$ git clone -n https://src.fedoraproject.org/rpms/perl-Tk-DoubleClick.git /var/lib/mock/f45-build-27119-621/root/chroot_tmpdir/scmroot/perl-Tk-DoubleClick
Cloning into '/var/lib/mock/f45-build-27119-621/root/chroot_tmpdir/scmroot/perl-Tk-DoubleClick'...
$ git fetch origin 0bf36b83063a3d9d489d3c5165325299c8f7f9d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tk-DoubleClick
 * [new ref]         0bf36b83063a3d9d489d3c5165325299c8f7f9d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bf36b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild