$ git clone -n https://src.fedoraproject.org/rpms/perl-true.git /var/lib/mock/f31-build-92842-32384/root/chroot_tmpdir/scmroot/perl-true
Cloning into '/var/lib/mock/f31-build-92842-32384/root/chroot_tmpdir/scmroot/perl-true'...
$ git reset --hard b5d4a59b9c61804471e009c5b39f45c77cee7241
HEAD is now at b5d4a59 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild