$ git clone -n https://src.fedoraproject.org/rpms/osmctools.git /var/lib/mock/f45-build-21221-580/root/chroot_tmpdir/scmroot/osmctools
Cloning into '/var/lib/mock/f45-build-21221-580/root/chroot_tmpdir/scmroot/osmctools'...
$ git fetch origin ec1f8319bb804fef0ef07844131e0b5fa478f7cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osmctools
 * [new ref]         ec1f8319bb804fef0ef07844131e0b5fa478f7cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec1f831 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild