$ git clone -n https://src.fedoraproject.org/rpms/radare2.git /var/lib/mock/f45-build-34262-683/root/chroot_tmpdir/scmroot/radare2
Cloning into '/var/lib/mock/f45-build-34262-683/root/chroot_tmpdir/scmroot/radare2'...
$ git fetch origin eee8c54dba915a6b39e01106d9d9748ef8880da2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/radare2
 * [new ref]         eee8c54dba915a6b39e01106d9d9748ef8880da2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eee8c54 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild