SONARCLOUD-633 Fix analysis of projects using 'sonar.branch'

sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/filesystem/InputComponentStore.java

   private final Map<String, InputFile> globalInputFileCache = new HashMap<>();
   private final Table<String, String, InputFile> inputFileByModuleCache = TreeBasedTable.create();
   private final Map<InputFile, String> inputModuleKeyByFileCache = new HashMap<>();
-  // indexed by key with branch
   private final Map<String, DefaultInputModule> inputModuleCache = new HashMap<>();
   private final Map<String, InputComponent> inputComponents = new HashMap<>();
   private final SetMultimap<String, InputFile> filesByNameCache = LinkedHashMultimap.create();
     return globalInputFileCache.get(relativePath);
   }
 
-  @CheckForNull
-  public DefaultInputModule getModule(String moduleKeyWithBranch) {
-    return inputModuleCache.get(moduleKeyWithBranch);
-  }
-
   public DefaultInputModule findModule(DefaultInputFile file) {
-    return Optional.ofNullable(inputModuleKeyByFileCache.get(file)).map(this::getModule)
+    return Optional.ofNullable(inputModuleKeyByFileCache.get(file)).map(inputModuleCache::get)
       .orElseThrow(() -> new IllegalStateException("No modules for file '" + file.toString() + "'"));
   }
 
   public void put(DefaultInputModule inputModule) {
     String key = inputModule.key();
-    String keyWithBranch = inputModule.getKeyWithBranch();
     Preconditions.checkNotNull(inputModule);
     Preconditions.checkState(!inputComponents.containsKey(key), "Module '%s' already indexed", key);
-    Preconditions.checkState(!inputModuleCache.containsKey(keyWithBranch), "Module '%s' already indexed", keyWithBranch);
+    Preconditions.checkState(!inputModuleCache.containsKey(key), "Module '%s' already indexed", key);
     inputComponents.put(key, inputModule);
-    inputModuleCache.put(keyWithBranch, inputModule);
+    inputModuleCache.put(key, inputModule);
   }
 
   @Override

sonar-scanner-engine/src/test/java/org/sonar/scanner/mediumtest/scm/ScmMediumTest.java

 
     File baseDir = prepareProject();
     File xooFileWithoutBlame = new File(baseDir, "src/sample_no_blame.xoo");
-    FileUtils.write(xooFileWithoutBlame, "Sample xoo\ncontent\n3\n4\n5");
+    FileUtils.write(xooFileWithoutBlame, "Sample xoo\ncontent\n3\n4\n5", StandardCharsets.UTF_8);
 
     tester.newAnalysis()
       .properties(ImmutableMap.<String, String>builder()
 
     File baseDir = prepareProject();
     File changedContentScmOnServer = new File(baseDir, CHANGED_CONTENT_SCM_ON_SERVER_XOO);
-    FileUtils.write(changedContentScmOnServer, SAMPLE_XOO_CONTENT + "\nchanged");
+    FileUtils.write(changedContentScmOnServer, SAMPLE_XOO_CONTENT + "\nchanged", StandardCharsets.UTF_8);
     File xooScmFile = new File(baseDir, CHANGED_CONTENT_SCM_ON_SERVER_XOO + ".scm");
     FileUtils.write(xooScmFile,
       // revision,author,dateTime
       "1,foo,2013-01-04\n" +
         "1,bar,2013-01-04\n" +
-        "2,biz,2014-01-04\n");
+        "2,biz,2014-01-04\n", StandardCharsets.UTF_8);
 
     File sameContentScmOnServer = new File(baseDir, SAME_CONTENT_SCM_ON_SERVER_XOO);
-    FileUtils.write(sameContentScmOnServer, SAMPLE_XOO_CONTENT);
+    FileUtils.write(sameContentScmOnServer, SAMPLE_XOO_CONTENT, StandardCharsets.UTF_8);
     // No need to write .scm file since this file should not be blamed
 
     File noBlameScmOnServer = new File(baseDir, NO_BLAME_SCM_ON_SERVER_XOO);
-    FileUtils.write(noBlameScmOnServer, SAMPLE_XOO_CONTENT + "\nchanged");
+    FileUtils.write(noBlameScmOnServer, SAMPLE_XOO_CONTENT + "\nchanged", StandardCharsets.UTF_8);
     // No .scm file to emulate a failure during blame
 
     File sameContentNoScmOnServer = new File(baseDir, SAME_CONTENT_NO_SCM_ON_SERVER_XOO);
-    FileUtils.write(sameContentNoScmOnServer, SAMPLE_XOO_CONTENT);
+    FileUtils.write(sameContentNoScmOnServer, SAMPLE_XOO_CONTENT, StandardCharsets.UTF_8);
     xooScmFile = new File(baseDir, SAME_CONTENT_NO_SCM_ON_SERVER_XOO + ".scm");
     FileUtils.write(xooScmFile,
       // revision,author,dateTime
       "1,foo,2013-01-04\n" +
-        "1,bar,2013-01-04\n");
+        "1,bar,2013-01-04\n", StandardCharsets.UTF_8);
 
     tester.newAnalysis()
       .properties(ImmutableMap.<String, String>builder()
     assertThat(logTester.logs()).containsSubsequence(MISSING_BLAME_INFORMATION_FOR_THE_FOLLOWING_FILES, "  * src/no_blame_scm_on_server.xoo");
   }
 
+  @Test
+  public void optimize_blame_for_deprecated_branch() throws IOException, URISyntaxException {
+
+    File baseDir = prepareProject();
+    File changedContentScmOnServer = new File(baseDir, CHANGED_CONTENT_SCM_ON_SERVER_XOO);
+    FileUtils.write(changedContentScmOnServer, SAMPLE_XOO_CONTENT + "\nchanged", StandardCharsets.UTF_8);
+    File xooScmFile = new File(baseDir, CHANGED_CONTENT_SCM_ON_SERVER_XOO + ".scm");
+    FileUtils.write(xooScmFile,
+      // revision,author,dateTime
+      "1,foo,2013-01-04\n" +
+        "1,bar,2013-01-04\n" +
+        "2,biz,2014-01-04\n", StandardCharsets.UTF_8);
+
+    File sameContentScmOnServer = new File(baseDir, SAME_CONTENT_SCM_ON_SERVER_XOO);
+    FileUtils.write(sameContentScmOnServer, SAMPLE_XOO_CONTENT, StandardCharsets.UTF_8);
+    // No need to write .scm file since this file should not be blamed
+
+    File noBlameScmOnServer = new File(baseDir, NO_BLAME_SCM_ON_SERVER_XOO);
+    FileUtils.write(noBlameScmOnServer, SAMPLE_XOO_CONTENT + "\nchanged", StandardCharsets.UTF_8);
+    // No .scm file to emulate a failure during blame
+
+    File sameContentNoScmOnServer = new File(baseDir, SAME_CONTENT_NO_SCM_ON_SERVER_XOO);
+    FileUtils.write(sameContentNoScmOnServer, SAMPLE_XOO_CONTENT, StandardCharsets.UTF_8);
+    xooScmFile = new File(baseDir, SAME_CONTENT_NO_SCM_ON_SERVER_XOO + ".scm");
+    FileUtils.write(xooScmFile,
+      // revision,author,dateTime
+      "1,foo,2013-01-04\n" +
+        "1,bar,2013-01-04\n", StandardCharsets.UTF_8);
+
+    tester.newAnalysis()
+      .properties(ImmutableMap.<String, String>builder()
+        .put("sonar.projectBaseDir", baseDir.getAbsolutePath())
+        .put("sonar.projectKey", "com.foo.project")
+        .put("sonar.branch", "mybranch")
+        .put("sonar.sources", "src")
+        .put("sonar.scm.provider", "xoo")
+        .build())
+      .execute();
+
+    assertThat(getChangesets(baseDir, "src/sample.xoo")).isNotNull();
+
+    assertThat(getChangesets(baseDir, CHANGED_CONTENT_SCM_ON_SERVER_XOO).getCopyFromPrevious()).isFalse();
+
+    assertThat(getChangesets(baseDir, SAME_CONTENT_SCM_ON_SERVER_XOO).getCopyFromPrevious()).isTrue();
+
+    assertThat(getChangesets(baseDir, SAME_CONTENT_NO_SCM_ON_SERVER_XOO).getCopyFromPrevious()).isFalse();
+
+    assertThat(getChangesets(baseDir, NO_BLAME_SCM_ON_SERVER_XOO)).isNull();
+
+    // 5 .xoo files + 3 .scm files, but only 4 marked for publishing. 1 file is SAME so not included in the total
+    assertThat(logTester.logs()).containsSubsequence("8 files indexed");
+    assertThat(logTester.logs()).containsSubsequence("4 files to be analyzed", "3/4 files analyzed");
+    assertThat(logTester.logs()).containsSubsequence(MISSING_BLAME_INFORMATION_FOR_THE_FOLLOWING_FILES, "  * src/no_blame_scm_on_server.xoo");
+  }
+
   @Test
   public void forceReload() throws IOException, URISyntaxException {
 
     File baseDir = prepareProject();
     File xooFileNoScm = new File(baseDir, SAME_CONTENT_SCM_ON_SERVER_XOO);
-    FileUtils.write(xooFileNoScm, SAMPLE_XOO_CONTENT);
+    FileUtils.write(xooFileNoScm, SAMPLE_XOO_CONTENT, StandardCharsets.UTF_8);
     File xooScmFile = new File(baseDir, SAME_CONTENT_SCM_ON_SERVER_XOO + ".scm");
     FileUtils.write(xooScmFile,
       // revision,author,dateTime
       "1,foo,2013-01-04\n" +
-        "1,bar,2013-01-04\n");
+        "1,bar,2013-01-04\n", StandardCharsets.UTF_8);
 
     AnalysisBuilder analysisBuilder = tester.newAnalysis()
       .properties(ImmutableMap.<String, String>builder()
-        .put("sonar.task", "scan")
         .put("sonar.projectBaseDir", baseDir.getAbsolutePath())
         .put("sonar.projectKey", "com.foo.project")
-        .put("sonar.projectName", "Foo Project")
-        .put("sonar.projectVersion", "1.0-SNAPSHOT")
-        .put("sonar.projectDescription", "Description of Foo Project")
         .put("sonar.sources", "src")
         .put("sonar.scm.provider", "xoo")
         // Force reload
 
     tester.newAnalysis()
       .properties(ImmutableMap.<String, String>builder()
-        .put("sonar.task", "scan")
         .put("sonar.projectBaseDir", baseDir.getAbsolutePath())
         .put("sonar.projectKey", "com.foo.project")
-        .put("sonar.projectName", "Foo Project")
-        .put("sonar.projectVersion", "1.0-SNAPSHOT")
-        .put("sonar.projectDescription", "Description of Foo Project")
         .put("sonar.sources", "src")
         .put("sonar.links.scm_dev", "scm:xoo:foobar")
         .build())
 
     tester.newAnalysis()
       .properties(ImmutableMap.<String, String>builder()
-        .put("sonar.task", "scan")
         .put("sonar.projectBaseDir", baseDir.getAbsolutePath())
         .put("sonar.projectKey", "com.foo.project")
-        .put("sonar.projectName", "Foo Project")
-        .put("sonar.projectVersion", "1.0-SNAPSHOT")
-        .put("sonar.projectDescription", "Description of Foo Project")
         .put("sonar.sources", "src")
         .build())
       .execute();
     srcDir.mkdir();
 
     File xooFile1 = new File(srcDir, "sample.xoo");
-    FileUtils.write(xooFile1, "Sample xoo\ncontent\n3\n4\n5");
+    FileUtils.write(xooFile1, "Sample xoo\ncontent\n3\n4\n5", StandardCharsets.UTF_8);
     File xooScmFile1 = new File(srcDir, "sample.xoo.scm");
     FileUtils.write(xooScmFile1,
       // revision,author,dateTime
 
     tester.newAnalysis()
       .properties(ImmutableMap.<String, String>builder()
-        .put("sonar.task", "scan")
         .put("sonar.projectBaseDir", baseDir.getAbsolutePath())
         .put("sonar.projectKey", "com.foo.project")
-        .put("sonar.projectName", "Foo Project")
-        .put("sonar.projectVersion", "1.0-SNAPSHOT")
-        .put("sonar.projectDescription", "Description of Foo Project")
         .put("sonar.sources", "src")
         .put("sonar.scm.disabled", "true")
         .put("sonar.scm.provider", "xoo")