$ git clone -n https://src.fedoraproject.org/rpms/cairomm.git /var/lib/mock/f31-build-56501-28225/root/chroot_tmpdir/scmroot/cairomm
Cloning into '/var/lib/mock/f31-build-56501-28225/root/chroot_tmpdir/scmroot/cairomm'...
$ git reset --hard 16c5a6eeabcb28adc848e82bd0797210fa4dd9f7
HEAD is now at 16c5a6e - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild