feat: prependToFile (refs #41)

Author: tomasbjerre

git-changelog-maven-plugin-example/CHANGELOG_inline.md

@@ -5,7 +5,7 @@ Changelog of Git Changelog Maven plugin.
 ## Unreleased
 ### No issue
 
-[4bd2c1d8c72520d](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/4bd2c1d8c72520d) Tomas Bjerre *2022-03-26 05:53:09*
+[d22ecc7fee29b2d](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/d22ecc7fee29b2d) Tomas Bjerre *2022-03-26 05:53:50*
 
 [maven-release-plugin] prepare for next development iteration
 

git-changelog-maven-plugin-example/pom.xml

@@ -83,6 +83,7 @@
 							<goal>git-changelog</goal>
 						</goals>
 						<configuration>
+							<prependToFile>false</prependToFile>
 							<useIntegrations>true</useIntegrations>
 							<gitHubEnabled>trye</gitHubEnabled>
 							<gitHubIssuePattern>#([0-9]*)</gitHubIssuePattern>

src/main/java/se/bjurr/gitchangelog/plugin/GitChangelogMojo.java

@@ -172,6 +172,9 @@ public class GitChangelogMojo extends AbstractMojo {
   @Parameter(property = "useIntegrations", required = false)
   public Boolean useIntegrations;
 
+  @Parameter(property = "prependToFile", required = false)
+  public Boolean prependToFile;
+
   @Override
   public void execute() throws MojoExecutionException {
     if (this.skip != null && this.skip == true) {
@@ -338,7 +341,11 @@ public void execute() throws MojoExecutionException {
       }
 
       if (this.file != null) {
-        builder.toFile(this.file);
+        if (this.prependToFile) {
+          builder.prependToFile(this.file);
+        } else {
+          builder.toFile(this.file);
+        }
         this.getLog().info("#");
         this.getLog().info("# Wrote: " + this.file);
         this.getLog().info("#");