$ git clone -n https://src.fedoraproject.org/rpms/sakura.git /var/lib/mock/f40-build-2041057-48405/root/chroot_tmpdir/scmroot/sakura
Cloning into '/var/lib/mock/f40-build-2041057-48405/root/chroot_tmpdir/scmroot/sakura'...
$ git fetch origin 629fd759f93080152aa9cfb5203db64580aebfa4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sakura
 * [new ref]         629fd759f93080152aa9cfb5203db64580aebfa4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 629fd75 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild