$ git clone -n https://src.fedoraproject.org/rpms/rust-memoffset0.5.git /var/lib/mock/f40-build-2653089-66898/root/chroot_tmpdir/scmroot/rust-memoffset0.5
Cloning into '/var/lib/mock/f40-build-2653089-66898/root/chroot_tmpdir/scmroot/rust-memoffset0.5'...
$ git fetch origin ab669f569dcc08a1dcdba46db9d129c146ff3c5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-memoffset0.5
 * [new ref]         ab669f569dcc08a1dcdba46db9d129c146ff3c5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab669f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild