$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-Interface.git /var/lib/mock/f31-build-44469-26186/root/thebuilddir/tmp/scmroot/perl-IO-Interface
Cloning into '/var/lib/mock/f31-build-44469-26186/root/thebuilddir/tmp/scmroot/perl-IO-Interface'...
$ git reset --hard d69eb66895af077ac4e00b06fa807a2c43fbbb31
HEAD is now at d69eb66 Perl 5.30 rebuild