Fix the language plugin to return a version

CHANGELOG_PENDING.md

@@ -14,4 +14,6 @@
 
 - Update `io.github.gradle-nexus.publish-plugin` to 2.0.0 from 1.1.0.
 
-### Bug Fixes
+### Bug Fixes
+
+- Fix the language plugin to return a version

Makefile

@@ -17,11 +17,15 @@ test_go:: build_go submodule_update
 
 bin/pulumi-language-java: ${PKG_FILES}
 	mkdir -p bin
-	cd pkg && go build -o ../bin github.com/pulumi/pulumi-java/pkg/cmd/pulumi-language-java
+	cd pkg && go build -o ../bin \
+		-ldflags "-X github.com/pulumi/pulumi-java/pkg/version.Version=$(shell pulumictl get version --tag-pattern '^pkg')" \
+		github.com/pulumi/pulumi-java/pkg/cmd/pulumi-language-java
 
 bin/pulumi-java-gen: ${PKG_FILES}
 	mkdir -p bin
-	cd pkg && go build -o ../bin -ldflags "-X github.com/pulumi/pulumi-java/pkg/version.Version=$(shell pulumictl get version --tag-pattern '^pkg')" github.com/pulumi/pulumi-java/pkg/cmd/pulumi-java-gen
+	cd pkg && go build -o ../bin \
+		-ldflags "-X github.com/pulumi/pulumi-java/pkg/version.Version=$(shell pulumictl get version --tag-pattern '^pkg')" \
+		github.com/pulumi/pulumi-java/pkg/cmd/pulumi-java-gen
 
 # Java SDK is a gradle project rooted at `sdk/java`
 

pkg/cmd/pulumi-language-java/main.go

@@ -20,6 +20,7 @@ import (
 
 	pbempty "github.com/golang/protobuf/ptypes/empty"
 	"github.com/pkg/errors"
+	hclsyntax "github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
 	"github.com/pulumi/pulumi/pkg/v3/codegen/pcl"
 	"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
 	"github.com/pulumi/pulumi/sdk/v3/go/common/resource/plugin"
@@ -29,7 +30,6 @@ import (
 	"github.com/pulumi/pulumi/sdk/v3/go/common/util/fsutil"
 	"github.com/pulumi/pulumi/sdk/v3/go/common/util/logging"
 	"github.com/pulumi/pulumi/sdk/v3/go/common/util/rpcutil"
-	"github.com/pulumi/pulumi/sdk/v3/go/common/version"
 	"github.com/pulumi/pulumi/sdk/v3/go/common/workspace"
 	pulumirpc "github.com/pulumi/pulumi/sdk/v3/proto/go"
 	"golang.org/x/exp/maps"
@@ -40,7 +40,7 @@ import (
 	codegen "github.com/pulumi/pulumi-java/pkg/codegen/java"
 	"github.com/pulumi/pulumi-java/pkg/internal/executors"
 	"github.com/pulumi/pulumi-java/pkg/internal/fsys"
-	hclsyntax "github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
+	"github.com/pulumi/pulumi-java/pkg/version"
 )
 
 // Launches the language host RPC endpoint, which in turn fires up an RPC server implementing the

tests/integration/about/Pulumi.yaml

@@ -0,0 +1,3 @@
+name: about
+description: An empty project
+runtime: java

tests/integration/about/pom.xml

@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.pulumi.example</groupId>
+    <artifactId>about</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <encoding>UTF-8</encoding>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.release>11</maven.compiler.release>
+        <mainClass>${project.groupId}.${project.artifactId}.App</mainClass>
+        <mainArgs/>
+        <pulumiSdkVersion>0.0.1</pulumiSdkVersion>
+    </properties>
+
+    <profiles>
+        <profile>
+            <id>env-dependencies</id>
+            <activation>
+                <property>
+                    <name>env.PULUMI_JAVA_SDK_VERSION</name>
+                </property>
+            </activation>
+            <properties>
+                <pulumiSdkVersion>${env.PULUMI_JAVA_SDK_VERSION}</pulumiSdkVersion>
+            </properties>
+        </profile>
+    </profiles>
+
+    <dependencies>
+      <dependency>
+        <groupId>com.pulumi</groupId>
+        <artifactId>pulumi</artifactId>
+        <version>${pulumiSdkVersion}</version>
+      </dependency>
+      <dependency>
+        <groupId>com.google.code.findbugs</groupId>
+        <artifactId>jsr305</artifactId>
+        <version>3.0.2</version>
+      </dependency>
+      <dependency>
+        <groupId>com.pulumi</groupId>
+        <artifactId>random</artifactId>
+        <version>4.8.1</version>
+      </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.2.2</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <mainClass>${mainClass}</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <version>3.3.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <mainClass>${mainClass}</mainClass>
+                        </manifest>
+                    </archive>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>make-my-jar-with-dependencies</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>3.0.0</version>
+                <configuration>
+                    <mainClass>${mainClass}</mainClass>
+                    <commandlineArgs>${mainArgs}</commandlineArgs>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-wrapper-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    <mavenVersion>3.8.5</mavenVersion>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

tests/integration/about/src/main/java/com/pulumi/example/about/App.java

@@ -0,0 +1,12 @@
+package com.pulumi.example.about;
+
+import com.pulumi.Pulumi;
+import com.pulumi.core.Output;
+
+public class App {
+    public static void main(String[] args) {
+        Pulumi.run(ctx -> {
+            ctx.export("exampleOutput", Output.of("example"));
+        });
+    }
+}

tests/integration/java_integration_test.go

@@ -12,10 +12,25 @@ import (
 
 	"github.com/pulumi/pulumi/pkg/v3/testing/integration"
 	"github.com/pulumi/pulumi/sdk/v3/go/common/resource"
+	ptesting "github.com/pulumi/pulumi/sdk/v3/go/common/testing"
 	"github.com/pulumi/pulumi/sdk/v3/go/common/tokens"
 )
 
 func TestIntegrations(t *testing.T) {
+	t.Run("about", func(t *testing.T) {
+		t.Parallel()
+
+		e := ptesting.NewEnvironment(t)
+		defer e.DeleteIfNotFailed()
+
+		e.ImportDirectory(filepath.Join(getCwd(t), "about"))
+
+		stdout, stderr := e.RunCommand("pulumi", "about")
+		// There should be no "unknown" plugin versions.
+		assert.NotContains(t, stdout, "unknown")
+		assert.NotContains(t, stderr, "unknown")
+	})
+
 	t.Run("stack-reference", func(t *testing.T) {
 		dir := filepath.Join(getCwd(t), "stack-reference")
 		test := getJavaBase(t, integration.ProgramTestOptions{