introduction of a changelog file

using git-changelog-gradle-plugin, a CHANGELOG.md file can now be
generated. Entering `gradle changelog` will update/generate the project
changelog file.

fixes #8

.gitignore

@@ -4,3 +4,4 @@ build
 .project
 .gradle/
 .settings/
+.okhttpcache/

CHANGELOG.md

@@ -0,0 +1,93 @@
+# jgitver gradle plugin
+
+Changelog of [jgitver gradle plugin](https://github.com/jgitver/gradle-jgitver-plugin)
+
+## 0.3.0
+### GitHub [#5](https://github.com/jgitver/gradle-jgitver-plugin/issues/5) update to jgitver 0.4.0
+
+**update jgitver dependency to 0.4.0**
+
+ * fixes #5
+
+[164de0ec141e564](https://github.com/jgitver/gradle-jgitver-plugin/commit/164de0ec141e564) Matthieu Brouillard *2017-09-14 09:11:24*
+
+
+### GitHub [#6](https://github.com/jgitver/gradle-jgitver-plugin/issues/6) expose jgitver metadatas
+
+**expose jgitver metadatas as project extension properties**
+
+ * jgitver metadatas are accessible using the syntax 'project.ext.metadata' where metadata is a jgitver metadata name in lowercase
+ * for example 'project.ext.git_sha1_full'
+ * fixes #6
+
+[e5fc7fe1c857001](https://github.com/jgitver/gradle-jgitver-plugin/commit/e5fc7fe1c857001) Matthieu Brouillard *2017-09-14 09:11:27*
+
+
+### No issue
+
+**update gradle version to 2.14.1**
+
+
+[8f79de66c95add9](https://github.com/jgitver/gradle-jgitver-plugin/commit/8f79de66c95add9) Matthieu Brouillard *2017-09-14 09:11:26*
+
+**switch to gradle-jgitver-plugin 0.2.0**
+
+
+[6ea13e08703bcda](https://github.com/jgitver/gradle-jgitver-plugin/commit/6ea13e08703bcda) Matthieu Brouillard *2016-06-06 08:32:18*
+
+
+## 0.2.0
+### GitHub [#2](https://github.com/jgitver/gradle-jgitver-plugin/issues/2) expose configuration to control jgitver
+
+**allow plugin configuration, closes #2**
+
+
+[8555d675ea8d762](https://github.com/jgitver/gradle-jgitver-plugin/commit/8555d675ea8d762) Matthieu Brouillard *2016-06-03 13:16:33*
+
+
+## 0.1.0
+### GitHub [#1](https://github.com/jgitver/gradle-jgitver-plugin/issues/1) use gradle-jgitver-plugin inside gradle-jgitver-plugin
+
+**use the plugin to build the plugin itself, closes #1**
+
+
+[7c6a927daa050db](https://github.com/jgitver/gradle-jgitver-plugin/commit/7c6a927daa050db) Matthieu Brouillard *2016-04-27 15:09:50*
+
+
+### No issue
+
+**enhance release paragraph in README**
+
+
+[2a762587653078e](https://github.com/jgitver/gradle-jgitver-plugin/commit/2a762587653078e) Matthieu Brouillard *2016-05-13 20:42:15*
+
+**add a show version task to build.gradle & to README**
+
+
+[c5c56f45f47ddeb](https://github.com/jgitver/gradle-jgitver-plugin/commit/c5c56f45f47ddeb) Matthieu Brouillard *2016-05-13 20:37:23*
+
+**enhance readme with gradle 2.1 syntax**
+
+
+[82d48a1f9709e01](https://github.com/jgitver/gradle-jgitver-plugin/commit/82d48a1f9709e01) Matthieu Brouillard *2016-05-13 20:32:28*
+
+**move to jgitver 0.1.0, enhance documentation**
+
+
+[8122019f4631244](https://github.com/jgitver/gradle-jgitver-plugin/commit/8122019f4631244) Matthieu Brouillard *2016-05-13 20:25:39*
+
+**enhance README with an example from jgitver**
+
+
+[3bf9763f805dc97](https://github.com/jgitver/gradle-jgitver-plugin/commit/3bf9763f805dc97) Matthieu Brouillard *2016-04-27 15:15:49*
+
+
+## v0.0.1
+### No issue
+
+**prepare for release 0.0.1**
+
+
+[edf1a99ce0ca183](https://github.com/jgitver/gradle-jgitver-plugin/commit/edf1a99ce0ca183) Matthieu Brouillard *2016-04-27 14:57:13*
+
+

build.gradle

@@ -1,10 +1,22 @@
+buildscript {
+    repositories {
+        maven {
+            url "https://plugins.gradle.org/m2/"
+        }
+    }
+    dependencies {
+        classpath "gradle.plugin.se.bjurr.gitchangelog:git-changelog-gradle-plugin:1.50"
+    }
+}
+
 plugins {
     id "com.gradle.plugin-publish" version "0.9.4"
     id "fr.brouillard.oss.gradle.jgitver" version "0.2.0"
 }
 
 apply plugin: 'java'
 apply plugin: 'maven'       // for local tests
+apply plugin: 'se.bjurr.gitchangelog.git-changelog-gradle-plugin'
 
 group = 'fr.brouillard.oss.gradle'
 
@@ -29,5 +41,9 @@ pluginBundle {
 
 dependencies {
     compile gradleApi()
-    compile 'fr.brouillard.oss:jgitver:0.4.0'
+    compile "fr.brouillard.oss:jgitver:0.4.0"
 }
+
+task changelog(type: se.bjurr.gitchangelog.plugin.gradle.GitChangelogTask) {
+    file = new File("CHANGELOG.md");
+}

changelog.mustache

@@ -0,0 +1,32 @@
+# jgitver gradle plugin
+
+Changelog of [jgitver gradle plugin](https://github.com/jgitver/gradle-jgitver-plugin)
+
+{{#tags}}
+## {{name}}
+ {{#issues}}
+  {{#hasIssue}}
+   {{#hasLink}}
+### {{name}} [{{issue}}]({{link}}) {{title}}
+   {{/hasLink}}
+   {{^hasLink}}
+### {{name}} {{issue}} {{title}}
+   {{/hasLink}}
+  {{/hasIssue}}
+  {{^hasIssue}}
+### {{name}}
+  {{/hasIssue}}
+
+  {{#commits}}
+**{{{messageTitle}}}**
+
+{{#messageBodyItems}}
+ * {{.}}
+{{/messageBodyItems}}
+
+[{{hash}}](https://github.com/jgitver/gradle-jgitver-plugin/commit/{{hash}}) {{authorName}} *{{commitTime}}*
+
+  {{/commits}}
+
+ {{/issues}}
+{{/tags}}