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#!/bin/sh
#
# Copyright (C) 2025-2026 Maria Lisina
# SPDX-License-Identifier: Apache-2.0
#
# OpenRC zram-init configuration
set -e
if [ -n "${1}" ]
then
__num_devices=${1}
if ! test ${__num_devices} -gt 0 > /dev/null 2>&1
then
echo "Invalid devices number"
exit 1
fi
shift
fi
if [ -n "${1}" ]
then
__size=${1}
if ! test ${__size} -gt 0 > /dev/null 2>&1
then
echo "Invalid block size"
exit 1
fi
shift
fi
cat << EOF > /etc/modprobe.d/zram.conf
options zram num_devices=${__num_devices}
EOF
cat << EOF > /etc/conf.d/zram-init
load_on_start=yes
unload_on_stop=yes
num_devices=${__num_devices}
EOF
for __device in $(seq 0 $((__num_devices - 1)))
do
printf "\ntype%u=%s\nsize%u=%u\nmaxs%u=%u\nalgo%u=%s\nlabl%u=%s\n" \
${__device} "swap" \
${__device} ${__size} \
${__device} 1 \
${__device} "zstd" \
${__device} "zram" >> /etc/conf.d/zram-init
done
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