$ git clone -n http://git.inferitos.ru/rpms/gmp /var/lib/mock/inferit-8_8-build-25523-44378/root/chroot_tmpdir/scmroot/gmp
Cloning into '/var/lib/mock/inferit-8_8-build-25523-44378/root/chroot_tmpdir/scmroot/gmp'...
$ git fetch origin changed/i8c/gmp-6.1.2-10.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gmp
 * [new tag]         changed/i8c/gmp-6.1.2-10.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e188299 edit changelog for import gmp-6.1.2-10.el8