$ git clone -n https://src.fedoraproject.org/rpms/rust-vhost-device-scmi.git /var/lib/mock/f40-build-1379846-23556/root/chroot_tmpdir/scmroot/rust-vhost-device-scmi
Cloning into '/var/lib/mock/f40-build-1379846-23556/root/chroot_tmpdir/scmroot/rust-vhost-device-scmi'...
$ git fetch origin 796f405e8c9ae22dc437a9b0379ca12569aa3937:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vhost-device-scmi
 * [new ref]         796f405e8c9ae22dc437a9b0379ca12569aa3937 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 796f405 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces