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then
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echo present
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else
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echo absent
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fi
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