$ git clone -n https://src.fedoraproject.org/rpms/rust-mockall_double.git /var/lib/mock/f40-build-2653125-66898/root/chroot_tmpdir/scmroot/rust-mockall_double
Cloning into '/var/lib/mock/f40-build-2653125-66898/root/chroot_tmpdir/scmroot/rust-mockall_double'...
$ git fetch origin 6e0e89fd6c612da86c8c88a1913d4daaa68601d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mockall_double
 * [new ref]         6e0e89fd6c612da86c8c88a1913d4daaa68601d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e0e89f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild