$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2-Unique.git /var/lib/mock/f31-build-45603-26368/root/thebuilddir/tmp/scmroot/perl-Gtk2-Unique
Cloning into '/var/lib/mock/f31-build-45603-26368/root/thebuilddir/tmp/scmroot/perl-Gtk2-Unique'...
$ git reset --hard 540a6f4988a473c59fda1f05df3133ce25957fd8
HEAD is now at 540a6f4 Perl 5.30 rebuild