$ git clone -n https://src.fedoraproject.org/rpms/rust-pkcs5_0.3.git /var/lib/mock/f38-build-side-42-init-devel-1083182-29889/root/chroot_tmpdir/scmroot/rust-pkcs5_0.3
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1083182-29889/root/chroot_tmpdir/scmroot/rust-pkcs5_0.3'...
$ git fetch origin 2b45acd2a74d264ba6ef9f0e66f33d9e3042c68e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pkcs5_0.3
 * [new ref]         2b45acd2a74d264ba6ef9f0e66f33d9e3042c68e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b45acd Initial import (pkcs5 0.3 compat package)