now changing release version before building and testing

.travis.yml

@@ -14,6 +14,7 @@ cache:
 before_install:
   - nvm install $NODE_VERSION
   - npm install -g @angular/cli >/dev/null 2>&1
+  - lib/deployment/change_version.sh rest/ lib/
 install:
   - (cd workplace && npm install --no-progress && ng build --environment=prod --no-progress)
     && (cd web && npm install --no-progress && npm run build:prod)

lib/deployment/change_version.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e #fail fast
+
+#H Usage:
+#H change_version.sh -h | change_version.sh --help
+#H
+#H prints this help and exits  
+#H 
+#H change_version.sh [modules...]
+#H
+#H   if a release version exists (extracted from TRAVIS_TAG) 
+#H   the maven versions of all modules will be changed to the given release version.
+#H
+#H Environment variables:
+#H   - TRAVIS_TAG 
+#H       if this is a tagged build then TRAVIS_TAG contains the version number.
+#H       pattern: v[DIGIT].[DIGIT].[DIGIT]
+# Arguments:
+#   $1: exitcode
+function helpAndExit {
+  cat "$0" | grep "^#H" | cut -c4-
+  exit "$1"
+}
+
+# changing version in pom and all its children
+# Arguments:
+#   $1: directory of pom
+#   $2: new version
+function change_version {
+  $debug mvn org.codehaus.mojo:versions-maven-plugin:2.5:set -f "$1" -DnewVersion="$2"   -DartifactId=*  -DgroupId=*
+}
+
+function main {
+	if [[ $# -eq 0 || "$1" == "-h" || "$1" == "--help"  ]]; then
+	    helpAndExit 0
+	fi	 
+	if [[ "$TRAVIS_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+		while [[ $# -gt 0 ]]; do
+			change_version "$1" "${TRAVIS_TAG##v}"
+			shift
+		done
+	else 
+		echo "skipped version change because this is not a release build"
+	fi
+}
+
+main "$@"

lib/deployment/release.sh

@@ -273,14 +273,6 @@ function main {
         branch="BRANCH"
         echo "!!! - Skipping automatic detection of tag branch. Instead using '$branch'"
     fi
-
-    if [[ -n "$PARENT_DIR" ]]; then
-      change_version "$PARENT_DIR" "${TRAVIS_TAG##v}"
-    else
-      for dir in ${MODULES[@]}; do
-        change_version "$dir" "${TRAVIS_TAG##v}"
-      done
-    fi
   else
     if [[ "$TRAVIS_BRANCH" != 'master' ]]; then
       echo "Skipping release to sonatype because this branch is not permitted"