mktmpfs.sh 1.38 KB
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#!/bin/bash
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# shellcheck disable=SC1090
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#
# Copyright (C) 2017 Centro de Computacao Cientifica e Software Livre
# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
#
# This file is part of create-iso
#
# create-iso is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.

mountTmpfs() {
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    local tmpfs="${1}"
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    if mountpoint --quiet "${tmpfs}"; then
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        return 1
    fi
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    mkdir --parents "${tmpfs}"
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    if [ ! -d "${tmpfs}" ]; then
        echo "overlay path: '${tmpfs}' has not been found."
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        exit 1
    fi
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    mount --types tmpfs tmpfs --options suid,dev,size=6291456k "${tmpfs}"
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}

umountTmpfs() {
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    local tmpfs="${1}"
    if mountpoint --quiet "${tmpfs}"; then
       umount "${tmpfs}"
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    fi
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    rm --recursive --force "${tmpfs:?}"
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}