travis: set up electron builds

Author: ppannuto

.particle-cli-login.expect

@@ -0,0 +1,24 @@
+#!/usr/bin/expect
+log_user 0
+set timeout 10
+
+set user [lindex $argv 0]
+
+set password [lindex $argv 1]
+
+set particle [lindex $argv 2]
+
+#spawn /home/travis/.nvm/v0.10.36/bin/particle cloud login
+spawn $particle cloud login
+
+log_user 0
+
+expect "? Please enter your email address: "
+send "$user\r"
+
+log_user 0
+
+expect "? Please enter your password: "
+send "$password\r"
+
+interact

.travis.yml

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+sudo: false
+language: node_js
+
+addons:
+  apt:
+    packages:
+      - expect
+
+cache:
+  directories:
+    - "node_modules"
+    - "$HOME/bin"
+
+before_script:
+  - true #npm install -g particle-cli
+  - bash <( curl -sL https://particle.io/install-cli )
+  - export PATH="$PATH:$HOME/bin"
+
+script:
+  - ./.particle-cli-login.expect "$particle_email" "$particle_password" "$(which particle)"
+  - (pushd powerwatch/electron_rev_3/software && particle compile electron firmware/)