$ git clone -n https://src.fedoraproject.org/rpms/libretro-handy.git /var/lib/mock/f45-build-16878-493/root/chroot_tmpdir/scmroot/libretro-handy
Cloning into '/var/lib/mock/f45-build-16878-493/root/chroot_tmpdir/scmroot/libretro-handy'...
$ git fetch origin ad4cf0de788ba1434d14f56c15fc0fe10189d574:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libretro-handy
 * [new ref]         ad4cf0de788ba1434d14f56c15fc0fe10189d574 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad4cf0d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild