$ git clone -n https://src.fedoraproject.org/rpms/perl-Gnome2-Wnck.git /var/lib/mock/f31-build-45626-26372/root/thebuilddir/tmp/scmroot/perl-Gnome2-Wnck
Cloning into '/var/lib/mock/f31-build-45626-26372/root/thebuilddir/tmp/scmroot/perl-Gnome2-Wnck'...
$ git reset --hard 3e9086caf897e1d0081c6b84db1c0271eb707636
HEAD is now at 3e9086c Perl 5.30 rebuild