forked from mirrored-repos/iso-profiles
32 lines
909 B
Bash
Executable file
32 lines
909 B
Bash
Executable file
#!/bin/bash
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# -*- mode: sh; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# vim: et sts=4 sw=4
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# SPDX-License-Identifier: LGPL-2.1+
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#
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# Copyright © 2019-2021 Collabora Ltd.
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# Copyright © 2019-2021 Valve Corporation.
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#
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# This file is part of steamos-customizations.
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#
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# steamos-customizations is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 2.1 of the License,
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# or (at your option) any later version.
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set -euo pipefail
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SWAPFILE=${1:-}
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SWAPSIZE=${2:-}
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fail() { echo >&2 "$@"; exit 1; }
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usage() { echo >&2 "Usage: $(basename $0) FILE SIZE"; exit 1; }
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[ "$SWAPFILE" ] || usage
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[ "$SWAPSIZE" ] || usage
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[ -e "$SWAPFILE" ] && fail "File '$SWAPFILE' already exists"
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dd if=/dev/zero of="$SWAPFILE" bs=1M count="$SWAPSIZE"
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chmod 600 "$SWAPFILE"
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mkswap "$SWAPFILE"
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