$ git clone -n https://src.fedoraproject.org/rpms/copr-dist-git.git /var/lib/mock/f39-build-1945459-43199/root/chroot_tmpdir/scmroot/copr-dist-git
Cloning into '/var/lib/mock/f39-build-1945459-43199/root/chroot_tmpdir/scmroot/copr-dist-git'...
$ git fetch origin abaec24054d7776544adba20963a19e83b249f68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/copr-dist-git
 * [new ref]         abaec24054d7776544adba20963a19e83b249f68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abaec24 Update copr-dist-git to 0.68-1