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Co-authored-by: Min Xu <min.xu.public@gmail.com>

Co-authored-by: Min Xu <min.xu.public@gmail.com>

* refactor SHA1_Store

- renamed the class
- added created_on field and refactored how init is done
- wrap long lines

* wrapped longer lines

* rename json file ref_count.json

* make sha1_buf_size an argument

* update gitignore

* added tmp_dir

* added new sha1_store add and tests

* update chdir

* add debug to test

* fixing unit test for 1.8
Co-authored-by: Min Xu <min.xu.public@gmail.com>

- Thanks to Alexei for spotting this.
- Added triggering test case.
- enhanced tests with more comments etc.
Co-authored-by: Min Xu <min.xu.public@gmail.com>

* [Fix] Restructure for wgit availability as a package

* Preliminary implementation of wgit status

* [Feat] Addition of wgit status
1. Functionalities to check the status of the repo.
2. Checks if file has been modified, whether changes added or added changes commited.

* [test] Addition of tests for weigit status
1. Some minor refactors and docstring changes

* [Fix] Changes in repo status test

* [test] status test fix
1. made the test status printing order independent

* [refactor] Metadata dirs mirroring chkpt paths, changes in wgit status
1. Metadata files are now created within wgit with directory structure mirroring the relative paths of the checkpoint/files they track.
2. Changes in status: 3 statuses now.
3. Changes in tests.
4. Some code refactoring.

* [cleanup] minor changes in comments and cleanup

Co-authored-by: Min Xu <min.xu.public@gmail.com>

Co-authored-by: Min Xu <min.xu.public@gmail.com>

Bumps [numpy](https://github.com/numpy/numpy) from 1.21.5 to 1.22.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst)
- [Commits](https://github.com/numpy/numpy/compare/v1.21.5...v1.22.0

)

---
updated-dependencies:
- dependency-name: numpy
  dependency-type: direct:development
...
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

weigit: Fixed file tracking with metadata. Changes in sha1_store for better encapsulation. Docstrings. (#1013)

* [Feat] Fixed file tracking with metadata. Change in sha1_store for better encapsulation. Tests.

1. Adds metadata creation per added file and independently tracks version of each separate file added. That is, now creates separate metadata files
   for each file to be tracked.
2. Changes in reference tracking to accomodate the change in 1.
3. Somes changes in SHA1_store for better encapsulation.
4. Modified the tests to reflect above.

* [Feat]
1. Added docstrings to the classes.
2. Added a recursively search for the weigit repo upto root.
3. Some refactor of the codes.

* [Feat][Refactor] repo and sha1_store add modification and separation. Modification in reference tracking

1. Separation of add functionalities of repo.add and sha1_store.add.
2. Updated the reference tracking.
3. New tests and code refactor

* [Fix] Sha1_store fix overlap in first two characters of sha1 hash...

* ThreadLocal to ThreadLocalCheckpointState dataclass

* remove notes

* Fix CI

* ci pythonpath

* [feat] Adds the implementaion for the wgit add functionality, with sha1 hash creation, reference tracking, dependency graph creation and all related functionalities for the wgit add method.

* [feat] Adds the wgit add and wgit commit functionalities and major refactors.

1. Adds the wgit add and wgit commit functionalities to the api.
2. Introduces a new PyGit class that wraps the internal .wgit/.git repo.
3. Refactors the Repo class in the api, and introduces some methods.
4. .Refactors all the classes which no longer uses @staticmethods and now uses object istances instead.
5.  Moved many of the directory path handling code from os.path to pathlib library.

* [Feat] Combines the Repo and Weigit classes. Separate claases into separate modules.

1. Combines the functionalities of the WeiGit and Repo class into a single WeiGitRepo class.
2. Classes are now separated into their own modules.
3. M...

* [feat] Adding wgit within fairscale/experimental/wgit.

* [feat] adding experimental wgit

* [feat] wgit init functionalities and skeleton for the rest.

* adapted the suggested changes

* repo class working

* [feat] wgit functionalities and skeleton. Addition of subparsers and repo class along with some changes.

* [feat] wgit functionalities and skeleton, move to subparsers and addition of Repo Class

* [feat] wgit functionalities and skeleton, move to subparsers and addition of Repo Class

* [docs] changed a comment in .gitignore

* [refactor] changed the sequene of tests in ci_test_list2.txt

* [chore] fix pyenv download cache

* fix
Co-authored-by: Min Xu <min.xu.public@gmail.com>

* [chore] move to 3.8/3.9/3.10

* move to 1.11 for stable version

* fixed version check

* fixed cache file names

* update the precommit flow too
Co-authored-by: Min Xu <min.xu.public@gmail.com>

* [feat] Adding wgit within fairscale/experimental/wgit.

* [feat] adding experimental wgit

"Lightning" not "Lightening"

This reverts commit 0bcf4dae

.
Co-authored-by: Min Xu <min.xu.public@gmail.com>

Co-authored-by: Min Xu <min.xu.public@gmail.com>

Co-authored-by: Min Xu <min.xu.public@gmail.com>

The pyenv version was moving forward and now it is fixed to v2.2.0.
Co-authored-by: Min Xu <min.xu.public@gmail.com>

[FSDP] ssd_offload fixing backward path (grad_fn) for SsdFlatParameter and SsdFlatParameterView (#974)

* [FSDP] fixing backward path for SsdFlatParameter and SsdFlatParameterView when overriding .data

* Get ssd_offload unit tests passing

* [FSDP] get all test_fsdp_offload tests passing w/ ssd_offload on

* Update changelog

Co-authored-by: Min Xu <min.xu.public@gmail.com>

* [chore] update nightly version

* use yesterday's
Co-authored-by: Min Xu <min.xu.public@gmail.com>

Improvements to ssd_offload to support pickling/unpickling SsdTensorHandle (and derived classes) (#964)

Verified that FSDP wrapped models using ssd_offload checkpoint save and restore correctly

This is no longer needed since isort's version is 5.10

Also fix black version to 22.3.0 to fix issue with click
dependency.

Update files that now fail with new version of black {a = 2 ** 4} ->
{a = 2**4}

* made gradient predivide factor configurable

* fix lints
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