$ git clone -n https://src.fedoraproject.org/rpms/perl-Unicode-String.git /var/lib/mock/f31-build-45042-26250/root/thebuilddir/tmp/scmroot/perl-Unicode-String
Cloning into '/var/lib/mock/f31-build-45042-26250/root/thebuilddir/tmp/scmroot/perl-Unicode-String'...
$ git reset --hard 8bbf64ee5b19d94a13aec309645993e26307282e
HEAD is now at 8bbf64e Perl 5.30 rebuild