$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-OpenSSL-DSA.git /var/lib/mock/f41-build-815955-149912/root/chroot_tmpdir/scmroot/perl-Crypt-OpenSSL-DSA
Cloning into '/var/lib/mock/f41-build-815955-149912/root/chroot_tmpdir/scmroot/perl-Crypt-OpenSSL-DSA'...
$ git fetch origin 6aee52be61da32663f9322239741db7f1027423d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-OpenSSL-DSA
 * [new ref]         6aee52be61da32663f9322239741db7f1027423d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aee52b Perl 5.40 rebuild