$ git clone -n https://src.fedoraproject.org/rpms/xmlunit.git /var/lib/mock/f38-build-side-42-init-devel-593569-26155/root/chroot_tmpdir/scmroot/xmlunit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-593569-26155/root/chroot_tmpdir/scmroot/xmlunit'...
$ git fetch origin 0219195d5d3d53fbbb40bb8a032f1bc35ff6dcb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmlunit
 * [new ref]         0219195d5d3d53fbbb40bb8a032f1bc35ff6dcb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0219195 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild