add changelog and github release tools

build.gradle

@@ -8,6 +8,7 @@ buildscript {
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
+        classpath "com.github.breadmoirai:github-release:$github_release_plugin_version"
     }
 }
 
@@ -20,6 +21,7 @@ project.version = "0.3.1"
 project.group = "com.insanusmokrassar"
 
 apply from: "publish.gradle"
+apply from: "github_release.gradle"
 
 repositories {
     mavenLocal()

changelog_parser.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+function parse() {
+    version=$1
+
+    while IFS= read -r line && [ -z "`echo $line | grep -e "^#\+ $version"`" ]
+    do
+        : # do nothing
+    done
+
+    while IFS= read -r line && [ -z "`echo $line | grep -e "^#\+"`" ]
+    do
+        echo "$line"
+    done
+}
+
+version=$1
+file=$2
+
+if [ -n "$file" ]; then
+  parse $version < "$file"
+else
+  parse $version
+fi

github_release.gradle

@@ -0,0 +1,27 @@
+private String getCurrentVersionChangelog() {
+    OutputStream changelogDataOS = new ByteArrayOutputStream()
+    exec {
+        standardOutput = changelogDataOS
+        commandLine './changelog_info_retriever', "$library_version", 'CHANGELOG.md'
+    }
+
+    return changelogDataOS.toString().trim()
+}
+
+if (new File(projectDir, "secret.gradle").exists()) {
+    apply from: './secret.gradle'
+    apply plugin: "com.github.breadmoirai.github-release"
+
+    githubRelease {
+        token "${project.property('GITHUB_RELEASE_TOKEN')}"
+
+        owner "InsanusMokrassar"
+        repo "${rootProject.name}"
+
+        tagName "$library_version"
+        releaseName "$library_version"
+        targetCommitish "$library_version"
+
+        body getCurrentVersionChangelog()
+    }
+}

gradle.properties

@@ -8,4 +8,6 @@ gradle_bintray_plugin_version=1.8.5
 
 klockVersion=1.12.1
 
+github_release_plugin_version=2.2.12
+
 kotlin.incremental.multiplatform=true