$ git clone -n https://src.fedoraproject.org/rpms/libgit2.git /var/lib/mock/f31-build-68964-30253/root/thebuilddir/tmp/scmroot/libgit2
Cloning into '/var/lib/mock/f31-build-68964-30253/root/thebuilddir/tmp/scmroot/libgit2'...
$ git reset --hard 092d7554dd3f5ab223d0a7f45e0a4dcb3c24a932
HEAD is now at 092d755 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild