$ git clone -n https://src.fedoraproject.org/rpms/rust-gst-plugin-version-helper.git /var/lib/mock/f38-build-side-42-init-devel-860174-28427/root/chroot_tmpdir/scmroot/rust-gst-plugin-version-helper
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-860174-28427/root/chroot_tmpdir/scmroot/rust-gst-plugin-version-helper'...
$ git fetch origin bec133d4fd0e07f821c1a49ac2ac2f8baef9738d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gst-plugin-version-helper
 * [new ref]         bec133d4fd0e07f821c1a49ac2ac2f8baef9738d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bec133d Initial import (#2179159)