$ git clone -n https://src.fedoraproject.org/rpms/yle-dl.git /var/lib/mock/f40-build-1937351-25150/root/chroot_tmpdir/scmroot/yle-dl
Cloning into '/var/lib/mock/f40-build-1937351-25150/root/chroot_tmpdir/scmroot/yle-dl'...
$ git fetch origin b213107e538714b3fa97096f60476f02ddce1220:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yle-dl
 * [new ref]         b213107e538714b3fa97096f60476f02ddce1220 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b213107 Add packit