From 15c0083c2482da8635c305b736e982d5d1b5268b Mon Sep 17 00:00:00 2001
From: Basil Crow <me@basilcrow.com>
Date: Wed, 19 Apr 2023 07:49:43 -0700
Subject: [PATCH] Add default specification entries, default implementation
 entries, and Git hash to `MANIFEST.MF` (#419)

---
 pom.xml | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/pom.xml b/pom.xml
index 523028c..0c75ef5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,6 +85,7 @@
     <scmTag>HEAD</scmTag>
 
     <build-helper-maven-plugin.version>3.3.0</build-helper-maven-plugin.version>
+    <buildnumber-maven-plugin.version>3.0.0</buildnumber-maven-plugin.version>
     <exec-maven-plugin.version>3.1.0</exec-maven-plugin.version>
     <hpi-plugin.version>3.42</hpi-plugin.version>
     <incrementals-enforce-minimum.version>1.0-beta-4</incrementals-enforce-minimum.version>
@@ -331,6 +332,11 @@
             </execution>
           </executions>
         </plugin>
+        <plugin>
+          <groupId>org.codehaus.mojo</groupId>
+          <artifactId>buildnumber-maven-plugin</artifactId>
+          <version>${buildnumber-maven-plugin.version}</version>
+        </plugin>
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>exec-maven-plugin</artifactId>
@@ -523,6 +529,52 @@
     </pluginManagement>
 
     <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>buildnumber-maven-plugin</artifactId>
+        <configuration>
+          <doCheck>true</doCheck>
+          <failTheBuild>false</failTheBuild>
+          <getRevisionOnlyOnce>true</getRevisionOnlyOnce>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>create</goal>
+            </goals>
+            <phase>validate</phase>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+          <archive>
+            <manifest>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+              <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+            </manifest>
+            <manifestEntries>
+              <Implementation-Build>${buildNumber}</Implementation-Build>
+            </manifestEntries>
+          </archive>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-war-plugin</artifactId>
+        <configuration>
+          <archive>
+            <manifest>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+            </manifest>
+            <manifestEntries>
+              <Implementation-Build>${buildNumber}</Implementation-Build>
+            </manifestEntries>
+          </archive>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>