$ git clone -n https://src.fedoraproject.org/rpms/jacop.git /var/lib/mock/f40-build-2275008-55046/root/chroot_tmpdir/scmroot/jacop
Cloning into '/var/lib/mock/f40-build-2275008-55046/root/chroot_tmpdir/scmroot/jacop'...
$ git fetch origin 50a5ec5e9ac7be905ebf6a554bd7d6a111908b99:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jacop
 * [new ref]         50a5ec5e9ac7be905ebf6a554bd7d6a111908b99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50a5ec5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild