$ git clone -n https://src.fedoraproject.org/rpms/modem-manager-gui.git /var/lib/mock/f45-build-19065-540/root/chroot_tmpdir/scmroot/modem-manager-gui
Cloning into '/var/lib/mock/f45-build-19065-540/root/chroot_tmpdir/scmroot/modem-manager-gui'...
$ git fetch origin d965032097bd18407cda04181af11481bdad8824:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/modem-manager-gui
 * [new ref]         d965032097bd18407cda04181af11481bdad8824 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d965032 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild