$ git clone -n https://src.fedoraproject.org/rpms/rust-mockall_derive.git /var/lib/mock/f40-build-2657313-66916/root/chroot_tmpdir/scmroot/rust-mockall_derive
Cloning into '/var/lib/mock/f40-build-2657313-66916/root/chroot_tmpdir/scmroot/rust-mockall_derive'...
$ git fetch origin 485a56b71325b753fed7d876e94fff7306f7f27f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mockall_derive
 * [new ref]         485a56b71325b753fed7d876e94fff7306f7f27f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 485a56b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild