$ git clone -n https://src.fedoraproject.org/rpms/easy-rsa.git /var/lib/mock/f42-build-3273310-41310/root/chroot_tmpdir/scmroot/easy-rsa
Cloning into '/var/lib/mock/f42-build-3273310-41310/root/chroot_tmpdir/scmroot/easy-rsa'...
$ git fetch origin 87fd8509fd22ddd6aa3dc9354d80e98da6d85b5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/easy-rsa
 * [new ref]         87fd8509fd22ddd6aa3dc9354d80e98da6d85b5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87fd850 3.2.2