Add LFS Migration and Mirror (#14726)

* 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>

1 files changed, 7 insertions, 20 deletions

diff --git a/integrations/lfs_getobject_test.go b/integrations/lfs_getobject_test.go
index f364349ef1..789c7572a7 100644
--- a/integrations/lfs_getobject_test.go
+++ b/integrations/lfs_getobject_test.go
@@ -7,9 +7,6 @@ package integrations
 import (
 	"archive/zip"
 	"bytes"
-	"crypto/sha256"
-	"encoding/hex"
-	"io"
 	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
@@ -18,46 +15,36 @@ import (
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/lfs"
 	"code.gitea.io/gitea/modules/setting"
-	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/routers/routes"
 
 	gzipp "github.com/klauspost/compress/gzip"
 	"github.com/stretchr/testify/assert"
 )
 
-func GenerateLFSOid(content io.Reader) (string, error) {
-	h := sha256.New()
-	if _, err := io.Copy(h, content); err != nil {
-		return "", err
-	}
-	sum := h.Sum(nil)
-	return hex.EncodeToString(sum), nil
-}
-
 var lfsID = int64(20000)
 
 func storeObjectInRepo(t *testing.T, repositoryID int64, content *[]byte) string {
-	oid, err := GenerateLFSOid(bytes.NewReader(*content))
+	pointer, err := lfs.GeneratePointer(bytes.NewReader(*content))
 	assert.NoError(t, err)
 	var lfsMetaObject *models.LFSMetaObject
 
 	if setting.Database.UsePostgreSQL {
-		lfsMetaObject = &models.LFSMetaObject{ID: lfsID, Oid: oid, Size: int64(len(*content)), RepositoryID: repositoryID}
+		lfsMetaObject = &models.LFSMetaObject{ID: lfsID, Pointer: pointer, RepositoryID: repositoryID}
 	} else {
-		lfsMetaObject = &models.LFSMetaObject{Oid: oid, Size: int64(len(*content)), RepositoryID: repositoryID}
+		lfsMetaObject = &models.LFSMetaObject{Pointer: pointer, RepositoryID: repositoryID}
 	}
 
 	lfsID++
 	lfsMetaObject, err = models.NewLFSMetaObject(lfsMetaObject)
 	assert.NoError(t, err)
-	contentStore := &lfs.ContentStore{ObjectStorage: storage.LFS}
-	exist, err := contentStore.Exists(lfsMetaObject)
+	contentStore := lfs.NewContentStore()
+	exist, err := contentStore.Exists(pointer)
 	assert.NoError(t, err)
 	if !exist {
-		err := contentStore.Put(lfsMetaObject, bytes.NewReader(*content))
+		err := contentStore.Put(pointer, bytes.NewReader(*content))
 		assert.NoError(t, err)
 	}
-	return oid
+	return pointer.Oid
 }
 
 func storeAndGetLfs(t *testing.T, content *[]byte, extraHeader *http.Header, expectedStatus int) *httptest.ResponseRecorder {