Scripting: deprecate maven script executing mojo

#KT-71685 fixed

Author: ligee

libraries/tools/kotlin-maven-plugin-test/src/it/test-executeKotlinScriptBuildAccess/verify.bsh

@@ -1,3 +1,4 @@
 source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
 
+assertBuildLogHasLineThatContains("Executing scripts in maven build files is deprecated");
 assertBuildLogHasLine("[INFO] kotlin build script accessing build info of test-executeKotlinScriptBuildAccess project")

libraries/tools/kotlin-maven-plugin-test/src/it/test-executeKotlinScriptCompileError/verify.bsh

@@ -1,4 +1,5 @@
 source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
 
+assertBuildLogHasLineThatContains("Executing scripts in maven build files is deprecated");
 assertBuildLogHasLine("[INFO] BUILD FAILURE");
 assertBuildLogHasLineThatContains("Unresolved reference: compileErrorHere");

libraries/tools/kotlin-maven-plugin-test/src/it/test-executeKotlinScriptFile/verify.bsh

@@ -1,3 +1,4 @@
 source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
 
+assertBuildLogHasLineThatContains("Executing scripts in maven build files is deprecated");
 assertBuildLogHasLine("Hello from Kotlin script file!")

libraries/tools/kotlin-maven-plugin-test/src/it/test-executeKotlinScriptInline/verify.bsh

@@ -1,3 +1,4 @@
 source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
 
+assertBuildLogHasLineThatContains("Executing scripts in maven build files is deprecated");
 assertBuildLogHasLine("Hello from inline Kotlin script!")

libraries/tools/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/ExecuteKotlinScriptMojo.java

@@ -116,6 +116,8 @@ public class ExecuteKotlinScriptMojo extends AbstractMojo {
 
     @Override
     public void execute() throws MojoExecutionException, MojoFailureException {
+        getLog().warn("Executing scripts in maven build files is deprecated and will be removed in further release.");
+
         if (scriptFile != null && script == null) {
             executeScriptFile(scriptFile);
         } else if (scriptFile == null && script != null) {