$ git clone -n https://src.fedoraproject.org/rpms/gnome-libs.git /var/lib/mock/f31-build-65107-29635/root/chroot_tmpdir/scmroot/gnome-libs
Cloning into '/var/lib/mock/f31-build-65107-29635/root/chroot_tmpdir/scmroot/gnome-libs'...
$ git reset --hard a6a9dde7c9ce7cdc14e2d48b2aff72777b14030b
HEAD is now at a6a9dde - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild