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Author	SHA1	Message	Date
Matthias Sohn	3bae524f6f	Support LFS protocol and a file system based LFS storage Implement LfsProtocolServlet handling the "Git LFS v1 Batch API" protocol [1]. Add a simple file system based LFS content store and the debug-lfs-store command to simplify testing. Introduce a LargeFileRepository interface to enable additional storage implementation while reusing the same protocol implementation. At the client side we have to configure the lfs.url, specify that we use the batch API and we don't use authentication: [lfs] url = http://host:port/lfs batch = true [lfs "http://host:port/lfs"] access = none the git-lfs client appends the "objects/batch" to the lfs.url. Hard code an Authorization header in the FileLfsRepository.getAction because then git-lfs client will skip asking for credentials. It will just forward the Authorization header from the response to the download/upload request. The FileLfsServlet supports file content storage for "Large File Storage" (LFS) server as defined by the Github LFS API [2]. - upload and download of large files is probably network bound hence use an asynchronous servlet for good scalability - simple object storage in file system with 2 level fan-out - use LockFile to protect writing large objects against multiple concurrent uploads of the same object - to prevent corrupt uploads the uploaded file is rejected if its hash doesn't match id given in URL The debug-lfs-store command is used to run the LfsProtocolServlet and, optionally, the FileLfsServlet which makes it easier to setup a local test server. [1] https://github.com/github/git-lfs/blob/master/docs/api/http-v1-batch.md [2] https://github.com/github/git-lfs/tree/master/docs/api Bug: 472961 Change-Id: I7378da5575159d2195138d799704880c5c82d5f3 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com> Signed-off-by: Sasa Zivkov <sasa.zivkov@sap.com>	8 years ago
Matthias Sohn	536db18cc6	Implement SHA-256 abstraction The Large File Storage extension specified by GitHub [1] uses SHA-256 to compute the ID of large files stored by the extension. Hence implement a SHA-256 abstraction similar to the SHA-1 abstraction used by JGit. [1] https://git-lfs.github.com/ Bug: 470333 Change-Id: I3a95954543c8570d73929e55f4a884b55dbf1b7a Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>	9 years ago
Matthias Sohn	cfdb09e9db	Use commit message best practices for Mylyn Commit template We should use a template for Mylyn commit messages that matches with our guidelines for commit messages. http://wiki.eclipse.org/EGit/Contributor_Guide#Commit_message_guidelines Bug: 337401 Change-Id: I05812abf0eb0651d22c439142640f173fc2f2ba0 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>	12 years ago

Author

SHA1

Message

Date

Matthias Sohn

3bae524f6f

Support LFS protocol and a file system based LFS storage

Implement LfsProtocolServlet handling the "Git LFS v1 Batch API"
protocol [1]. Add a simple file system based LFS content store and the
debug-lfs-store command to simplify testing.

Introduce a LargeFileRepository interface to enable additional storage
implementation while reusing the same protocol implementation.

At the client side we have to configure the lfs.url, specify that
we use the batch API and we don't use authentication:

  [lfs]
	  url = http://host:port/lfs
	  batch = true
  [lfs "http://host:port/lfs"]
	  access = none

the git-lfs client appends the "objects/batch" to the lfs.url.

Hard code an Authorization header in the FileLfsRepository.getAction
because then git-lfs client will skip asking for credentials. It will
just forward the Authorization header from the response to the
download/upload request.

The FileLfsServlet supports file content storage for "Large File
Storage" (LFS) server as defined by the Github LFS API [2].

- upload and download of large files is probably network bound hence use
  an asynchronous servlet for good scalability
- simple object storage in file system with 2 level fan-out
- use LockFile to protect writing large objects against multiple
  concurrent uploads of the same object
- to prevent corrupt uploads the uploaded file is rejected if its hash
  doesn't match id given in URL

The debug-lfs-store command is used to run the LfsProtocolServlet and,
optionally, the FileLfsServlet which makes it easier to setup a
local test server.

[1]
https://github.com/github/git-lfs/blob/master/docs/api/http-v1-batch.md
[2] https://github.com/github/git-lfs/tree/master/docs/api

Bug: 472961
Change-Id: I7378da5575159d2195138d799704880c5c82d5f3
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Signed-off-by: Sasa Zivkov <sasa.zivkov@sap.com>

8 years ago

Matthias Sohn

536db18cc6

Implement SHA-256 abstraction

The Large File Storage extension specified by GitHub [1] uses SHA-256 to
compute the ID of large files stored by the extension. Hence implement a
SHA-256 abstraction similar to the SHA-1 abstraction used by JGit.

[1] https://git-lfs.github.com/

Bug: 470333
Change-Id: I3a95954543c8570d73929e55f4a884b55dbf1b7a
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

9 years ago

Matthias Sohn

cfdb09e9db

Use commit message best practices for Mylyn Commit template

We should use a template for Mylyn commit messages that matches with our
guidelines for commit messages.

http://wiki.eclipse.org/EGit/Contributor_Guide#Commit_message_guidelines

Bug: 337401
Change-Id: I05812abf0eb0651d22c439142640f173fc2f2ba0
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

12 years ago

1 Commits (86d1dc3b1f51be5e07b74e2c1d69669d0ef7af2d)