First check file is already absolute before use basepath

Currently the basepath is always used to resolve the local repository or
settings files but this is wrong if the path is already absoloute.

Fix #1695

Signed-off-by: Christoph Läubrich <[email protected]>

org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/embedder/MavenExecutionContext.java

@@ -264,9 +264,13 @@ private static File getLocalRepositoryPath(Settings settings, File multiModulePr
     if(localRepositoryPath == null) {
       return RepositorySystem.defaultUserLocalRepository;
     }
-      //Actually maven would resolve these against the current working directory, 
-      //as we have no such thing available the best we can use here is the root folder of the multimodule directory
-      return new File(multiModuleProjectDirectory, localRepositoryPath).getAbsoluteFile();
+    File configuredPath = new File(localRepositoryPath);
+    if(configuredPath.isAbsolute()) {
+      return configuredPath;
+    }
+    //Actually maven would resolve these against the current working directory, 
+    //as we have no such thing available the best we can use here is the root folder of the multimodule directory
+    return new File(multiModuleProjectDirectory, localRepositoryPath).getAbsoluteFile();
   }
 
   @Override

org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/embedder/MavenProperties.java

@@ -336,12 +336,22 @@ public MavenSettingsLocations getSettingsLocations(IMavenConfiguration configura
     if(alternateGlobalSettingsFile == null) {
       global = configurationLocations.globalSettings();
     } else {
-      global = new File(baseDir, alternateGlobalSettingsFile);
+      File gs = new File(alternateGlobalSettingsFile);
+      if(gs.isAbsolute()) {
+        global = gs;
+      } else {
+        global = new File(baseDir, alternateGlobalSettingsFile);
+      }
     }
     if(alternateUserSettingsFile == null) {
       user = configurationLocations.userSettings();
     } else {
-      user = new File(baseDir, alternateUserSettingsFile);
+      File s = new File(alternateUserSettingsFile);
+      if(s.isAbsolute()) {
+        user = s;
+      } else {
+        user = new File(baseDir, alternateUserSettingsFile);
+      }
     }
     return new MavenSettingsLocations(global, user);
   }