$ git clone -n https://src.fedoraproject.org/rpms/rust-dolby_vision.git /var/lib/mock/f41-build-810679-146885/root/chroot_tmpdir/scmroot/rust-dolby_vision
Cloning into '/var/lib/mock/f41-build-810679-146885/root/chroot_tmpdir/scmroot/rust-dolby_vision'...
$ git fetch origin 72450c1df9816c19cad15536908e42938811682f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dolby_vision
 * [new ref]         72450c1df9816c19cad15536908e42938811682f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72450c1 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces