$ git clone -n https://src.fedoraproject.org/rpms/opensubdiv.git /var/lib/mock/f45-build-21125-579/root/chroot_tmpdir/scmroot/opensubdiv
Cloning into '/var/lib/mock/f45-build-21125-579/root/chroot_tmpdir/scmroot/opensubdiv'...
$ git fetch origin 9a6263445bbd2b0260f2e88f80f5f9cbd9dc9f42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opensubdiv
 * [new ref]         9a6263445bbd2b0260f2e88f80f5f9cbd9dc9f42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a62634 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild