$ git clone -n https://src.fedoraproject.org/rpms/perl-String-Base.git /var/lib/mock/f31-build-64193-29516/root/chroot_tmpdir/scmroot/perl-String-Base
Cloning into '/var/lib/mock/f31-build-64193-29516/root/chroot_tmpdir/scmroot/perl-String-Base'...
$ git reset --hard 8bc612f64d60f67b6e9a97681ee88a4ffdbc71c7
HEAD is now at 8bc612f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild