$ git clone -n https://gitee.com/src-opencloudos-rpms/jpegxl.git /var/lib/mock/dist-oc9-build-64279-16463/root/chroot_tmpdir/scmroot/jpegxl
Cloning into '/var/lib/mock/dist-oc9-build-64279-16463/root/chroot_tmpdir/scmroot/jpegxl'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jpegxl
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dfe99b import jpegxl-0.7.0-3.tl4