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A Scalable, User-Friendly Source Control System.
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Saul Gutierrez 1470839a42 python3-sys: upgrade to python 3.10 
Summary:
Trying to help with this problem:

  hg --version
  Traceback (most recent call last):
    File "/opt/fb/mercurial/edenscm/__init__.py", line 81, in run
      from . import dispatch
    File "/opt/fb/mercurial/edenscm/dispatch.py", line 27, in <module>
      from . import (
    File "/opt/fb/mercurial/edenscm/cmdutil.py", line 29, in <module>
      from . import (
    File "/opt/fb/mercurial/edenscm/bookmarks.py", line 21, in <module>
      from . import (
    File "/opt/fb/mercurial/edenscm/encoding.py", line 20, in <module>
      from edenscmnative import parsers as charencode
  ImportError: Python minor version mismatch: The Mercurial extension modules were compiled with Python 3.10.9+fb, but Mercurial is currently using Python with sys.hexversion=50857712: Python 3.8.6 (default, Feb 10 2023, 17:15:29)
  [GCC 11.x 20221024 (Facebook) 11.2.1+]

Reviewed By: muirdm

Differential Revision: D49067540

fbshipit-source-id: 3aa673021b706c659bd2676bc448e3ae1edd6f42
2023-09-19 15:18:33 -07:00
.github/workflows Eliminate dependency on unmaintained node12-based action 2023-07-05 08:38:06 -07:00
addons Focus submit button in submit confirmation modal 2023-09-18 17:29:34 -07:00
build Updating submodules 2023-09-16 17:50:23 -07:00
ci fix compatibility with PEP 440 (#606) 2023-04-18 10:12:23 -07:00
CMake fix some warnings in gcc 2023-07-17 19:10:59 -07:00
common expose env when fb feature is enabled 2023-07-27 08:19:54 -07:00
configerator/structs/scm adding deprecated_default_enum_min_i32: multi-liners [3/n] 2023-09-07 12:53:33 -07:00
eden python3-sys: upgrade to python 3.10 2023-09-19 15:18:33 -07:00
website Bump word-wrap from 1.2.3 to 1.2.5 in /website (#687) 2023-07-27 13:09:22 -07:00
.gitignore mononoke: add README.md and the missing pieces for supporting cargo (#13) 2020-02-13 00:12:36 -08:00
.projectid replace the old getdeps.py script with a build.sh script 2020-03-30 19:27:54 -07:00
build.bat fs: fix license header 2022-01-04 15:00:07 -08:00
build.sh fs: fix license header 2022-01-04 15:00:07 -08:00
clippy.toml Add support for clippy.toml configuration file 2023-03-10 19:22:46 -08:00
CMakeLists.txt fix getdeps build on Windows 2023-07-25 15:24:16 -07:00
CODE_OF_CONDUCT.md Adopt Contributor Covenant 2019-08-29 23:23:31 -07:00
CONTRIBUTING.md fix CONTRIBUTING.md to reference main instead of master (#436) 2023-01-18 19:58:13 -08:00
LICENSE relicense to GPLv2 2019-06-19 17:02:45 -07:00
make-client.py fs: fix license header 2022-01-04 15:00:07 -08:00
README.md Fix spelling mistake (#677) 2023-07-25 12:33:29 -07:00
requirements_ubuntu.txt include oss installation instructions for ubuntu 2020-07-24 11:34:17 -07:00
rustfmt.toml rustfmt.toml: group_imports = StdExternalCrate 2022-08-06 12:33:42 -07:00
SAPLING_VERSION bump SAPLING_VERSION from 0.1 to 0.2 in preparation for the next release 2022-12-21 12:23:53 -08:00

README.md

Sapling SCM

Sapling SCM is a cross-platform, highly scalable, Git-compatible source control system.

It aims to provide both user-friendly and powerful interfaces for users, as well as extreme scalability to deal with repositories containing many millions of files and many millions of commits.

Using Sapling

To start using Sapling, see the Getting Started page for how to clone your existing Git repositories. Checkout the Overview for a peek at the various features. Coming from Git? Checkout the Git Cheat Sheet.

Sapling also comes with an Interactive Smartlog (ISL) web UI for seeing and interacting with your repository, as well as a VS Code integrated Interactive Smartlog.

The Sapling Ecosystem

Sapling SCM is comprised of three main components:

  • The Sapling client: The client-side sl command line and web interface for users to interact with Sapling SCM.
  • Mononoke: A highly scalable distributed source control server. (Not yet supported publicly.)
  • EdenFS: A virtual filesystem for efficiently checking out large repositories. (Not yet supported publicly.)

Sapling SCM's scalability goals are to ensure that all source control operations scale with the number of files in use by a developer, and not with the size of the repository itself. This enables fast, performant developer experiences even in massive repositories with millions of files and extremely long commit histories.

Sapling CLI

The Sapling CLI, sl, was originally based on Mercurial, and shares various aspects of the UI and features of Mercurial.

The CLI code can be found in the eden/scm subdirectory.

Mononoke

Mononoke is the server-side component of Sapling SCM.

While it is used in production within Meta, it currently does not build in an open source context and is not yet supported for external usage.

EdenFS

EdenFS is a virtual file system for managing Sapling checkouts.

While it is used in production within Meta, it currently does not build in an open source context and is not yet supported for external usage.

EdenFS speeds up operations in large repositories by only populating working directory files on demand, as they are accessed. This makes operations like checkout much faster, in exchange for a small performance hit when first accessing new files. This is quite beneficial in large repositories where developers often only work with a small subset of the repository at a time.

More detailed EdenFS design documentation can be found at eden/fs/docs/Overview.md.

Building the Sapling CLI

The Sapling CLI currently builds and runs on Linux, Mac, and Windows. It can be built by running make oss in the eden/scm directory and running the resulting sl executable.

Building the Sapling CLI requires Python 3.8, Rust, CMake, and OpenSSL for the main cli, and Node and Yarn for the ISL web UI.

License

See LICENSE.