$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-BigInt-GMP.git /var/lib/mock/f31-build-46071-26442/root/chroot_tmpdir/scmroot/perl-Math-BigInt-GMP
Cloning into '/var/lib/mock/f31-build-46071-26442/root/chroot_tmpdir/scmroot/perl-Math-BigInt-GMP'...
$ git reset --hard 591c303fb0450b19091c87be1b33bad50d67ebdd
HEAD is now at 591c303 Perl 5.30 rebuild