$ git clone -n https://src.fedoraproject.org/rpms/rust-pkcs8.git /var/lib/mock/f38-build-side-42-init-devel-1394715-31050/root/chroot_tmpdir/scmroot/rust-pkcs8
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1394715-31050/root/chroot_tmpdir/scmroot/rust-pkcs8'...
$ git fetch origin a0e25430dd712e6a48a410acf41c24a86f75ed66:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pkcs8
 * [new ref]         a0e25430dd712e6a48a410acf41c24a86f75ed66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0e2543 Update to version 0.10.2; Fixes RHBZ#2082973