feat: handlebarsHelperFile

Author: tomasbjerre

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

@@ -4,7 +4,7 @@ Changelog of Git Changelog Maven plugin.
 
 ## Unreleased
 ### No issue
-   [maven-release-plugin] prepare for next development iteration *2021-12-03 17:28:29*
+   [maven-release-plugin] prepare for next development iteration *2021-12-03 17:29:19*
 
 
 

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

@@ -5,7 +5,7 @@ Changelog of Git Changelog Maven plugin.
 ## Unreleased
 ### No issue
 
-[0d291b2d813076c](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/0d291b2d813076c) Tomas Bjerre *2021-12-03 17:28:29*
+[8735074a445bb4a](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/8735074a445bb4a) Tomas Bjerre *2021-12-03 17:29:19*
 
 [maven-release-plugin] prepare for next development iteration
 

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

@@ -8,7 +8,7 @@ Changelog for tomasbjerre git-changelog-maven-plugin.
 **[maven-release-plugin] prepare for next development iteration**
 
 
-[0d291b2d813076c](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/0d291b2d813076c) Tomas Bjerre *2021-12-03 17:28:29*
+[8735074a445bb4a](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/8735074a445bb4a) Tomas Bjerre *2021-12-03 17:29:19*
 
 
 ## 1.81

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

@@ -8,7 +8,7 @@ Changelog for tomasbjerre git-changelog-maven-plugin.
 **[maven-release-plugin] prepare for next development iteration**
 
 
-[0d291b2d813076c](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/0d291b2d813076c) Tomas Bjerre *2021-12-03 17:28:29*
+[8735074a445bb4a](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/8735074a445bb4a) Tomas Bjerre *2021-12-03 17:29:19*
 
 
 ## git-changelog-maven-plugin-1.81

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

@@ -8,7 +8,7 @@ Changelog for tomasbjerre git-changelog-maven-plugin.
 **[maven-release-plugin] prepare for next development iteration**
 
 
-[0d291b2d813076c](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/0d291b2d813076c) Tomas Bjerre *2021-12-03 17:28:29*
+[8735074a445bb4a](https://github.com/tomasbjerre/git-changelog-maven-plugin/commit/8735074a445bb4a) Tomas Bjerre *2021-12-03 17:29:19*
 
 
 ## 1.81

pom.xml

@@ -43,7 +43,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<maven.compiler.source>1.8</maven.compiler.source>
-		<changelog-lib>1.162.0</changelog-lib>
+		<changelog-lib>1.163.0</changelog-lib>
 	</properties>
 
 	<dependencies>

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

@@ -4,6 +4,9 @@
 import static se.bjurr.gitchangelog.api.GitChangelogApi.gitChangelogApiBuilder;
 
 import java.io.File;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
@@ -151,6 +154,9 @@ public class GitChangelogMojo extends AbstractMojo {
   @Parameter(property = "javascriptHelper", required = false)
   private String javascriptHelper;
 
+  @Parameter(property = "handlebarsHelperFile", required = false)
+  private String handlebarsHelperFile;
+
   @Override
   public void execute() throws MojoExecutionException {
     if (this.skip != null && this.skip == true) {
@@ -169,6 +175,13 @@ public void execute() throws MojoExecutionException {
             .withHandlebarsHelper(this.javascriptHelper);
       }
 
+      if (this.isSupplied(this.handlebarsHelperFile)) {
+        final byte[] content = Files.readAllBytes(Paths.get(this.handlebarsHelperFile));
+        final String contentString = new String(content, StandardCharsets.UTF_8);
+        builder //
+            .withHandlebarsHelper(contentString);
+      }
+
       if (this.isSupplied(this.settingsFile)) {
         builder.withSettings(new File(this.settingsFile).toURI().toURL());
       }
@@ -192,10 +205,10 @@ public void execute() throws MojoExecutionException {
         builder.withTemplateContent(this.templateContent);
       }
       if (this.isSupplied(this.templateBaseDir)) {
-        builder.withTemplateBaseDir(templateBaseDir);
+        builder.withTemplateBaseDir(this.templateBaseDir);
       }
       if (this.isSupplied(this.templateSuffix)) {
-        builder.withTemplateSuffix(templateSuffix);
+        builder.withTemplateSuffix(this.templateSuffix);
       }
       if (this.isSupplied(this.fromCommit)) {
         builder.withFromCommit(this.fromCommit);