$ git clone -n https://src.fedoraproject.org/rpms/haruna.git /var/lib/mock/f40-build-762068-121824/root/chroot_tmpdir/scmroot/haruna
Cloning into '/var/lib/mock/f40-build-762068-121824/root/chroot_tmpdir/scmroot/haruna'...
$ git fetch origin 77d18f843980ac7db03d3f0aaa5ee83a7694a0e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/haruna
 * [new ref]         77d18f843980ac7db03d3f0aaa5ee83a7694a0e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77d18f8 version 0.12.3