$ git clone -n http://git.inferitos.ru/rpms/xxhash /var/lib/mock/inferit-8_8-build-17858-23083/root/chroot_tmpdir/scmroot/xxhash
Cloning into '/var/lib/mock/inferit-8_8-build-17858-23083/root/chroot_tmpdir/scmroot/xxhash'...
$ git fetch origin changed/i8c/xxhash-0.8.1-3.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/xxhash
 * [new tag]         changed/i8c/xxhash-0.8.1-3.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14c47b4 edit changelog for import xxhash-0.8.1-3.el8