$ git clone -n https://src.fedoraproject.org/rpms/perl-Geo-Proj4.git /var/lib/mock/f31-build-44704-26250/root/thebuilddir/tmp/scmroot/perl-Geo-Proj4
Cloning into '/var/lib/mock/f31-build-44704-26250/root/thebuilddir/tmp/scmroot/perl-Geo-Proj4'...
$ git reset --hard 7772ac808c7471f3433d043dd166c601338afb11
HEAD is now at 7772ac8 Perl 5.30 rebuild