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Add LFS Migration and Mirror (#14726)

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* Implemented LFS client.

* Implemented scanning for pointer files.

* Implemented downloading of lfs files.

* Moved model-dependent code into services.

* Removed models dependency. Added TryReadPointerFromBuffer.

* Migrated code from service to module.

* Centralised storage creation.

* Removed dependency from models.

* Moved ContentStore into modules.

* Share structs between server and client.

* Moved method to services.

* Implemented lfs download on clone.

* Implemented LFS sync on clone and mirror update.

* Added form fields.

* Updated templates.

* Fixed condition.

* Use alternate endpoint.

* Added missing methods.

* Fixed typo and make linter happy.

* Detached pointer parser from gogit dependency.

* Fixed TestGetLFSRange test.

* Added context to support cancellation.

* Use ReadFull to probably read more data.

* Removed duplicated code from models.

* Moved scan implementation into pointer_scanner_nogogit.

* Changed method name.

* Added comments.

* Added more/specific log/error messages.

* Embedded lfs.Pointer into models.LFSMetaObject.

* Moved code from models to module.

* Moved code from models to module.

* Moved code from models to module.

* Reduced pointer usage.

* Embedded type.

* Use promoted fields.

* Fixed unexpected eof.

* Added unit tests.

* Implemented migration of local file paths.

* Show an error on invalid LFS endpoints.

* Hide settings if not used.

* Added LFS info to mirror struct.

* Fixed comment.

* Check LFS endpoint.

* Manage LFS settings from mirror page.

* Fixed selector.

* Adjusted selector.

* Added more tests.

* Added local filesystem migration test.

* Fixed typo.

* Reset settings.

* Added special windows path handling.

* Added unit test for HTTPClient.

* Added unit test for BasicTransferAdapter.

* Moved into util package.

* Test if LFS endpoint is allowed.

* Added support for git://

* Just use a static placeholder as the displayed url may be invalid.

* Reverted to original code.

* Added "Advanced Settings".

* Updated wording.

* Added discovery info link.

* Implemented suggestion.

* Fixed missing format parameter.

* Added Pointer.IsValid().

* Always remove model on error.

* Added suggestions.

* Use channel instead of array.

* Update routers/repo/migrate.go

* fmt

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
This commit is contained in:
KN4CK3R 2021-04-09 00:25:57 +02:00 • committed by GitHub
parent f544414a23
commit c03e488e14
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75 changed files with 2159 additions and 711 deletions
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17
services/pull/lfs.go
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@ -70,6 +70,8 @@ func createLFSMetaObjectsFromCatFileBatch(catFileBatchReader *io.PipeReader, wg
defer wg.Done()
defer catFileBatchReader.Close()
contentStore := lfs.NewContentStore()
bufferedReader := bufio.NewReader(catFileBatchReader)
buf := make([]byte, 1025)
for {
@ -101,10 +103,16 @@ func createLFSMetaObjectsFromCatFileBatch(catFileBatchReader *io.PipeReader, wg
}
pointerBuf = pointerBuf[:size]
// Now we need to check if the pointerBuf is an LFS pointer
pointer := lfs.IsPointerFile(&pointerBuf)
if pointer == nil {
pointer, _ := lfs.ReadPointerFromBuffer(pointerBuf)
if !pointer.IsValid() {
continue
}
exist, _ := contentStore.Exists(pointer)
if !exist {
continue
}
// Then we need to check that this pointer is in the db
if _, err := pr.HeadRepo.GetLFSMetaObjectByOid(pointer.Oid); err != nil {
if err == models.ErrLFSObjectNotExist {
@ -117,8 +125,9 @@ func createLFSMetaObjectsFromCatFileBatch(catFileBatchReader *io.PipeReader, wg
// OK we have a pointer that is associated with the head repo
// and is actually a file in the LFS
// Therefore it should be associated with the base repo
pointer.RepositoryID = pr.BaseRepoID
if _, err := models.NewLFSMetaObject(pointer); err != nil {
meta := &models.LFSMetaObject{Pointer: pointer}
meta.RepositoryID = pr.BaseRepoID
if _, err := models.NewLFSMetaObject(meta); err != nil {
_ = catFileBatchReader.CloseWithError(err)
break
}