Summary:
Eden api endpoint for segmented changelog. It translates a path in the
graph to the hash corresponding to that commit that the path lands on.
It is expected that paths point to unique commits.
This change looks to go through the plumbing of getting the request from
the edenapi side through mononoke internals and to the segmented changelog
crate. The request used is an example. Follow up changes will look more at
what shape the request and reponse should have.
Reviewed By: kulshrax
Differential Revision: D22702016
fbshipit-source-id: 9615a0571f31a8819acd2b4dc548f49e36f44ab2
Any native code (C/C++/Rust) that Mercurial (either core or extensions)
depends on should go here. Python code, or native code that depends on
Python code (e.g. #include <Python.h> or use cpython) is disallowed.
As we start to convert more of Mercurial into Rust, and write new paths
entrirely in native code, we'll want to limit our dependency on Python, which is
why this barrier exists.
See also hgext/extlib/README.md, mercurial/cext/README.mb.
How do I choose between lib and extlib (and cext)?
If your code is native and doesn't depend on Python (awesome!), it goes here.
Otherwise, put it in hgext/extlib (if it's only used by extensions) or
mercurial/cext (if it's used by extensions or core).
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