fix #87: handle failure to find repo with warning message

HISTORY.md

@@ -1,9 +1,13 @@
 # Changes
 
+## 0.4.14
+
+* Print warning message if git repo not found (#87).
+
 ## 0.4.13
 
-* Support `%describe%` for git-describe results
+* Support `%describe%` for git-describe results.
 
 ## 0.4.11
 
-* Support `commitHashLength` 
+* Support `commitHashLength`.

README.md

@@ -13,7 +13,7 @@ Add `plugins` block to the top of your `app/build.gradle` (or equivalent):
 
 ```groovy
 plugins {
-    id 'com.gladed.androidgitversion' version '0.4.13'
+    id 'com.gladed.androidgitversion' version '0.4.14'
 }
 ```
 

src/main/groovy/com/gladed/androidgitversion/AndroidGitVersion.groovy

@@ -4,6 +4,7 @@ import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.diff.DiffEntry
 import org.eclipse.jgit.diff.DiffFormatter
 import org.eclipse.jgit.diff.RawTextComparator
+import org.eclipse.jgit.errors.RepositoryNotFoundException
 import org.eclipse.jgit.lib.Constants
 import org.eclipse.jgit.lib.ObjectId
 import org.eclipse.jgit.lib.Repository
@@ -17,6 +18,7 @@ import org.eclipse.jgit.util.io.DisabledOutputStream
 import org.gradle.api.GradleException
 import org.gradle.api.Plugin
 import org.gradle.api.Project
+import org.slf4j.LoggerFactory
 
 class AndroidGitVersion implements Plugin<Project> {
     void apply(Project project) {
@@ -200,8 +202,9 @@ class AndroidGitVersionExtension {
                     .readEnvironment()
                     .findGitDir(project.projectDir)
                     .build()
-        } catch (IllegalArgumentException ignore) {
-            // No repo found
+        } catch (IllegalArgumentException | RepositoryNotFoundException ignore) {
+            def logger = LoggerFactory.getLogger("androidGitVersion")
+            logger.warn("No git repository reachable from ${project.projectDir}")
             return results
         }
 

src/test/groovy/com/gladed/androidgitversion/AndroidGitVersionTest.groovy

@@ -26,7 +26,7 @@ abstract class AndroidGitVersionTest extends GroovyTestCase {
     }()
 
     Git git = {
-        return Git.init().setDirectory(projectFolder.root).call();
+        return Git.init().setDirectory(projectFolder.root).call()
     }()
 
     @Lazy

src/test/groovy/com/gladed/androidgitversion/MainTest.groovy

@@ -102,7 +102,6 @@ class MainTest extends AndroidGitVersionTest {
         assertEquals(1056555, plugin.code())
     }
 
-
     void testSubmodule() {
         // Set up a base repo
         addCommit()
@@ -121,17 +120,18 @@ class MainTest extends AndroidGitVersionTest {
             libraryGit.tag().setName("2.0").call()
 
             // Add the library repo to the base repo as a submodule
-            Repository libraryRepo = git.submoduleAdd()
+            git.submoduleAdd()
                     .setPath("library")
                     .setURI(libraryGit.getRepository().getDirectory().getCanonicalPath())
                     .call()
-            libraryRepo.close()
+                    .close()
 
             // Add the submodule as a subproject to the base project
             Project libraryProject = ProjectBuilder.builder()
                     .withProjectDir(new File(projectFolder.root, "library"))
                     .withParent(project)
                     .build()
+
             libraryProject.pluginManager.apply 'com.gladed.androidgitversion'
             AndroidGitVersionExtension libraryPlugin = (AndroidGitVersionExtension) libraryProject.getExtensions().getByName('androidGitVersion')