REPO-4735 Added function script and new varify tag version

Big test message below:

[skipTests] message [trigger-release] [devRelease=6.3.0-SNAPSHOT] [release=6.3.0-A5][comRelease=202003] adding some nonsense to test the message -8y-18hrnfjif1][]1[]1r[1][f3][]3g[g]g[[]3[]g[4][]4]g4][3]455[5][6]34[]g[]g[42[r1r31443=1=3=411=3]

.travis.yml

@@ -111,10 +111,7 @@ matrix:
       install: skip #travis_wait mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V -q
       # Fail the job if there is a docker image tag that matches the RELEASE_VERSION (or project version in the POM if not set)
       before_script: skip #bash ./scripts/travis/verifyReleaseTag.sh 
-      script: 
-        - echo ${TRAVIS_COMMIT_MESSAGE}
-        - echo ${TRAVIS_COMMIT}
-        - bash ./scripts/travis/mavenReleaseCommitVariablesV2.sh ${TRAVIS_COMMIT_MESSAGE}
+      script: bash ./scripts/travis/mavenReleaseCommitVariablesV2.sh 
       # if the release stage fails rollback
       # after_failure: 
       #   - mvn release:rollback -DscmCommentPrefix="[maven-release-plugin][skip ci] "

scripts/travis/common_functions.sh

@@ -0,0 +1,8 @@
+extractVariable()
+{
+    local variablePrefix=$1 commitMessage=$2
+    regex="\[$variablePrefix[^\]]*=\K[^\]]*(?=\])" 
+    echo $commitMessage | grep -Po $regex1
+}
+
+echo "common_function.sh loaded"

scripts/travis/mavenReleaseCommitVariablesV2.sh

@@ -1,16 +1,16 @@
 #!/usr/bin/env bash
 set -ev
 
-releaseVersion=$(echo $TRAVIS_COMMIT_MESSAGE | grep -Po '\[release[^\]]*=\K[^\]]*(?=\])')
-developmentVersion=$(echo $TRAVIS_COMMIT_MESSAGE | grep -Po '\[devRelease[^\]]*=\K[^\]]*(?=\])')
+. ./common_functions.sh
+
+releaseVersion=$(extractVariable "release" $TRAVIS_COMMIT_MESSAGE)
+developmentVersion=$(extractVariable "devRelease" $TRAVIS_COMMIT_MESSAGE)
 
 scm_path=$(mvn help:evaluate -Dexpression=project.scm.url -q -DforceStdout)
 # Use full history for release
 git checkout -B "${TRAVIS_BRANCH}"
 # Add email to link commits to user
 git config user.email "${GIT_EMAIL}"
-echo "releaseVersion is assigned $releaseVersion"
-echo "developmentVersion is assigned $developmentVersion"
 if [ -z ${releaseVersion} ] || [ -z ${developmentVersion} ]; 
     then echo "Please provide a Release and Development verison in the format <acs-version>-<additional-info> (6.3.0-EA or 6.3.0-SNAPSHOT) by adding a commit message"
          exit -1
@@ -41,7 +41,7 @@ else
     # release:clean release:prepare release:perform \
     # -Prelease
     echo "We're going to skip the release this time."
-    echo "Reaching this point means we have successfully extract the release and development versions from the commit message"
+    echo "Reaching this point means we have successfully extracted the release and development versions from the commit message"
     echo "releaseVersion=$releaseVersion"
     echo "developmentVersion=$developmentVersion"
 fi

scripts/travis/verifyReleaseTagCommitVaraibles.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -e
+. ./common_functions.sh
+
+releaseVersion=$(extractVariable "release" $TRAVIS_COMMIT_MESSAGE)
+
+# get the image name from the pom file
+alfresco_docker_image=$(mvn help:evaluate -f ./docker-alfresco/pom.xml -Dexpression=image.name -q -DforceStdout)
+if [ -v ${releaseVersion} ]||[ -z ${releaseVersion} ]; then
+    # if we don't have a user added release version, get the verison from the pom
+    # TODO: Set up continuous release. As of REPO-4735 the following is not required if release stage is manual
+    # pom_version=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+    # if echo $pom_version | grep -q  ".*-SNAPSHOT"; then
+    #     releaseVersion=${pom_version%-*}  # remove everything after the last '-'
+    # else
+    #     releaseVersion=$pom_version
+    # fi
+    echo "Please provide a releaseVersion in the format <acs-version>-<additional-info> (6.3.0-EA or 6.3.0-SNAPSHOT)"
+    exit -1
+fi
+docker_image_full_name="$alfresco_docker_image:$releaseVersion"
+
+function docker_image_exists() {
+  local image_full_name="$1"; shift
+    local wait_time="${1:-5}"
+    local search_term='Pulling|is up to date|not found'
+    echo "Looking to see if $image_full_name already exists..."
+    local result="$((timeout --preserve-status "$wait_time" docker 2>&1 pull "$image_full_name" &) | grep -v 'Pulling repository' | egrep -o "$search_term")"
+    test "$result" || { echo "Timed out too soon. Try using a wait_time greater than $wait_time..."; return 1 ;}
+    if echo $result | grep -vq 'not found'; then
+        true
+    else 
+        false
+    fi
+}
+
+if docker_image_exists $docker_image_full_name; then
+    echo "Tag $releaseVersion already pushed, release process will interrupt."
+    exit -1 
+else
+    echo "The $releaseVersion tag was not found"
+fi