Travis: use cache to skip some operations on the CI

Author: Clement Champetier

.travis.yml

@@ -15,6 +15,7 @@ compiler:
 
 env:
   global:
+    - EBU_PATH=${TRAVIS_BUILD_DIR}/ebu_test_essences
     - GTEST_INSTALL=${TRAVIS_BUILD_DIR}/install-gtest
     - PLOUD_INSTALL=${TRAVIS_BUILD_DIR}/install-ploud
     - FFMPEG_VERSION=2.7.6
@@ -38,6 +39,12 @@ addons:
 cache:
   # Caching Ubuntu packages
   apt: true
+  # Caching other directories
+  directories:
+  - ${EBU_PATH}
+  - ${GTEST_INSTALL}
+  - ${FFMPEG_INSTALL}
+  - ${AVTRANSCODER_INSTALL}
 
 install:
   # Install dependencies

tools/travis/install_dependencies.sh

@@ -6,17 +6,21 @@ set -e
 set -x
 
 # Install GTest framework
-git clone https://github.com/google/googletest.git
-cd googletest
-cmake . -DCMAKE_INSTALL_PREFIX=${GTEST_INSTALL}
-make -k
-make install
+if [[ ! -d "${GTEST_INSTALL}/*" ]]; then
+    git clone https://github.com/google/googletest.git
+    cd googletest
+    cmake . -DCMAKE_INSTALL_PREFIX=${GTEST_INSTALL}
+    make -k
+    make install
+fi
 
 # Install avtranscoder
-ARCHIVE_FILE=avtranscoder-linux-gcc-ffmpeg-${FFMPEG_VERSION}.tgz
-wget https://github.com/avTranscoder/avTranscoder/releases/download/v${AVTRANSCODER_VERSION}/${ARCHIVE_FILE}
-tar xzf ${ARCHIVE_FILE}
-rm ${ARCHIVE_FILE}
+if [[ ! -d "${AVTRANSCODER_INSTALL}/*" ]]; then
+    export ARCHIVE_FILE=avtranscoder-linux-gcc-ffmpeg-${FFMPEG_VERSION}.tgz
+    wget https://github.com/avTranscoder/avTranscoder/releases/download/v${AVTRANSCODER_VERSION}/${ARCHIVE_FILE}
+    tar xzf ${ARCHIVE_FILE} -C ${TRAVIS_BUILD_DIR}
+    rm ${ARCHIVE_FILE}
+fi
 
 # Install additional dependencies in case of osx environment
 if [ ${TRAVIS_OS_NAME} = "osx" ]; then

tools/travis/install_ressources.sh

@@ -6,7 +6,9 @@ set -e
 set -x
 
 # Install test ressources
-EBU_SET=ebu-loudness-test-setv04.zip
-wget https://tech.ebu.ch/files/live/sites/tech/files/shared/testmaterial/$EBU_SET --no-check-certificate
-unzip $EBU_SET -d ebu_test_essences
-rm $EBU_SET
+if [[ ! -d "${EBU_PATH}/*" ]]; then
+    export EBU_SET=ebu-loudness-test-setv04.zip
+    wget https://tech.ebu.ch/files/live/sites/tech/files/shared/testmaterial/$EBU_SET --no-check-certificate
+    unzip $EBU_SET -d $EBU_PATH
+    rm $EBU_SET
+fi