Refactoring, with added feature and some fixes (#25 #27 #19) (#29)

Some renovation and refactoring

* fix offsets instead of rebuilding JAR (#25)
* programFile should only work with 1 artifact (#27)
* allow setting a specific file as input (#19)
* add integration tests

* Update to basepom 51
* add a github action for CI
* update README for added clarity
* add maven wrapper

Author: klausbrunner

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI
+
+on:
+  [ "push", "pull_request" ]
+
+env:
+  BUILD_JDK: '17'
+  TEST_JDK: '8'
+
+jobs:
+  build:
+    name: build and test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          java-version: |
+            ${{ env.TEST_JDK }}
+            ${{ env.BUILD_JDK }}
+          distribution: 'corretto'
+          cache: maven
+      - name: Build with Maven
+        run: |
+          ./mvnw -ntp -B package
+      - name: Run integration tests
+        run: |
+          ./mvnw -e -ntp -B -Dinvoker.javaHome="$JAVA_HOME_${{ env.TEST_JDK }}_${{ runner.arch }}" verify
+      - name: Run integration tests on older Maven
+        run: |
+          ./mvnw wrapper:wrapper -Dmaven=3.6.0
+          ./mvnw -e -B -Dinvoker.javaHome="$JAVA_HOME_${{ env.TEST_JDK }}_${{ runner.arch }}" verify
+

.gitignore

@@ -12,3 +12,4 @@ out
 .settings
 *~
 test-output
+/.mvn/wrapper/maven-wrapper.jar

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.0/apache-maven-3.9.0-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar

README.md

@@ -1,12 +1,15 @@
-To use it, add a plugin to your pom like
+# really-executable-jar-maven-plugin
 
-``` xml
+There is an introductory blog post at http://skife.org/java/unix/2011/06/20/really_executable_jars.html
+
+To use it, add a plugin to your pom like:
 
+``` xml
 <!-- You need to build an exectuable uberjar, I like Shade for that -->
 <plugin>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-shade-plugin</artifactId>
-    <version>2.0</version>
+    <version>3.4.1</version>
     <executions>
         <execution>
             <phase>package</phase>
@@ -15,7 +18,6 @@ To use it, add a plugin to your pom like
             </goals>
             <configuration>
                 <transformers>
-                    <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
                     <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
 
                         <!-- note that the main class is set *here* -->
@@ -24,16 +26,6 @@ To use it, add a plugin to your pom like
                     </transformer>
                 </transformers>
                 <createDependencyReducedPom>false</createDependencyReducedPom>
-                <filters>
-                    <filter>
-                        <artifact>*:*</artifact>
-                        <excludes>
-                            <exclude>META-INF/*.SF</exclude>
-                            <exclude>META-INF/*.DSA</exclude>
-                            <exclude>META-INF/*.RSA</exclude>
-                        </excludes>
-                    </filter>
-                </filters>
             </configuration>
         </execution>
     </executions>
@@ -43,7 +35,7 @@ To use it, add a plugin to your pom like
 <plugin>
   <groupId>org.skife.maven</groupId>
   <artifactId>really-executable-jar-maven-plugin</artifactId>
-  <version>2.0.0</version>
+  <version>2.1.0</version>
   <configuration>
     <!-- value of flags will be interpolated into the java invocation -->
     <!-- as "java $flags -jar ..." -->
@@ -78,6 +70,13 @@ To use it, add a plugin to your pom like
 
 Changes:
 
+```
+2.1.0 - use zip-prefixer instead of rebuilding JAR
+      - improve handling of multi-artifact builds
+      - add inputFile parameter to select any file
+      - add basic integration testing
+      - require JDK 11+ to build (plugin still targets JDK 8)
+
 2.0.0 - support ZIP64 format
       - require Java 8, drop support for JDK7
       - support packaging other file formats than jars
@@ -97,9 +96,6 @@ Changes:
 .jar) executable, just the programFile one.
 
 1.0.0 - Stable
+```
 
-There is an introductory blog post at http://skife.org/java/unix/2011/06/20/really_executable_jars.html
-
-----
 
-[![Build Status](https://travis-ci.org/brianm/really-executable-jars-maven-plugin.svg?branch=master)](https://travis-ci.org/brianm/really-executable-jars-maven-plugin)