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Git import and export (#1507)

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* create git bundle command

* create git unbundle command

* Apply suggestions from code review

Co-authored-by: René Pfeuffer <rene.pfeuffer@cloudogu.com>
This commit is contained in:
Eduard Heimbuch
2021-01-28 12:35:18 +01:00
committed by GitHub
parent 734ab40d7e
commit 0046c78b40
11 changed files with 489 additions and 57 deletions
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61
scm-webapp/src/main/java/sonia/scm/api/v2/resources/RepositoryExportResource.java
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@@ -38,6 +38,7 @@ import sonia.scm.repository.NamespaceAndName;
import sonia.scm.repository.Repository;
import sonia.scm.repository.RepositoryManager;
import sonia.scm.repository.RepositoryPermissions;
import sonia.scm.repository.api.BundleCommandBuilder;
import sonia.scm.repository.api.Command;
import sonia.scm.repository.api.RepositoryService;
import sonia.scm.repository.api.RepositoryServiceFactory;
@@ -183,39 +184,53 @@ public class RepositoryExportResource {
}
private Response exportRepository(Repository repository, boolean compressed) {
StreamingOutput output = os -> {
try (RepositoryService service = serviceFactory.create(repository)) {
if (compressed) {
GzipCompressorOutputStream gzipCompressorOutputStream = new GzipCompressorOutputStream(os);
service.getBundleCommand().bundle(gzipCompressorOutputStream);
gzipCompressorOutputStream.finish();
} else {
service.getBundleCommand().bundle(os);
StreamingOutput output;
String fileExtension;
try (final RepositoryService service = serviceFactory.create(repository)) {
BundleCommandBuilder bundleCommand = service.getBundleCommand();
fileExtension = resolveFileExtension(bundleCommand, compressed);
output = os -> {
try {
if (compressed) {
GzipCompressorOutputStream gzipCompressorOutputStream = new GzipCompressorOutputStream(os);
bundleCommand.bundle(gzipCompressorOutputStream);
gzipCompressorOutputStream.finish();
} else {
bundleCommand.bundle(os);
}
} catch (IOException e) {
throw new InternalRepositoryException(repository, "repository export failed", e);
}
} catch (IOException e) {
throw new InternalRepositoryException(repository, "repository export failed", e);
}
};
};
}
return createResponse(repository, compressed, output);
return createResponse(repository, fileExtension, compressed, output);
}
private Response createResponse(Repository repository, boolean compressed, StreamingOutput output) {
private Response createResponse(Repository repository, String fileExtension, boolean compressed, StreamingOutput output) {
return Response
.ok(output, compressed ? "application/x-gzip" : MediaType.APPLICATION_OCTET_STREAM)
.header("content-disposition", createContentDispositionHeaderValue(repository, compressed ? "dump.gz" : "dump"))
.header("content-disposition", createContentDispositionHeaderValue(repository, fileExtension))
.build();
}
private String createContentDispositionHeaderValue(Repository repository, String filetype) {
private String resolveFileExtension(BundleCommandBuilder bundleCommand, boolean compressed) {
if (compressed) {
return bundleCommand.getFileExtension() + ".gz";
} else {
return bundleCommand.getFileExtension();
}
}
private String createContentDispositionHeaderValue(Repository repository, String fileExtension) {
String timestamp = createFormattedTimestamp();
return String.format(
"attachment; filename = %s-%s-%s.%s",
repository.getNamespace(),
repository.getName(),
timestamp,
filetype
);
return String.format(
"attachment; filename = %s-%s-%s.%s",
repository.getNamespace(),
repository.getName(),
timestamp,
fileExtension
);
}
private String createFormattedTimestamp() {