$ git clone -n https://src.fedoraproject.org/rpms/rust-vmw_backdoor.git /var/lib/mock/f39-build-1455856-32920/root/chroot_tmpdir/scmroot/rust-vmw_backdoor
Cloning into '/var/lib/mock/f39-build-1455856-32920/root/chroot_tmpdir/scmroot/rust-vmw_backdoor'...
$ git fetch origin 1419f8aea68d9e60ab5a23b16ddb96dcab4552b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vmw_backdoor
 * [new ref]         1419f8aea68d9e60ab5a23b16ddb96dcab4552b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1419f8a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild