release-version.sh: handle missing/invalid license

If licenseName is not set, or set to N/A, skip copyright blurb update.

Author: ctrueden

release-version.sh

@@ -102,9 +102,11 @@ Options include:
 
 # -- Extract project details --
 
-projectDetails=$(mvn -N -Dexec.executable='echo' -Dexec.args='${project.version}::${project.parent.groupId}:${project.parent.artifactId}:${project.parent.version}' exec:exec -q)
-parentGAV=${projectDetails#*::}
-currentVersion=${projectDetails%::*}
+projectDetails=$(mvn -N -Dexec.executable='echo' -Dexec.args='${project.version}/${license.licenseName}/${project.parent.groupId}:${project.parent.artifactId}:${project.parent.version}' exec:exec -q)
+currentVersion=${projectDetails%%/*}
+projectDetails=${projectDetails#*/}
+licenseName=${projectDetails%%/*}
+parentGAV=${projectDetails#*/}
 
 # -- Sanity checks --
 
@@ -171,11 +173,13 @@ test "$FETCH_HEAD" = "$(git merge-base $FETCH_HEAD $HEAD)" ||
 	die "'master' is not up-to-date"
 
 # Ensure license headers are up-to-date.
-mvn license:update-project-license license:update-file-header &&
-git add LICENSE.txt ||
-	die 'Failed to update copyright blurbs'
-no_changes_pending ||
-	die 'Copyright blurbs needed an update -- commit changes and try again'
+test -z "$licenseName" -o "$licenseName" = "N/A" || {
+	mvn license:update-project-license license:update-file-header &&
+	git add LICENSE.txt ||
+		die 'Failed to update copyright blurbs'
+	no_changes_pending ||
+		die 'Copyright blurbs needed an update -- commit changes and try again'
+}
 
 # Prepare new release without pushing (requires the release plugin >= 2.1).
 $DRY_RUN mvn $BATCH_MODE release:prepare -DpushChanges=false -Dresume=false $TAG \