$ git clone -n https://src.fedoraproject.org/rpms/runc.git /var/lib/mock/f45-build-35404-695/root/chroot_tmpdir/scmroot/runc
Cloning into '/var/lib/mock/f45-build-35404-695/root/chroot_tmpdir/scmroot/runc'...
$ git fetch origin e3d4ef3e826a6675bc3a6d44aad2ac7c954ca29d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/runc
 * [new ref]         e3d4ef3e826a6675bc3a6d44aad2ac7c954ca29d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3d4ef3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild