$ git clone -n https://src.fedoraproject.org/rpms/persepolis.git /var/lib/mock/f42-build-side-1-3499030-45964/root/chroot_tmpdir/scmroot/persepolis
Cloning into '/var/lib/mock/f42-build-side-1-3499030-45964/root/chroot_tmpdir/scmroot/persepolis'...
$ git fetch origin 46d69bce7c34aa40665253cc54dbbbbed859dbf7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/persepolis
 * [new ref]         46d69bce7c34aa40665253cc54dbbbbed859dbf7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46d69bc New upstream release: 5.0.2