$ git clone -n https://src.fedoraproject.org/rpms/rust-picky-asn1-der.git /var/lib/mock/f38-build-side-42-init-devel-1394694-31050/root/chroot_tmpdir/scmroot/rust-picky-asn1-der
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1394694-31050/root/chroot_tmpdir/scmroot/rust-picky-asn1-der'...
$ git fetch origin e3c08ffa58173492a7839690adfb004cc94094ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-picky-asn1-der
 * [new ref]         e3c08ffa58173492a7839690adfb004cc94094ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3c08ff Regenerate with rust2rpm v24 and add missing license files