$ git clone -n http://git.inferitos.ru/rpms/sphere-bookmarks /var/lib/mock/inferit-8_8-bootstrap-build-29190-49600/root/chroot_tmpdir/scmroot/sphere-bookmarks
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-29190-49600/root/chroot_tmpdir/scmroot/sphere-bookmarks'...
$ git fetch origin changed/i8/sphere-bookmarks-8.1-0.1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/sphere-bookmarks
 * [new tag]         changed/i8/sphere-bookmarks-8.1-0.1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c86fd13 Initial build for MSVSphere 8.9