$ git clone -n https://src.fedoraproject.org/rpms/openssl-gost-engine.git /var/lib/mock/f42-build-3280190-41340/root/chroot_tmpdir/scmroot/openssl-gost-engine
Cloning into '/var/lib/mock/f42-build-3280190-41340/root/chroot_tmpdir/scmroot/openssl-gost-engine'...
$ git fetch origin ab28465aa95880c5f20257209d03ad4f6530895d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openssl-gost-engine
 * [new ref]         ab28465aa95880c5f20257209d03ad4f6530895d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab28465 Set up gating