$ git clone -n https://src.fedoraproject.org/rpms/cairo.git /var/lib/mock/f31-build-63274-29339/root/chroot_tmpdir/scmroot/cairo
Cloning into '/var/lib/mock/f31-build-63274-29339/root/chroot_tmpdir/scmroot/cairo'...
$ git reset --hard 1d18ccfbba13d2f91db1e45ee8fff758060da3d4
HEAD is now at 1d18ccf - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild