$ git clone -n https://src.fedoraproject.org/rpms/gphotosdl.git /var/lib/mock/f45-build-12932-444/root/chroot_tmpdir/scmroot/gphotosdl
Cloning into '/var/lib/mock/f45-build-12932-444/root/chroot_tmpdir/scmroot/gphotosdl'...
$ git fetch origin 9b0598e64b86e046fbcb5f814d3f854d02a3249f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gphotosdl
 * [new ref]         9b0598e64b86e046fbcb5f814d3f854d02a3249f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b0598e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild