SONAR-14822 Provide a GitHub Action to scan a project

entrypoint.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+if [[ -z "${SONAR_TOKEN}" ]]; then
+  echo "This GitHub Action requires the SONAR_TOKEN env variable."
+  exit 1
+fi
+
+if [[ -z "${SONAR_HOST_URL}" ]]; then
+  echo "This GitHub Action requires the SONAR_HOST_URL env variable."
+  exit 1
+fi
+
+if [[ -f "${INPUT_PROJECTBASEDIR%/}pom.xml" ]]; then
+  echo "Maven project detected. You should run the goal 'org.sonarsource.scanner.maven:sonar' during build rather than using this GitHub Action."
+  exit 1
+fi
+
+if [[ -f "${INPUT_PROJECTBASEDIR%/}build.gradle" ]]; then
+  echo "Gradle project detected. You should use the SonarQube plugin for Gradle during build rather than using this GitHub Action."
+  exit 1
+fi
+
+unset JAVA_HOME
+
+sonar-scanner -Dsonar.projectBaseDir=${INPUT_PROJECTBASEDIR} ${INPUT_ARGS}