From fc873d7a27e0077417b0963ae2553d0c5e7a0540 Mon Sep 17 00:00:00 2001
From: Christian Breunig <christian@breunig.cc>
Date: Tue, 1 Sep 2026 15:29:36 +0200
Subject: oci: T9269: compress container image with XZ

Can be compresed with up to 75% ratio.
---
 scripts/iso-to-oci | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'scripts')

diff --git a/scripts/iso-to-oci b/scripts/iso-to-oci
index f79c02a0..b2077d2c 100755
--- a/scripts/iso-to-oci
+++ b/scripts/iso-to-oci
@@ -57,7 +57,7 @@ unsquashfs -follow -dest "${UNSQUASHFS}/" "${ROOTFS}/live/filesystem.squashfs" >
 VERSION="$(jq --raw-output .version "${ROOTFS}/version.json")"
 # older ISOs predate ARM64 support and carry no architecture in version.json
 ARCH="$(jq --raw-output '.architecture // "amd64"' "${ROOTFS}/version.json")"
-OCI_IMAGE="vyos-${VERSION}-oci-${ARCH}.tar"
+OCI_IMAGE="vyos-${VERSION}-oci-${ARCH}.tar.xz"
 
 # fix locales for correct system configuration loading
 sed -i 's/^LANG=.*$/LANG=C.UTF-8/' "${UNSQUASHFS}/etc/default/locale"
@@ -84,7 +84,7 @@ ln -s /opt/vyatta/etc/config "${UNSQUASHFS}/config"
 
 # create docker image
 echo "I: generate OCI container image ${OCI_IMAGE}"
-tar -C "${UNSQUASHFS}" -c . -f "${OCI_IMAGE}"
+XZ_OPT="-T0" tar --directory "${UNSQUASHFS}" --create . --xz --file "${OCI_IMAGE}"
 
 echo "I: to import the previously generated OCI image to your local images run:"
 echo ""
-- 
cgit v1.2.3