Updated .travis.yml

.travis.yml

@@ -1,19 +1,18 @@
 language: go
 
-install:
+cache:
+  directories:
+  - $HOME/opus
+
+before_script:
     - export PATH=$PATH:~/bin/
-    - wget http://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz
+    - wget http://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz -O /tmp/ffmpeg.tar.xz
-    - tar -xvf ffmpeg-release-64bit-static.tar.xz --strip 1 --no-anchored ffmpeg ffprobe
+    - tar -xvf /tmp/ffmpeg.tar.xz --strip 1 --no-anchored ffmpeg ffprobe
-    - chmod a+rx ffmpeg
+    - chmod a+rx ffmpeg ffprobe
-    - chmod a+rx ffprobe
+    - mv ff* ~/bin
-    - mv ffmpeg ~/bin/ffmpeg
-    - mv ffprobe ~/bin/ffprobe
-    - wget http://downloads.xiph.org/releases/opus/opus-1.0.3.tar.gz
-    - tar xzvf opus-1.0.3.tar.gz
-    - cd opus-1.0.3
-    - ./configure
-    - make
-    - make install
-    - cd ..
     - curl https://yt-dl.org/downloads/2015.07.28/youtube-dl -o ~/bin/youtube-dl
     - chmod a+rx ~/bin/youtube-dl
+    - bash install-opus.sh
+
+install:
+    - ls -R $HOME/opus

install-opus.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+# check to see if opus folder is empty
+if [ ! -d "$HOME/opus/lib" ]; then
+    wget http://downloads.xiph.org/releases/opus/opus-1.0.3.tar.gz
+    tar xzvf opus-1.0.3.tar.gz
+    cd opus-1.0.3 && ./configure --prefix=$HOME/opus && make && make install
+else
+  echo 'Using cached directory.';
+fi