vp-build/common/chroot-style/proot.sh

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#!/bin/sh
#
# This chroot script uses proot (see http://proot.me)
#
readonly MASTERDIR="$1"
readonly DISTDIR="$2"
readonly HOSTDIR="$3"
readonly EXTRA_ARGS="$4"
shift 4
if ! command -v proot >/dev/null 2>&1; then
exit 1
fi
if [ -z "$MASTERDIR" -o -z "$DISTDIR" ]; then
echo "$0 MASTERDIR/DISTDIR not set"
exit 1
fi
# proot does not properly return the resultcode. Workaround this
RESULT=$(mktemp /tmp/proot_result.XXXXXXXXXX)
proot -r $MASTERDIR -w / -b "$RESULT:/.result" -b $DISTDIR:/void-packages \
${HOSTDIR:+-b $HOSTDIR:/host} -b /proc:/proc -b /dev:/dev \
-b /sys:/sys $EXTRA_ARGS /bin/sh -c '$@; echo $? > /.result' $0 $@
rv=$(cat "$RESULT")
rm "$RESULT"
exit $rv