$ git clone -n https://src.fedoraproject.org/rpms/rust-vmw_backdoor.git /var/lib/mock/f40-build-2718396-72916/root/chroot_tmpdir/scmroot/rust-vmw_backdoor
Cloning into '/var/lib/mock/f40-build-2718396-72916/root/chroot_tmpdir/scmroot/rust-vmw_backdoor'...
$ git fetch origin 24b074cdf90d4cfe1508ddabce754e1694289b94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vmw_backdoor
 * [new ref]         24b074cdf90d4cfe1508ddabce754e1694289b94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24b074c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild