$ git clone -n https://src.fedoraproject.org/rpms/rust-primal.git /var/lib/mock/f38-build-side-43-rust-devel-1411171-31429/root/chroot_tmpdir/scmroot/rust-primal
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411171-31429/root/chroot_tmpdir/scmroot/rust-primal'...
$ git fetch origin 3807454064dbd9db470b7f7bae6bb9bae09ced9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-primal
 * [new ref]         3807454064dbd9db470b7f7bae6bb9bae09ced9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3807454 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild