2020-06-20 19:11:28 +00:00
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#!/bin/sh -e
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2012-02-19 18:51:04 +00:00
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#
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# 2011 Nico Schottelius (nico-cdist at schottelius.org)
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# 2012 Giel van Schijndel (giel plus cdist at mortis dot eu)
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2020-06-20 19:11:28 +00:00
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# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
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2012-02-19 18:51:04 +00:00
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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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#
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2020-06-20 19:11:28 +00:00
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# Retrieve the status of a package - parses opkg output
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2012-02-19 18:51:04 +00:00
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#
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2020-06-21 15:35:28 +00:00
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readonly __type_path=${__object%%${__object_id}*}
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readonly LOCKFILE="${__type_path}/cdist_opkg.lock"
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2020-06-21 11:15:38 +00:00
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2020-06-20 19:11:28 +00:00
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_lock() (
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set -o noclobber
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until echo $$>"${LOCKFILE}"
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do
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while test -f "${LOCKFILE}"; do sleep 1; done
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done
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) 2>/dev/null
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_unlock() {
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if test -s "${LOCKFILE}" && test "$(cat "${LOCKFILE}")" = $$
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then
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rm "${LOCKFILE}"
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fi
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}
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if test -f "${__object}/parameter/name"
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then
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pkg_name=$(cat "${__object}/parameter/name")
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2012-02-19 18:51:04 +00:00
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else
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2020-06-20 19:11:28 +00:00
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pkg_name=$__object_id
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2012-02-19 18:51:04 +00:00
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fi
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2020-06-20 19:11:28 +00:00
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2020-06-21 11:15:38 +00:00
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# NOTE: We need to lock parallel execution of type explorers and code-remote
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# because opkg will try to acquire the OPKG lock (usually /var/lock/opkg.lock)
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# using lockf(2) for every operation.
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# It will not wait for the lock but terminate with an error.
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2020-06-20 19:11:28 +00:00
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# This leads to incorrect 'absent notpresent' statuses when parallel execution
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# is enabled.
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trap _unlock EXIT
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_lock
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# Except opkg failing, if package is not known / installed
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if opkg status "${pkg_name}" 2>/dev/null \
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| grep -q -e '^Status: [^ ][^ ]* [^ ][^ ]* installed$'
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then
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echo 'present'
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elif opkg info "${pkg_name}" 2>/dev/null | grep -q .
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then
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echo 'absent notpresent'
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else
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echo 'absent'
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2012-02-19 18:51:04 +00:00
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fi
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