$ git clone -n https://src.fedoraproject.org/rpms/rust-astral-tokio-tar.git /var/lib/mock/f42-build-3252970-41225/root/chroot_tmpdir/scmroot/rust-astral-tokio-tar
Cloning into '/var/lib/mock/f42-build-3252970-41225/root/chroot_tmpdir/scmroot/rust-astral-tokio-tar'...
$ git fetch origin 2ecd0dc26b96d0279755f8f9364b5262b56737a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-astral-tokio-tar
 * [new ref]         2ecd0dc26b96d0279755f8f9364b5262b56737a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ecd0dc Update to 0.5.1 (close RHBZ#2344574)