$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Size.git /var/lib/mock/f31-build-44236-25956/root/thebuilddir/tmp/scmroot/perl-Devel-Size
Cloning into '/var/lib/mock/f31-build-44236-25956/root/thebuilddir/tmp/scmroot/perl-Devel-Size'...
$ git reset --hard 4f83de6abdda7036090c474c536ac95c6405933b
HEAD is now at 4f83de6 Perl 5.30 rebuild