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d9128caac1
sapling/eden/scm/lib
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Jun Wu d9128caac1 dag: delegate IdMapSnapshot impls 
Summary:
In the future, when async APIs are used, Python bindings will have lifetime
issues. Make it possible to clone the IdMap so the Python bindings can be made
to work.

Reviewed By: sfilipco

Differential Revision: D24840822

fbshipit-source-id: 6aa4e369c877c428ed39d2cbea79e6943836afa8
2020-12-10 12:37:32 -08:00
..
async-runtime async-runtime: support multi-thread block_on_future 2020-09-30 20:31:34 -07:00
auth auth: treat empty cert paths as unset 2020-12-09 15:07:19 -08:00
backingstore memcache: add progress bar to Rust memcachestore 2020-10-02 15:03:17 -07:00
blackbox Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
bookmarkstore types: address clippy warnings 2020-03-16 14:58:21 -07:00
clib build: remove portability headers 2020-10-02 10:47:24 -07:00
clidispatch clidispatch: update NoRepo commands to receive the config parameter 2020-12-01 09:59:26 -08:00
cliparser debug: introduce error classification and metadata propagation 2020-07-15 10:03:10 -07:00
commitcloudsubscriber remove old subscription 2020-11-11 05:17:47 -08:00
configparser continue: pass --noninteractive to continued command 2020-10-16 18:40:51 -07:00
cpython-async cpython-async: drop py_stream_class macro 2020-10-02 21:51:49 -07:00
cpython-ext cpython-ext: add a general From/ToPyObject for serde types 2020-10-06 16:01:23 -07:00
dag dag: delegate IdMapSnapshot impls 2020-12-10 12:37:32 -08:00
dev-logger dev-logger: a simple library to enable env_logger for testing 2020-03-10 14:16:38 -07:00
drawdag Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
edenapi edenapi: remove unused variable 2020-12-10 12:37:31 -08:00
edenfs-client fix the Windows build 2020-09-09 10:39:35 -07:00
encoding Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
fsinfo eden: add config and awareness for our edenfs.kext 2020-12-07 11:18:09 -08:00
fsyncglob hgcommands: add debugfsync 2020-08-27 18:26:03 -07:00
hg-http hg-http: remove stats logging 2020-09-24 21:05:20 -07:00
hg-metrics metrics: crate for collecting metrics 2020-09-09 17:35:48 -07:00
hgcommands revisionstore: allow persistent IndexedLogData 2020-12-09 07:07:40 -08:00
hgcommits dag: delegate IdMapSnapshot impls 2020-12-10 12:37:32 -08:00
hgtime hgtime: address clippy warnings 2020-03-16 14:58:22 -07:00
http-client edenapi: allow single cert file 2020-12-09 15:07:19 -08:00
indexedlog revisionstore: fix indexedlog max size limit 2020-10-22 18:21:11 -07:00
linelog Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
lz4-pyframe Update formatter to rustfmt 2.0 2020-09-09 07:52:34 -07:00
manifest manifest: add testutil in core package 2020-01-14 11:49:52 -08:00
manifest-tree Update formatter to rustfmt 2.0 2020-09-09 07:52:34 -07:00
metalog metalog: explicitly use tuple serialization for HgId 2020-09-28 21:32:21 -07:00
mincode Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
minibench mononoke/mercurial: make revlog crate OSS buildable 2020-04-08 09:49:11 -07:00
minibytes minibytes: address clippy warnings 2020-03-16 14:58:22 -07:00
mpatch Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
mpatch-sys use absolute includes for the native cext modules 2020-02-19 13:05:06 -08:00
mutationstore dag: add async interface for NameSet 2020-12-10 12:37:31 -08:00
nodemap Update formatter to rustfmt 2.0 2020-09-09 07:52:34 -07:00
nonblocking nonblocking: add a way to convert async fn to non-blocking sync fn 2020-12-10 12:37:31 -08:00
pathmatcher Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
procinfo procinfo: fix buck build on OSX 2020-11-03 17:40:19 -08:00
progress progress: fix typo in comment 2020-10-05 22:26:16 -07:00
radixbuf radixbuf: use concrete error types 2020-08-06 12:31:57 -07:00
renderdag renderdag: move to dag 2020-08-21 13:00:45 -07:00
revisionstore metadatastore: add config to write local history to indexedlog 2020-12-10 07:28:13 -08:00
revlogindex dag: add async interface for NameSet 2020-12-10 12:37:31 -08:00
spawn-ext Update formatter to rustfmt 2.0 2020-09-09 07:52:34 -07:00
streams streams: add logic to handle missing items 2020-10-20 15:24:27 -07:00
taggederror taggederror: introduce category and transience metadata and precedence 2020-10-12 17:17:34 -07:00
taggederror-util taggederror: Introduce taggederror-util for more ergonomic error tagging for eden error types. 2020-08-06 19:37:25 -07:00
third-party mman-win32: remove 2020-10-02 10:47:24 -07:00
thrift-types thrift: update generated thrift assets 2020-12-03 19:48:04 -08:00
tracing-collector Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
treestate Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
types Regenerate all autocargo-managed Cargo.tomls 2020-12-09 12:44:29 -08:00
util Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
version configparser: fix non-fb dependencies (#45) 2020-08-26 16:31:00 -07:00
vfs fsinfo: recognize EdenFS mounts on Windows 2020-08-12 15:47:49 -07:00
vlqencoding mutationstore: move MutationEntry type to types crate 2020-04-23 08:58:10 -07:00
workingcopy filesystem: add treestate walking logic 2020-04-24 13:58:53 -07:00
xdiff Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
xdiff-sys Update libra to latest revision 2020-07-16 21:10:44 -07:00
zstdelta third-party/rust: import async-compression + update zstd 2020-09-15 07:59:53 -07:00
zstore hgcommits: add hybrid backend 2020-10-06 19:13:02 -07:00
CMakeLists.txt clib: remove buffer.[ch] 2020-10-02 10:47:23 -07:00
README.md Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
run_cargo_tests.py config: use Rust graph render as default 2020-10-19 17:07:30 -07:00

README.md

lib

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).