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#!/bin/sh
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#
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# 2016 Daniel Heule (hda at sfs.biz)
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# Copyright 2017, Philippe Gregoire <pg@pgregoire.xyz>
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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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# Returns the process name of pid 1 ( normaly the init system )
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# for example at linux this value is "init" or "systemd" in most cases
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#
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uname_s="$(uname -s)"
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case "$uname_s" in
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Linux)
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(pgrep -P0 -l | awk '/^1[ \t]/ {print $2;}') || true
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;;
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FreeBSD)
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ps -o comm= -p 1 || true
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;;
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*)
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# return a empty string as unknown value
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echo ""
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;;
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esac
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