$ git clone -n http://git.inferitos.ru/rpms/libblockdev /var/lib/mock/inferit-8_8-build-25840-44582/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/inferit-8_8-build-25840-44582/root/chroot_tmpdir/scmroot/libblockdev'...
$ git fetch origin changed/i8c/libblockdev-2.28-2.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libblockdev
 * [new tag]         changed/i8c/libblockdev-2.28-2.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5434faa edit changelog for import libblockdev-2.28-2.el8