Cli add version argument (#376)

planetiler-core/pom.xml

@@ -141,6 +141,12 @@
   </dependencies>
 
   <build>
+    <resources>
+      <resource>
+        <directory>src/main/resources</directory>
+        <filtering>true</filtering>
+      </resource>
+    </resources>
     <testResources>
       <testResource>
         <directory>src/test/resources</directory>

planetiler-core/src/main/java/com/onthegomap/planetiler/Planetiler.java

@@ -25,10 +25,13 @@ import com.onthegomap.planetiler.util.ResourceUsage;
 import com.onthegomap.planetiler.util.Translations;
 import com.onthegomap.planetiler.util.Wikidata;
 import com.onthegomap.planetiler.worker.RunnableThatThrows;
+import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Properties;
 import java.util.function.Function;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -439,6 +442,11 @@ public class Planetiler {
    * @throws Exception                if an error occurs while processing
    */
   public void run() throws Exception {
+    var showVersion = arguments.getBoolean("version", "show version then exit", false);
+    printVersionInfoFromManifest();
+    if (showVersion) {
+      System.exit(0);
+    }
     if (profile() == null) {
       throw new IllegalArgumentException("No profile specified");
     }
@@ -543,6 +551,22 @@ public class Planetiler {
     stats.close();
   }
 
+  public static void printVersionInfoFromManifest() {
+    try (var properties = Planetiler.class.getResourceAsStream("/buildinfo.properties")) {
+      var parsed = new Properties();
+      parsed.load(properties);
+      LOGGER.info("Planetiler build git hash: {}", parsed.getProperty("githash"));
+      LOGGER.info("Planetiler build version: {}", parsed.getProperty("version"));
+      var epochMs = parsed.getProperty("timestamp");
+      if (epochMs != null && !epochMs.isBlank() && epochMs.matches("^\\d+$")) {
+        var time = Instant.ofEpochMilli(Long.parseLong(epochMs));
+        LOGGER.info("Planetiler build timestamp: {}", time);
+      }
+    } catch (IOException e) {
+      LOGGER.error("Error getting build properties");
+    }
+  }
+
   private void checkDiskSpace() {
     ResourceUsage readPhase = new ResourceUsage("read phase disk");
     ResourceUsage writePhase = new ResourceUsage("write phase disk");

planetiler-core/src/main/resources/buildinfo.properties

@@ -0,0 +1,3 @@
+githash=${buildNumber}
+timestamp=${timestamp}
+version=${revision}

pom.xml

@@ -28,6 +28,7 @@
     <sonar.moduleKey>${project.artifactId}</sonar.moduleKey>
     <sonar.exclusions>planetiler-benchmarks/**/*, planetiler-openmaptiles/**/*</sonar.exclusions>
     <revision>0.6-SNAPSHOT</revision>
+    <timestamp>${maven.build.timestamp}</timestamp>
   </properties>
 
   <scm>
@@ -160,6 +161,19 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>buildnumber-maven-plugin</artifactId>
+        <version>3.0.0</version>
+        <executions>
+          <execution>
+            <phase>validate</phase>
+            <goals>
+              <goal>create</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>com.diffplug.spotless</groupId>
         <artifactId>spotless-maven-plugin</artifactId>