Separate test and release stages in travis

- Revert test to being serial. Releases are using parallel jobs.
- Some cosmetic changes in build.sh

.travis.yml

@@ -4,6 +4,7 @@ python:
 sudo: false
 cache:
   directories:
+  - "~/.npm"
   - "~/.platformio"
   - "$TRAVIS_BUILD_DIR/code/.piolibdeps"
   - "$TRAVIS_BUILD_DIR/code/espurna/node_modules"
@@ -11,15 +12,25 @@ install:
 - pip install -U platformio
 - cd code ; npm install --only=dev ; cd ..
 env:
-    global:
-        - BUILDER_TOTAL_THREADS=4
-    matrix:
-        - BUILDER_THREAD=0
-        - BUILDER_THREAD=1
-        - BUILDER_THREAD=2
-        - BUILDER_THREAD=3
+  global:
+  - BUILDER_TOTAL_THREADS=4
 script:
 - cd code && ./build.sh -p &&  cd ..
+stages:
+- name: Test
+- name: Release
+  if: tag IS present AND branch = master
+jobs:
+  include:
+  - stage: Test
+    script: cd code && ./build.sh travis01
+  - script: cd code && ./build.sh travis02
+  - script: cd code && ./build.sh travis03
+  - stage: Release
+    env: BUILDER_THREAD=0
+  - env: BUILDER_THREAD=1
+  - env: BUILDER_THREAD=2
+  - env: BUILDER_THREAD=3
 before_deploy:
 - mv firmware/*/espurna-*.bin firmware/
 deploy:
@@ -30,8 +41,10 @@ deploy:
   file: firmware/espurna-*.bin
   skip_cleanup: true
   on:
-    all_branches: true
     tags: true
+    branch: master
+    repo: xoseperez/espurna
+    condition: $TRAVIS_BUILD_STAGE_NAME = Release
 notifications:
   pushover:
     api_key:

code/build.sh

@@ -27,12 +27,12 @@ while getopts "lp" opt; do
             ${par_total_threads} -ne ${par_total_threads} ]; then
                 echo "Parallel threads should be a number."
                 exit
-            fi
-            if [ ${par_thread} -ge ${par_total_threads} ]; then
-                echo "Current thread is greater than total threads. Doesn't make sense"
-                exit
-            fi
-            ;;
+        fi
+        if [ ${par_thread} -ge ${par_total_threads} ]; then
+            echo "Current thread is greater than total threads. Doesn't make sense"
+            exit
+        fi
+        ;;
     esac
 done
 
@@ -43,14 +43,14 @@ environments=$@
 # Environments to build
 if [ $# -eq 0 ]; then
 
-    environments=$available
-
-    # Hook to build travis test envs
-    if [[ "${TRAVIS_BRANCH}" != "" ]]; then
-        re='^[0-9]+\.[0-9]+\.[0-9]+$'
-        if ! [[ ${TRAVIS_BRANCH} =~ $re ]]; then
-            environments=$travis
-        fi
+    if [[ "${TRAVIS_BUILD_STAGE_NAME}" = "Release" ]] && [ ${par_build} ]; then
+        environments=$(echo ${available} | \
+            awk -v par_thread=${par_thread} -v par_total_threads=${par_total_threads} \
+            '{ for (i = 1; i <= NF; i++) if (++j % par_total_threads == par_thread ) print $i; }')
+    elif [[ "${TRAVIS_BUILD_STAGE_NAME}" = "Test" ]]; then
+        environments=$travis
+    else
+        environments=$available
     fi
 
 fi
@@ -84,13 +84,8 @@ node node_modules/gulp/bin/gulp.js || exit
 echo "--------------------------------------------------------------"
 echo "Building firmware images..."
 mkdir -p ../firmware/espurna-$version
-if [ ${par_build} ]; then
-    to_build=$(echo ${environments} | awk -v par_thread=${par_thread} -v par_total_threads=${par_total_threads} '{ for (i = 1; i <= NF; i++) if (++j % par_total_threads == par_thread ) print $i; }')
-else
-    to_build=${environments}
-fi
 
-for environment in $to_build; do
+for environment in $environments; do
     echo -n "* espurna-$version-$environment.bin --- "
     platformio run --silent --environment $environment || exit 1
     stat -c %s .pioenvs/$environment/firmware.bin