$ git clone -n https://src.fedoraproject.org/rpms/perl-Unicode-LineBreak.git /var/lib/mock/f31-build-45458-26354/root/chroot_tmpdir/scmroot/perl-Unicode-LineBreak
Cloning into '/var/lib/mock/f31-build-45458-26354/root/chroot_tmpdir/scmroot/perl-Unicode-LineBreak'...
$ git reset --hard b39ff84ffd379e8c33fcec8f8538c719dfd2958b
HEAD is now at b39ff84 Perl 5.30 rebuild