feat: add versioning (#490)

Signed-off-by: Bartosz Czyż <czyzbartosz3@gmail.com>

Author: czyz-bartosz

here-naksha-cli/build.gradle.kts

@@ -6,8 +6,10 @@ plugins {
 }
 
 description = gatherDescription()
+version = "0.1.0"
 val mainCliClass = "com.here.naksha.cli.Main"
 val fatJarBaseName = "naksha-cli"
+val versionFile = project.projectDir.resolve("src/jvmMain/java/com/here/naksha/cli/VersionInfo.java")
 
 configurations.all {
     exclude(group = "org.slf4j", module = "slf4j-simple")
@@ -51,20 +53,40 @@ tasks {
     }
 
     val shadowCreate by registering(ShadowJar::class) {
+        group = "Shadow"
+        description = "Creates fat jar"
         archiveBaseName.set(fatJarBaseName)
         archiveClassifier.set("")
-        archiveVersion.set(project.version.toString())
+        archiveVersion.set(version.toString())
         manifest {
             attributes["Main-Class"] = mainCliClass
         }
-
         from(kotlin.jvm().compilations.getByName("main").output)
-
         configurations = listOf(project.configurations.getByName("jvmRuntimeClasspath"))
     }
 
-    named("jvmJar") {
-        dependsOn(shadowCreate)
+    val generateVersionFile by registering {
+        doLast {
+            if (!versionFile.exists()) throw GradleException("${versionFile.name} file not found: ${versionFile.path}")
+            versionFile.writeText(
+                """
+            package com.here.naksha.cli;
+            import picocli.CommandLine;
+            // This file is auto-generated by Gradle. ANY CHANGE WILL BE OVERWRITTEN!
+            public final class VersionInfo implements CommandLine.IVersionProvider {
+                @Override
+                public String[] getVersion() {
+                    return new String[] {"$fatJarBaseName $version"};
+                }
+                private VersionInfo() {}
+            }
+            """.trimIndent()
+            )
+        }
+    }
+
+    getByName("jvmMainClasses") {
+        dependsOn(generateVersionFile)
     }
 }
 

here-naksha-cli/naksha-cli

@@ -2,7 +2,7 @@
 set -e # exit on error
 
 DIR="$(cd "$(dirname "$0")" && pwd)"
-gradle :here-naksha-cli:jvmJar > /dev/null 2>&1
+gradle :here-naksha-cli:shadowCreate > /dev/null 2>&1
 
 JAR=$(find "${DIR}/build/libs" -name "naksha-cli*.jar" -type f -exec ls -t {} + | head -n 1)
 

here-naksha-cli/src/jvmMain/java/com/here/naksha/cli/NakshaCliCommand.java

@@ -9,7 +9,8 @@
         mixinStandardHelpOptions = true,
         subcommands = {
                 CopyCommand.class
-        }
+        },
+        versionProvider = VersionInfo.class
 )
 public final class NakshaCliCommand {
     @CommandLine.Mixin

here-naksha-cli/src/jvmMain/java/com/here/naksha/cli/VersionInfo.java

@@ -0,0 +1,10 @@
+package com.here.naksha.cli;
+import picocli.CommandLine;
+// This file is auto-generated by Gradle. ANY CHANGE WILL BE OVERWRITTEN!
+public final class VersionInfo implements CommandLine.IVersionProvider {
+    @Override
+    public String[] getVersion() {
+        return new String[] {"naksha-cli 0.1.0"};
+    }
+    private VersionInfo() {}
+}