$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-sync.git /var/lib/mock/f38-build-side-43-rust-devel-1417752-31459/root/chroot_tmpdir/scmroot/rust-tokio-sync
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417752-31459/root/chroot_tmpdir/scmroot/rust-tokio-sync'...
$ git fetch origin db5e419f5ead33cb0bebf59fc8ef657e89178e2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-sync
 * [new ref]         db5e419f5ead33cb0bebf59fc8ef657e89178e2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db5e419 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild