feat: add version format placeholder for dirty flag

Author: qoomon

README.md

@@ -171,6 +171,10 @@ gitVersioning.apply {
     - The `HEAD` commit timestamp formatted as `yyyyMMdd.HHmmss`
     - e.g. '20190616.161442'
 
+- `${dirty}`
+    - A dirty flag indicator
+    - resolves to '-DIRTY' if repo is in dirty state, empty string otherwise
+
 - `Pattern Groups`
     - Contents of group in the regex pattern can be addressed by `group name` or `group index` e.g.
     - Named Group Example

build.gradle

@@ -12,7 +12,7 @@ plugins {
 }
 
 group 'me.qoomon'
-version '2.0.0'
+version '2.1.0'
 
 sourceCompatibility = JavaVersion.VERSION_1_8
 targetCompatibility = JavaVersion.VERSION_1_8
@@ -22,7 +22,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'me.qoomon:git-versioning:0.1.0'
+    implementation 'me.qoomon:git-versioning:0.2.0'
     implementation 'org.apache.maven:maven-artifact:3.6.0'
     implementation 'me.qoomon:unchecked-exceptions:1.0.0'
     implementation 'com.google.guava:guava:27.0.1-jre'

src/main/java/me/qoomon/gradle/gitversioning/GitVersioningPluginExtension.java

@@ -92,6 +92,7 @@ public void apply(GitVersioningPluginConfig config) {
             extraProperties.set("git.commit.timestamp.datetime", toTimestampDateTime(gitVersionDetails.getCommitTimestamp()));
             extraProperties.set("git.ref", gitVersionDetails.getCommitRefName());
             extraProperties.set("git." + gitVersionDetails.getCommitRefType(), gitVersionDetails.getCommitRefName());
+            extraProperties.set("git.dirty", Boolean.toString(!gitVersionDetails.isClean()));
         });
     }