xbps-src: include new chroot implementation (bubblewrap)

common/chroot-style/bwrap.sh

@@ -0,0 +1,23 @@
+#!/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} $EXTRA_ARGS "$@"