Add caching support

Author: cleveHEX

.travis.yml

@@ -1,5 +1,17 @@
 language: c
 sudo: false
+cache:
+  directories:
+    - ~/arduino_ide
+    # Caches Arduino IDE + ESP32 platform
+    - ~/.arduino15/packages/
+    # Caches Arduino platforms
+git:
+  depth: false
+  quiet: true
+env:
+  global:
+     - ARDUINO_IDE_VERSION="1.8.5"
 before_install:
   - source <(curl -SLs https://raw.githubusercontent.com/${TRAVIS_REPO_SLUG}/${TRAVIS_BRANCH}/install.sh)
 script:
@@ -11,4 +23,4 @@ script:
 notifications:
   email:
     on_success: change
-    on_failure: change
+    on_failure: change

README.md

@@ -20,6 +20,16 @@ source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/
 ```
 language: c
 sudo: false
+cache:
+  directories:
+    - ~/arduino_ide
+    - ~/.arduino15/packages/
+git:
+  depth: false
+  quiet: true
+env:
+  global:
+     - ARDUINO_IDE_VERSION="1.8.5"
 before_install:
   - source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/install.sh)
 install:

example_travis.yml

@@ -1,13 +1,15 @@
 language: c
 sudo: false
-
-# Blacklist
-branches:
-  except:
-    - gh-pages
-
+cache:
+  directories:
+    - ~/arduino_ide
+    - ~/.arduino15/packages/
+git:
+  depth: false
+  quiet: true
 env:
   global:
+     - ARDUINO_IDE_VERSION="1.8.5"
      - PRETTYNAME="Adafruit FT6206 Arduino Library"
 # Optional, will default to "$TRAVIS_BUILD_DIR/Doxyfile"
 #    - DOXYFILE: $TRAVIS_BUILD_DIR/Doxyfile

install.sh

@@ -28,10 +28,25 @@ export IO_PLATFORMS='declare -A io_platforms=( [zero]="arduino:samd:arduino_zero
 sleep 3
 export DISPLAY=:1.0
 
-# download and install arduino 1.8.5
-wget --quiet https://downloads.arduino.cc/arduino-1.8.5-linux64.tar.xz
-tar xf arduino-1.8.5-linux64.tar.xz
-mv arduino-1.8.5 $HOME/arduino_ide
+# if .travis.yml does not set version
+if [ -z $ARDUINO_IDE_VERSION ]; then export ARDUINO_IDE_VERSION="1.8.5"; fi
+
+# if newer version is requested
+if [ ! -f $HOME/arduino_ide/$ARDUINO_IDE_VERSION ] && [ -f $HOME/arduino_ide/arduino ]; then
+shopt -s extglob
+rm -r -f !(esp32)
+cd $OLDPWD
+echo "DIFFERENT VERSION OF ARDUINO IDE REQUESTED!"
+fi
+
+# if not already cached, download and install arduino 1.8.5
+if [ ! -f $HOME/arduino_ide/arduino ]; then
+echo "DOWNLOADING ARDUINO IDE..."
+wget --quiet https://downloads.arduino.cc/arduino-$ARDUINO_IDE_VERSION-linux64.tar.xz
+echo "UNPACKING ARDUINO IDE..."
+tar xf arduino-$ARDUINO_IDE_VERSION-linux64.tar.xz -C $HOME/arduino_ide/ --strip-components=1
+touch $HOME/arduino_ide/$ARDUINO_IDE_VERSION
+fi
 
 # move this library to the arduino libraries folder
 ln -s $PWD $HOME/arduino_ide/libraries/Adafruit_Test_Library
@@ -47,48 +62,59 @@ echo "########################################################################";
 # install the due, esp8266, and adafruit board packages
 echo -n "ADD PACKAGE INDEX: "
 DEPENDENCY_OUTPUT=$(arduino --pref "boardsmanager.additional.urls=https://adafruit.github.io/arduino-board-index/package_adafruit_index.json,http://arduino.esp8266.com/stable/package_esp8266com_index.json" --save-prefs 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\033[0;31m\xe2\x9c\x96"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 echo -n "ESP32: "
+
+if [ ! -d $HOME/Arduino/hardware/espressif ]; then
 DEPENDENCY_OUTPUT=$(mkdir -p $HOME/Arduino/hardware/espressif &&
     cd $HOME/Arduino/hardware/espressif &&
     git clone https://github.com/espressif/arduino-esp32.git esp32 &&
     cd esp32/tools/ &&
     python get.py &&
     cd $TRAVIS_BUILD_DIR
 )
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+else
+DEPENDENCY_OUTPUT=$(cd $HOME/Arduino/hardware/espressif &&
+    git pull origin master &&
+    cd esp32/tools/ &&
+    python get.py &&
+    cd $TRAVIS_BUILD_DIR
+)
+fi
+
+if [ $? -ne 0 ]; then echo -e "\033[0;31m\xe2\x9c\x96"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 echo -n "DUE: "
 DEPENDENCY_OUTPUT=$(arduino --install-boards arduino:sam 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96 or cached"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 echo -n "ZERO: "
 DEPENDENCY_OUTPUT=$(arduino --install-boards arduino:samd 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96 or cached"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 echo -n "ESP8266: "
 DEPENDENCY_OUTPUT=$(arduino --install-boards esp8266:esp8266 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96 or cached"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 echo -n "ADAFRUIT AVR: "
 DEPENDENCY_OUTPUT=$(arduino --install-boards adafruit:avr 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96 or cached"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 echo -n "ADAFRUIT SAMD: "
 DEPENDENCY_OUTPUT=$(arduino --install-boards adafruit:samd 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96 or cached"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 # install random lib so the arduino IDE grabs a new library index
 # see: https://github.com/arduino/Arduino/issues/3535
 echo -n "UPDATE LIBRARY INDEX: "
 DEPENDENCY_OUTPUT=$(arduino --install-library USBHost > /dev/null 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\033[0;31m\xe2\x9c\x96"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 # set the maximal compiler warning level
 echo -n "SET BUILD PREFERENCES: "
 DEPENDENCY_OUTPUT=$(arduino --pref "compiler.warning_level=all" --save-prefs 2>&1)
-if [ $? -ne 0 ]; then echo -e "\xe2\x9c\x96"; else echo -e "\xe2\x9c\x93"; fi
+if [ $? -ne 0 ]; then echo -e "\033[0;31m\xe2\x9c\x96"; else echo -e "\033[0;32m\xe2\x9c\x93"; fi
 
 # init the json temp var for the current platform
 export PLATFORM_JSON=""
@@ -163,12 +189,12 @@ function build_platform()
   # notify if the platform switch failed
   if [ $platform_switch -ne 0 ]; then
     # heavy X
-    echo -e "\xe2\x9c\x96"
+    echo -e "\033[0;31m\xe2\x9c\x96"
     echo $platform_stdout
     exit_code=1
   else
     # heavy checkmark
-    echo -e "\xe2\x9c\x93"
+    echo -e "\033[0;32m\xe2\x9c\x93"
   fi
 
   echo "########################################################################";
@@ -193,7 +219,7 @@ function build_platform()
     # continue to next example if platform switch failed
     if [ $platform_switch -ne 0 ]; then
       # heavy X
-      echo -e "\xe2\x9c\x96"
+      echo -e "\033[0;31m\xe2\x9c\x96"
 
       # add json
       PLATFORM_JSON="${PLATFORM_JSON}$(json_sketch 0 $example_file $last_example)"
@@ -243,7 +269,7 @@ function build_platform()
     if [[ $example =~ \.pde$ ]]; then
 
       # heavy X
-      echo -e "\xe2\x9c\x96"
+      echo -e "\033[0;31m\xe2\x9c\x96"
 
       echo -e "-------------------------- DEBUG OUTPUT --------------------------\n"
       echo "PDE EXTENSION. PLEASE UPDATE TO INO"
@@ -272,7 +298,7 @@ function build_platform()
     if [ $? -ne 0 ]; then
 
       # heavy X
-      echo -e "\xe2\x9c\x96"
+      echo -e "\033[0;31m\xe2\x9c\x96"
 
       echo -e "----------------------------- DEBUG OUTPUT -----------------------------\n"
       echo "$build_stdout"
@@ -290,7 +316,7 @@ function build_platform()
     else
 
       # heavy checkmark
-      echo -e "\xe2\x9c\x93"
+      echo -e "\033[0;32m\xe2\x9c\x93"
 
       # add json
       PLATFORM_JSON="${PLATFORM_JSON}$(json_sketch 1 "$example_file" $last_example)"