void-packages/common/chroot-style/bwrap.sh

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#!/bin/sh
#
# This chroot script uses bubblewrap (see https://github.com/projectatomic/bubblewrap)
#
set -e
readonly MASTERDIR="$1"
readonly DISTDIR="$2"
readonly HOSTDIR="$3"
readonly EXTRA_ARGS="$4"
shift 4
if ! command -v bwrap >/dev/null 2>&1; then
exit 1
fi
if [ -z "$MASTERDIR" -o -z "$DISTDIR" ]; then
echo "$0 MASTERDIR/DISTDIR not set"
exit 1
fi
bwrap --dev-bind "$MASTERDIR" / --dev-bind "$DISTDIR" /void-packages \
--dev /dev --tmpfs /tmp --proc /proc \
${HOSTDIR:+--dev-bind "$HOSTDIR" /host} $EXTRA_ARGS "$@"