$ git clone -n https://src.fedoraproject.org/rpms/libzpc.git /var/lib/mock/f38-build-side-42-init-devel-1288842-30674/root/chroot_tmpdir/scmroot/libzpc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1288842-30674/root/chroot_tmpdir/scmroot/libzpc'...
$ git fetch origin 1b6f9e28c453e767064a81e5325343da6d57dacf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libzpc
 * [new ref]         1b6f9e28c453e767064a81e5325343da6d57dacf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b6f9e2 - Support for ECC keys and ECDSA signatures.