[#29] read the version from processed resources

this way the version is actually the version from the plugin's project
and not the version of the project to which the plugin is being applied

build.gradle

@@ -6,19 +6,17 @@ plugins {
 
 subprojects {
     group = 'com.medly.apifi'
+
+    repositories {
+        jcenter()
+    }
 }
 
-configure(subprojects.findAll {it.name != 'plugin'}) {
+configure(subprojects.findAll {it.name != 'plugin'}) { // no java component publishing for plugin
     apply plugin: 'org.jetbrains.kotlin.jvm'
     apply plugin: 'org.jetbrains.kotlin.kapt'
     apply plugin: "com.kdabir.mksrc"
     apply plugin: "maven-publish"
-
-
-    repositories {
-        mavenCentral()
-        jcenter()
-    }
 
     dependencies {
         implementation platform('org.jetbrains.kotlin:kotlin-bom')
@@ -82,14 +80,16 @@ project(":cli") {
 project(":runtime") {
 
     dependencies {
-        kapt(platform("io.micronaut:micronaut-bom:$micronautVersion"))
-        kapt("io.micronaut:micronaut-inject-java")
+        // todo do we need kapt in this project?
+        // kapt(platform("io.micronaut:micronaut-bom:$micronautVersion"))
+        // kapt("io.micronaut:micronaut-inject-java")
 
         implementation(platform("io.micronaut:micronaut-bom:$micronautVersion"))
         implementation("io.micronaut:micronaut-inject")
         implementation("io.micronaut:micronaut-http")
         implementation("io.micronaut:micronaut-http-server")
 
-        kaptTest("io.micronaut:micronaut-inject-java")
+        // todo do we need kapt in this project?
+        // kaptTest("io.micronaut:micronaut-inject-java")
     }
 }

plugin/build.gradle

@@ -6,3 +6,13 @@ plugins {
 dependencies {
     implementation project(":codegen")
 }
+
+project.afterEvaluate {
+    tasks.withType(ProcessResources) { processResources ->
+        inputs.property('projectVersion', project.version)
+
+        filesMatching("version.properties") {
+            expand('projectVersion': project.version)
+        }
+    }
+}

plugin/src/main/groovy/apifi/ApifiCodegen.groovy

@@ -1,12 +1,14 @@
 package apifi
 
 import apifi.codegen.*
+import groovy.transform.CompileStatic
 import org.gradle.api.DefaultTask
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.InputFile
 import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
 
+@CompileStatic
 class ApifiCodegen extends DefaultTask {
 
     @InputFile

plugin/src/main/groovy/apifi/VersionLoader.groovy

@@ -0,0 +1,22 @@
+package apifi
+
+import groovy.transform.CompileStatic
+
+@CompileStatic
+class VersionLoader {
+    static final String VERSION_PROPERTIES_PATH = "/version.properties"
+
+    private static String load() {
+        def stream = VersionLoader.getResourceAsStream(VERSION_PROPERTIES_PATH)
+        if (stream == null) {
+            throw new RuntimeException("""\
+                Could not load version.properties.
+                This could happen when plugin jar is deleted
+                Try Stopping Gradle Daemon (gradle --stop)""".stripIndent())
+        }
+        final Properties versions = new Properties()
+        versions.load(stream);
+
+        return versions['project.version'] ?: 'unspecified'
+    }
+}

plugin/src/main/groovy/com.medly.apifi.gradle

@@ -1,5 +1,7 @@
+def apifiVersion = apifi.VersionLoader.load()
+
 dependencies {
-    implementation(group: 'com.medly.apifi', name: 'runtime', version: this.getVersion())
+    implementation(group: 'com.medly.apifi', name: 'runtime', version: apifiVersion)
 }
 
 tasks.register('apifi', apifi.ApifiCodegen)

plugin/src/main/resources/version.properties

@@ -0,0 +1 @@
+project.version=${projectVersion}