Fix message when building because of a clean state

apache · May 16, 2024 · 4a50804 · 4a50804
1 parent d79caa0
commit 4a50804
Showing 1 changed file with 19 additions and 1 deletion.
diff --git a/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java b/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java
@@ -933,6 +933,7 @@ public void execute() throws MojoExecutionException, CompilationFailureException
                 incrementalBuildHelperRequest = new IncrementalBuildHelperRequest().inputFiles(sources);
 
                 // Strategies used to detect modifications.
+                String cleanState = isCleanState(incrementalBuildHelper) ? "clean state" : null;
                 String immutableOutputFile = (compiler.getCompilerOutputStyle()
                                         .equals(CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES)
                                 && !canUpdateTarget)
@@ -945,7 +946,8 @@ public void execute() throws MojoExecutionException, CompilationFailureException
                         : null;
 
                 // Get the first cause for the rebuild compilation detection.
-                String cause = Stream.of(immutableOutputFile, dependencyChanged, sourceChanged, inputFileTreeChanged)
+                String cause = Stream.of(
+                                cleanState, immutableOutputFile, dependencyChanged, sourceChanged, inputFileTreeChanged)
                         .filter(Objects::nonNull)
                         .findFirst()
                         .orElse(null);
@@ -1591,6 +1593,22 @@ private static List<String> removeEmptyCompileSourceRoots(List<String> compileSo
         return newCompileSourceRootsList;
     }
 
+    /**
+     *
+     */
+    protected boolean isCleanState(IncrementalBuildHelper ibh) {
+        Path mojoConfigBase;
+        try {
+            mojoConfigBase = ibh.getMojoStatusDirectory().toPath();
+        } catch (MojoExecutionException e) {
+            // we cannot get the mojo status dir, so don't do anything beside logging
+            getLog().warn("Error reading mojo status directory.");
+            return false;
+        }
+        Path mojoConfigFile = mojoConfigBase.resolve(INPUT_FILES_LST_FILENAME);
+        return !Files.exists(mojoConfigFile);
+    }
+
     /**
      * We just compare the timestamps of all local dependency files (inter-module dependency classpath) and the own
      * generated classes and if we got a file which is &gt;= the build-started timestamp, then we caught a file which