$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-FFT.git /var/lib/mock/f31-build-45056-26250/root/thebuilddir/tmp/scmroot/perl-Math-FFT
Cloning into '/var/lib/mock/f31-build-45056-26250/root/thebuilddir/tmp/scmroot/perl-Math-FFT'...
$ git reset --hard a57c41a0c6577deb90c01b8f9b638b5130fb9ecd
HEAD is now at a57c41a Perl 5.30 rebuild