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Adam Simpkins 96cea91e54 various minor efficiency improvements in LocalStore 
Summary:
- Add a Sha1Key class that can more efficiently compute the key for
  file content SHA-1 values, without having to copy it into a new std::string
  object.  (In practice fbstring would have avoided having to actually allocate
  memory, but it was still an extra data copy.)

- The code was always converting the hash keys to hex on get and put
  operations, just in case it needed it if an error occurred.  This diff
  changes the code to only compute the hex value if an error actually occurred.

Reviewed By: bolinfest

Differential Revision: D3403889

fbshipit-source-id: 5abd8ef202cb00677a84a03a82e2a3d21f16cd2f
2016-06-08 14:54:01 -07:00
eden various minor efficiency improvements in LocalStore 2016-06-08 14:54:01 -07:00
.buckconfig Initial commit 2016-05-12 14:09:13 -07:00
.gitignore Initial commit 2016-05-12 14:09:13 -07:00
CONTRIBUTING.md Initial commit 2016-05-12 14:09:13 -07:00
DEFS Initial commit 2016-05-12 14:09:13 -07:00
LICENSE Initial commit 2016-05-12 14:09:13 -07:00
PATENTS Initial commit 2016-05-12 14:09:13 -07:00
README.md Fix a typo in Eden's README.md. 2016-05-13 09:32:03 -07:00

README.md

Eden

Eden is a project with several components, the most prominent of which is a virtual filesystem built using FUSE.

Caveat Emptor

Eden is still in early stages of development. We are making it available now because we plan to start making references to it from our other open source projects, such as Buck, Watchman, and Nuclide.

The version that we provide on GitHub does not build yet.

This is because the code is exported verbatim from an internal repository at Facebook, and not all of the scaffolding from our internal repository can be easily extracted. The key areas where we need to shore things up are:

  • The reinterpretations of build macros in DEFS.
  • A process for including third-party dependencies (presumably via Git submodules) and wiring up the external_deps argument in the build macros to point to them.
  • Providing the toolchain needed to power the [undocumented] thrift_library() rule in Buck.

The goal is to get Eden building on both Linux and OS X, though Linux support is expected to come first.