$ git clone -n https://src.fedoraproject.org/rpms/extractpdfmark.git /var/lib/mock/f45-build-8552-391/root/chroot_tmpdir/scmroot/extractpdfmark
Cloning into '/var/lib/mock/f45-build-8552-391/root/chroot_tmpdir/scmroot/extractpdfmark'...
$ git fetch origin 410729e2ed5258edb3f461e7945959986239e3c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/extractpdfmark
 * [new ref]         410729e2ed5258edb3f461e7945959986239e3c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 410729e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild