$ git clone -n https://src.fedoraproject.org/rpms/kf5-kwidgetsaddons.git /var/lib/mock/f45-build-14929-465/root/chroot_tmpdir/scmroot/kf5-kwidgetsaddons
Cloning into '/var/lib/mock/f45-build-14929-465/root/chroot_tmpdir/scmroot/kf5-kwidgetsaddons'...
$ git fetch origin d0fe8676d5b3735d767c745eb820e303219df030:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kwidgetsaddons
 * [new ref]         d0fe8676d5b3735d767c745eb820e303219df030 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0fe867 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild