$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-OpenID-Server.git /var/lib/mock/f45-build-25345-610/root/chroot_tmpdir/scmroot/perl-Net-OpenID-Server
Cloning into '/var/lib/mock/f45-build-25345-610/root/chroot_tmpdir/scmroot/perl-Net-OpenID-Server'...
$ git fetch origin 357a17502176b99af86bbad693363d7304550e68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-OpenID-Server
 * [new ref]         357a17502176b99af86bbad693363d7304550e68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 357a175 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild