$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-OpenSSL-X509.git /var/lib/mock/f41-build-843868-162239/root/chroot_tmpdir/scmroot/perl-Crypt-OpenSSL-X509
Cloning into '/var/lib/mock/f41-build-843868-162239/root/chroot_tmpdir/scmroot/perl-Crypt-OpenSSL-X509'...
$ git fetch origin 8e890e4aff28c0191236ecce357fc37e51b99e2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-OpenSSL-X509
 * [new ref]         8e890e4aff28c0191236ecce357fc37e51b99e2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e890e4 Update to 2.0.1 (RHBZ#2303844)