$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-BigInt-FastCalc.git /var/lib/mock/f33-build-283886-52451/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc
Cloning into '/var/lib/mock/f33-build-283886-52451/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc'...
$ git reset --hard c25cc4373dce435f7cb99e2f30f2c3e7b7adeffd
HEAD is now at c25cc43 Increase release to favour standalone package