$ git clone -n https://src.fedoraproject.org/rpms/rust-webpki.git /var/lib/mock/f38-build-side-42-init-devel-969879-28811/root/chroot_tmpdir/scmroot/rust-webpki
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-969879-28811/root/chroot_tmpdir/scmroot/rust-webpki'...
$ git fetch origin f75b90712b54409c8b2d2bc836d06aa1d5b5a464:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-webpki
 * [new ref]         f75b90712b54409c8b2d2bc836d06aa1d5b5a464 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f75b907 Update to version 0.22.0