$ git clone -n https://src.fedoraproject.org/rpms/rust-pkcs8_0.7.git /var/lib/mock/f38-build-side-43-rust-devel-1418571-31459/root/chroot_tmpdir/scmroot/rust-pkcs8_0.7
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418571-31459/root/chroot_tmpdir/scmroot/rust-pkcs8_0.7'...
$ git fetch origin f893652ca4feb05a882a7a963d51eafd755dd847:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pkcs8_0.7
 * [new ref]         f893652ca4feb05a882a7a963d51eafd755dd847 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f893652 Initial import (pkcs8 0.7 compat package)