Hi,

When I start from a clean git tree, and I want to build arduino, the build process fails to download the following files:
Bridge-1.1.0.zip Keyboard-1.0.0.zip
Robot_Motor-1.0.2.zip
Esplora-1.0.4.zip Mouse-1.0.0.zip
SpacebrewYun-1.0.0.zip
Robot_Control-1.0.2.zip
Temboo-1.1.4.zip
Firmata-2.5.0.zip
RobotIRremote-1.0.2.zip

The error message is:

untar-unzip-download:
[get] Getting: https://github.com/arduino-libraries/Firmata/archive/2.5.0.zip
[get] To: /usr/local/src/arduino-cc/arduino-1.6.7/build/Firmata-2.5.0.zip
[get] Error getting https://github.com/arduino-libraries/Firmata/archive/2.5.0.zip to /usr/local/src/arduino-cc/arduino-1.6.7/build/Firmata-2.5.0.zip

untar-unzip-checksum:
[echo] Testing checksum of "Firmata-2.5.0.zip"
[checksum] Could not find file /usr/local/src/arduino-cc/arduino-1.6.7/build/Firmata-2.5.0.zip to generate checksum for.

BUILD FAILED

If I download the file "by hand" and rebuild, it goes a bit further and fails on the next missing one.

I've downloaded all the indicated file myself and everything went fine.

Regards

Jean-Luc