Issue 5 - add improved logging where git repository is not found.

build.gradle

@@ -5,7 +5,8 @@ plugins {
 }
 
 group 'org.jetbrains'
-version '0.5.4'
+
+version '0.5.5'
 
 repositories {
     mavenCentral()

src/main/java/io/wisetime/idea/branch/BranchNameFrameTitleBuilder.java

@@ -59,14 +59,18 @@ static void setDefaultBuilder(FrameTitleBuilder defaultBuilder) {
    * @return gitHeadFile if exists or null otherwise.
    */
   private VirtualFile watchThisProject(Project project) {
-    final Optional<VirtualFile> gitRepoRootDir = Stream.of(Optional.ofNullable(ProjectUtil.guessProjectDir(project)))
+    final VirtualFile guessedProjectDir = ProjectUtil.guessProjectDir(project);
+    final Optional<VirtualFile> gitRepoRootDir = Stream.of(Optional.ofNullable(guessedProjectDir))
         .filter(Optional::isPresent)
-        .map(projectDirOpt -> Optional.ofNullable(projectDirOpt.get().findChild(".git")))
+        .map(Optional::get)
+        .map(projectDir -> Optional.ofNullable(projectDir.findChild(".git")))
         .filter(Optional::isPresent)
         .map(Optional::get)
         .findFirst();
+
     if (!gitRepoRootDir.isPresent()) {
-      logger.debug("No git repository found");
+      final String logMsg = createLogMsg(guessedProjectDir);
+      logger.debug(logMsg);
       return null;
     }
 
@@ -77,6 +81,18 @@ private VirtualFile watchThisProject(Project project) {
     return file;
   }
 
+  @NotNull
+  static String createLogMsg(VirtualFile guessedProjectDir) {
+    StringBuilder msg = new StringBuilder("No git repository found in search path: [");
+    if (guessedProjectDir == null) {
+      msg.append("none");
+    } else {
+      msg.append(guessedProjectDir.getPath());
+    }
+    msg.append("]");
+    return msg.toString();
+  }
+
   private VirtualFile findGitHeadFile(VirtualFile gitParentDir, Project project) {
     VirtualFile gitHeadSymRefFile = gitParentDir.findChild("HEAD");
     if (gitHeadSymRefFile != null) {

src/main/resources/META-INF/plugin.xml

@@ -1,7 +1,7 @@
 <idea-plugin>
     <id>io.wisetime.plugins.window.branch</id>
     <name>Branch in Window Title</name>
-    <version>0.5.4</version>
+    <version>0.5.5</version>
     <vendor>Thomas Haines</vendor>
 
     <description><![CDATA[
@@ -11,14 +11,15 @@
     ]]></description>
 
     <change-notes><![CDATA[
+      Version 0.5.5 - Improve logging output in event no git repository is located in project.
       Version 0.5.4 - Fix regression from api change in IntelliJ 2019.4+
       Version 0.5.3 - Added git worktrees support.
       Version 0.5.2 - Improved description and docs.
       Version 0.5.0 - Initial release.
     ]]>
     </change-notes>
 
-    <idea-version since-build="171.0"/>
+    <idea-version since-build="172.2103.15"/>
 
     <depends>com.intellij.modules.lang</depends>
 

src/test/java/io/wisetime/idea/branch/BranchNameFrameTitleBuilderTest.java

@@ -0,0 +1,26 @@
+package io.wisetime.idea.branch;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+import com.intellij.openapi.vfs.VirtualFile;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+/**
+ * @author thomas.haines
+ */
+public class BranchNameFrameTitleBuilderTest {
+
+  @Test
+  public void testLogMsgCreate() {
+    final VirtualFile virtualFile = Mockito.mock(VirtualFile.class);
+    final String pathInfo = "/some/path";
+    when(virtualFile.getPath())
+        .thenReturn(pathInfo);
+
+    assertThat(BranchNameFrameTitleBuilder.createLogMsg(virtualFile))
+        .contains(pathInfo);
+  }
+
+}