[docker] create images for final releases (#6594)

* [docker] create images for final releases

based on git tags

* fix script

Author: 3nids

.ci/travis/linux/before_script.sh

@@ -17,6 +17,16 @@ set -e
 
 pushd .docker
 
+source $(git rev-parse --show-toplevel)/.ci/travis/scripts/travis_envvar_helper.sh
+
+
+DOCKER_DEPS_PUSH=$( [[ $TRAVIS_REPO_SLUG =~ qgis/QGIS ]] && [[ $TRAVIS_EVENT_TYPE =~ push ]] && echo "true" || echo "false" )
+DOCKER_DEPS_IMAGE_REBUILD=$( [[ $TRAVIS_COMMIT_MESSAGE =~ '[docker] update dependencies' ]] && echo "true" || echo "false" )
+# on cron job, QGIS image is built and push without testing
+DOCKER_QGIS_IMAGE_BUILD_PUSH=create_qgis_image
+QGIS_LAST_BUILD_SUCCESS=true # TODO use API to know if last build succeed https://developer.travis-ci.com/resource/builds
+
+
 echo "travis_fold:start:travis_env"
 echo "${bold}${endbold}"
 echo "TRAVIS_BRANCH: $TRAVIS_BRANCH"
@@ -33,7 +43,7 @@ echo "travis_fold:end:travis_env"
 echo "travis_fold:start:docker_build"
 echo "${bold}Docker build deps${endbold}"
 docker --version
-if [[ $DOCKER_QGIS_IMAGE_BUILD_PUSH =~ false ]]; then
+if [[ $DOCKER_QGIS_IMAGE_BUILD_PUSH -eq 0 ]]; then
   docker-compose --version
   docker-compose -f $DOCKER_COMPOSE config
 fi

.ci/travis/linux/script.sh

@@ -15,11 +15,13 @@
 
 set -e
 
+source $(git rev-parse --show-toplevel)/.ci/travis/scripts/travis_envvar_helper.sh
 
+DOCKER_QGIS_IMAGE_BUILD_PUSH=create_qgis_image
 
 mkdir -p $CCACHE_DIR
 
-if [[ $DOCKER_QGIS_IMAGE_BUILD_PUSH =~ true ]]; then
+if [[ $DOCKER_QGIS_IMAGE_BUILD_PUSH -eq 1 ]]; then
   DIR=$(git rev-parse --show-toplevel)/.docker
   pushd ${DIR}
   echo "${bold}Building QGIS Docker image '${DOCKER_TAG}'...${endbold}"

.ci/travis/scripts/travis_envvar_helper.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+function create_qgis_image {
+
+if [[ ! $TRAVIS_REPO_SLUG =~ qgis/QGIS ]]; then
+  return 0
+fi
+if [[ $TRAVIS_EVENT_TYPE =~ cron ]] || [[ -n $TRAVIS_TAG ]]; then
+  return 1;
+fi
+return 0;
+}

.travis.yml

@@ -8,12 +8,8 @@ matrix:
       env:
         - TRAVIS_CONFIG=linux
         - DOCKER_COMPOSE=${TRAVIS_BUILD_DIR}/.docker/docker-compose.travis.yml
+        # TRAVIS_BRANCH is either the git tag or the branch name when no tag
         - DOCKER_TAG=$( [[ $TRAVIS_REPO_SLUG =~ qgis/QGIS ]] && echo $TRAVIS_BRANCH | sed 's/master/latest/' || echo "latest" )
-        - DOCKER_DEPS_PUSH=$( [[ $TRAVIS_REPO_SLUG =~ qgis/QGIS ]] && [[ $TRAVIS_EVENT_TYPE =~ push ]] && echo "true" || echo "false" )
-        - DOCKER_DEPS_IMAGE_REBUILD=$( [[ $TRAVIS_COMMIT_MESSAGE =~ '[docker] update dependencies' ]] && echo "true" || echo "false" )
-        # on cron job, QGIS image is built and push without testing
-        - DOCKER_QGIS_IMAGE_BUILD_PUSH=$( [[ $TRAVIS_REPO_SLUG =~ qgis/QGIS ]] && [[ $TRAVIS_EVENT_TYPE =~ cron ]] && echo "true" || echo "false" )
-        - QGIS_LAST_BUILD_SUCCESS=true # TODO use API to know if last build succeed https://developer.travis-ci.com/resource/builds
         - TRAVIS_TIMESTAMP=$(date +%s)
         - CCACHE_DIR=${HOME}/.ccache
       dist: trusty