$ git clone -n http://git.inferitos.ru/rpms/libxmlb /var/lib/mock/inferit-8_8-build-16562-23083/root/chroot_tmpdir/scmroot/libxmlb
Cloning into '/var/lib/mock/inferit-8_8-build-16562-23083/root/chroot_tmpdir/scmroot/libxmlb'...
$ git fetch origin changed/i8c/libxmlb-0.1.15-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libxmlb
 * [new tag]         changed/i8c/libxmlb-0.1.15-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec4aed7 edit changelog for import libxmlb-0.1.15-1.el8