$ git clone -n http://git.inferitos.ru/rpms/SDL2 /var/lib/mock/inferit-8_8-build-27825-46536/root/chroot_tmpdir/scmroot/SDL2
Cloning into '/var/lib/mock/inferit-8_8-build-27825-46536/root/chroot_tmpdir/scmroot/SDL2'...
$ git fetch origin changed/i8c/SDL2-2.0.10-2.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/SDL2
 * [new tag]         changed/i8c/SDL2-2.0.10-2.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 557a67f edit changelog for import SDL2-2.0.10-2.el8