Implement inline strategy

scm-webapp/src/main/java/sonia/scm/repository/update/BaseMigrationStrategy.java

@@ -0,0 +1,60 @@
+package sonia.scm.repository.update;
+
+import sonia.scm.SCMContextProvider;
+import sonia.scm.migration.UpdateException;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.stream.Stream;
+
+abstract class BaseMigrationStrategy implements MigrationStrategy.Instance {
+
+  private final SCMContextProvider contextProvider;
+
+  BaseMigrationStrategy(SCMContextProvider contextProvider) {
+    this.contextProvider = contextProvider;
+  }
+
+  Path getSourceDataPath(String name, String type) {
+    return Arrays.stream(name.split("/"))
+      .reduce(getTypeDependentPath(type), (path, namePart) -> path.resolve(namePart), (p1, p2) -> p1);
+  }
+
+  Path getTypeDependentPath(String type) {
+    return contextProvider.getBaseDirectory().toPath().resolve("repositories").resolve(type);
+  }
+
+  Stream<Path> listSourceDirectory(Path sourceDirectory) {
+    try {
+      return Files.list(sourceDirectory);
+    } catch (IOException e) {
+      throw new UpdateException("could not read original directory", e);
+    }
+  }
+
+  void createDataDirectory(Path target) {
+    try {
+      Files.createDirectories(target);
+    } catch (IOException e) {
+      throw new UpdateException("could not create data directory " + target, e);
+    }
+  }
+
+  void moveFile(Path sourceFile, Path targetFile) {
+    try {
+      Files.move(sourceFile, targetFile);
+    } catch (IOException e) {
+      throw new UpdateException("could not move data file from " + sourceFile + " to " + targetFile, e);
+    }
+  }
+
+  void copyFile(Path sourceFile, Path targetFile) {
+    try {
+      Files.copy(sourceFile, targetFile);
+    } catch (IOException e) {
+      throw new UpdateException("could not copy original file from " + sourceFile + " to " + targetFile, e);
+    }
+  }
+}

scm-webapp/src/main/java/sonia/scm/repository/update/CopyMigrationStrategy.java

@@ -1,25 +1,20 @@
 package sonia.scm.repository.update;
 
 import sonia.scm.SCMContextProvider;
-import sonia.scm.migration.UpdateException;
 import sonia.scm.repository.AbstractSimpleRepositoryHandler;
 import sonia.scm.repository.RepositoryLocationResolver;
 
 import javax.inject.Inject;
-import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Arrays;
-import java.util.stream.Stream;
 
-class CopyMigrationStrategy implements MigrationStrategy.Instance {
+class CopyMigrationStrategy extends BaseMigrationStrategy {
 
-  private final SCMContextProvider contextProvider;
   private final RepositoryLocationResolver locationResolver;
 
   @Inject
   public CopyMigrationStrategy(SCMContextProvider contextProvider, RepositoryLocationResolver locationResolver) {
-    this.contextProvider = contextProvider;
+    super(contextProvider);
     this.locationResolver = locationResolver;
   }
 
@@ -33,19 +28,9 @@ class CopyMigrationStrategy implements MigrationStrategy.Instance {
     return repositoryBasePath;
   }
 
-  private Path getSourceDataPath(String name, String type) {
-    return Arrays.stream(name.split("/"))
-      .reduce(getTypeDependentPath(type), (path, namePart) -> path.resolve(namePart), (p1, p2) -> p1);
-  }
-
-  private Path getTypeDependentPath(String type) {
-    return contextProvider.getBaseDirectory().toPath().resolve("repositories").resolve(type);
-  }
-
   private void copyData(Path sourceDirectory, Path targetDirectory) {
     createDataDirectory(targetDirectory);
-    Stream<Path> list = listSourceDirectory(sourceDirectory);
-    list.forEach(
+    listSourceDirectory(sourceDirectory).forEach(
       sourceFile -> {
         Path targetFile = targetDirectory.resolve(sourceFile.getFileName());
         if (Files.isDirectory(sourceFile)) {
@@ -56,28 +41,4 @@ class CopyMigrationStrategy implements MigrationStrategy.Instance {
       }
     );
   }
-
-  private Stream<Path> listSourceDirectory(Path sourceDirectory) {
-    try {
-      return Files.list(sourceDirectory);
-    } catch (IOException e) {
-      throw new UpdateException("could not read original directory", e);
-    }
-  }
-
-  private void copyFile(Path sourceFile, Path targetFile) {
-    try {
-      Files.copy(sourceFile, targetFile);
-    } catch (IOException e) {
-      throw new UpdateException("could not copy original file from " + sourceFile + " to " + targetFile, e);
-    }
-  }
-
-  private void createDataDirectory(Path target) {
-    try {
-      Files.createDirectories(target);
-    } catch (IOException e) {
-      throw new UpdateException("could not create data directory " + target, e);
-    }
-  }
 }

scm-webapp/src/main/java/sonia/scm/repository/update/InlineMigrationStrategy.java

@@ -1,21 +1,42 @@
 package sonia.scm.repository.update;
 
 import sonia.scm.SCMContextProvider;
+import sonia.scm.repository.AbstractSimpleRepositoryHandler;
 
 import javax.inject.Inject;
+import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
 
-class InlineMigrationStrategy implements MigrationStrategy.Instance {
-
-  private final SCMContextProvider contextProvider;
+class InlineMigrationStrategy extends BaseMigrationStrategy {
 
   @Inject
   public InlineMigrationStrategy(SCMContextProvider contextProvider) {
-    this.contextProvider = contextProvider;
+    super(contextProvider);
   }
 
   @Override
   public Path migrate(String id, String name, String type) {
-    return null;
+    Path repositoryBasePath = getSourceDataPath(name, type);
+    Path targetDataPath = repositoryBasePath
+      .resolve(AbstractSimpleRepositoryHandler.REPOSITORIES_NATIVE_DIRECTORY);
+    moveData(repositoryBasePath, targetDataPath);
+    return repositoryBasePath;
+  }
+
+  private void moveData(Path sourceDirectory, Path targetDirectory) {
+    createDataDirectory(targetDirectory);
+    listSourceDirectory(sourceDirectory)
+      .filter(sourceFile -> !targetDirectory.equals(sourceFile))
+      .forEach(
+        sourceFile -> {
+          Path targetFile = targetDirectory.resolve(sourceFile.getFileName());
+          if (Files.isDirectory(sourceFile)) {
+            moveData(sourceFile, targetFile);
+          } else {
+            moveFile(sourceFile, targetFile);
+          }
+        }
+      );
   }
 }

scm-webapp/src/main/java/sonia/scm/repository/update/MoveMigrationStrategy.java

@@ -3,7 +3,6 @@ package sonia.scm.repository.update;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import sonia.scm.SCMContextProvider;
-import sonia.scm.migration.UpdateException;
 import sonia.scm.repository.AbstractSimpleRepositoryHandler;
 import sonia.scm.repository.RepositoryLocationResolver;
 
@@ -11,22 +10,19 @@ import javax.inject.Inject;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Arrays;
 import java.util.List;
-import java.util.stream.Stream;
 
 import static java.util.Arrays.asList;
 
-class MoveMigrationStrategy implements MigrationStrategy.Instance {
+class MoveMigrationStrategy extends BaseMigrationStrategy {
 
   private static final Logger LOG = LoggerFactory.getLogger(MoveMigrationStrategy.class);
 
-  private final SCMContextProvider contextProvider;
   private final RepositoryLocationResolver locationResolver;
 
   @Inject
   public MoveMigrationStrategy(SCMContextProvider contextProvider, RepositoryLocationResolver locationResolver) {
-    this.contextProvider = contextProvider;
+    super(contextProvider);
     this.locationResolver = locationResolver;
   }
 
@@ -58,19 +54,9 @@ class MoveMigrationStrategy implements MigrationStrategy.Instance {
     }
   }
 
-  private Path getSourceDataPath(String name, String type) {
-    return Arrays.stream(name.split("/"))
-      .reduce(getTypeDependentPath(type), (path, namePart) -> path.resolve(namePart), (p1, p2) -> p1);
-  }
-
-  private Path getTypeDependentPath(String type) {
-    return contextProvider.getBaseDirectory().toPath().resolve("repositories").resolve(type);
-  }
-
   private void moveData(Path sourceDirectory, Path targetDirectory) {
     createDataDirectory(targetDirectory);
-    Stream<Path> list = listSourceDirectory(sourceDirectory);
-    list.forEach(
+    listSourceDirectory(sourceDirectory).forEach(
       sourceFile -> {
         Path targetFile = targetDirectory.resolve(sourceFile.getFileName());
         if (Files.isDirectory(sourceFile)) {
@@ -86,28 +72,4 @@ class MoveMigrationStrategy implements MigrationStrategy.Instance {
       LOG.warn("could not delete source repository directory {}", sourceDirectory);
     }
   }
-
-  private Stream<Path> listSourceDirectory(Path sourceDirectory) {
-    try {
-      return Files.list(sourceDirectory);
-    } catch (IOException e) {
-      throw new UpdateException("could not read original directory", e);
-    }
-  }
-
-  private void moveFile(Path sourceFile, Path targetFile) {
-    try {
-      Files.move(sourceFile, targetFile);
-    } catch (IOException e) {
-      throw new UpdateException("could not move data file from " + sourceFile + " to " + targetFile, e);
-    }
-  }
-
-  private void createDataDirectory(Path target) {
-    try {
-      Files.createDirectories(target);
-    } catch (IOException e) {
-      throw new UpdateException("could not create data directory " + target, e);
-    }
-  }
 }

scm-webapp/src/test/java/sonia/scm/repository/update/InlineMigrationStrategyTest.java

@@ -0,0 +1,49 @@
+package sonia.scm.repository.update;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junitpioneer.jupiter.TempDirectory;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.SCMContextProvider;
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(TempDirectory.class)
+@ExtendWith(MockitoExtension.class)
+class InlineMigrationStrategyTest {
+
+  @Mock
+  SCMContextProvider contextProvider;
+
+  @BeforeEach
+  void mockContextProvider(@TempDirectory.TempDir Path tempDir) {
+    when(contextProvider.getBaseDirectory()).thenReturn(tempDir.toFile());
+  }
+
+  @BeforeEach
+  void createV1Home(@TempDirectory.TempDir Path tempDir) throws IOException {
+    V1RepositoryFileSystem.createV1Home(tempDir);
+  }
+
+  @Test
+  void shouldUseExistingDirectory(@TempDirectory.TempDir Path tempDir) {
+    Path target = new InlineMigrationStrategy(contextProvider).migrate("b4f-a9f0-49f7-ad1f-37d3aae1c55f", "some/more/directories/than/one", "git");
+    assertThat(target).isEqualTo(resolveOldDirectory(tempDir));
+  }
+
+  @Test
+  void shouldMoveDataDirectory(@TempDirectory.TempDir Path tempDir) {
+    new InlineMigrationStrategy(contextProvider).migrate("b4f-a9f0-49f7-ad1f-37d3aae1c55f", "some/more/directories/than/one", "git");
+    assertThat(resolveOldDirectory(tempDir).resolve("data")).exists();
+  }
+
+  private Path resolveOldDirectory(Path tempDir) {
+    return tempDir.resolve("repositories").resolve("git").resolve("some").resolve("more").resolve("directories").resolve("than").resolve("one");
+  }
+}