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a76dffcb83
sapling/eden/scm/lib
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Stefan Filip a76dffcb83 tracing: update base collector to Registry + Subscriber list 
Summary:
This setup is more extendable than the TracingData focused approach. We can
more easily add new functionality using the Subscriber list.

The approach taken here to introduce the new collector tries to maintain
existing functionality. We can then move various logic to their own
Subscribers.

Reviewed By: quark-zju

Differential Revision: D25988580

fbshipit-source-id: 045cd355dbd499109e554a29a1439c2d490b7c40
2021-01-21 11:35:08 -08:00
..
async-runtime async-runtime: support multi-thread block_on_future 2020-09-30 20:31:34 -07:00
auth auth: backout D25454687 cert validatio 2021-01-06 09:17:13 -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 Apply clang-format update fixes 2021-01-10 10:06:29 -08:00
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 fix order of arguments in error message 2020-12-16 06:23:00 -08:00
configparser configparser: add support for bypassing all shards 2021-01-18 07:12:55 -08:00
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: impl PartialOrd for VerLink 2020-12-22 10:37:01 -08:00
dev-logger tracing: update base collector to Registry + Subscriber list 2021-01-21 11:35:08 -08:00
drawdag Prepare for rustfmt 2.0 2020-09-07 20:47:59 -07:00
edenapi fix make local build 2021-01-20 07:23:59 -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 metrics: use dot . as metric separator 2021-01-21 11:29:42 -08:00
hg-metrics metrics: crate for collecting metrics 2020-09-09 17:35:48 -07:00
hgcommands tracing: update base collector to Registry + Subscriber list 2021-01-21 11:35:08 -08:00
hgcommits changelog2: add "lazytext" backend 2020-12-18 16:47:11 -08:00
hgtime hgtime: address clippy warnings 2020-03-16 14:58:22 -07:00
http-client Make tokio-0.2 include test-util feature 2021-01-18 10:38:08 -08:00
indexedlog indexedlog: add an API to manually clean up rotated logs 2021-01-12 21:38:03 -08:00
linelog Apply clang-format update fixes 2021-01-10 10:06:29 -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 pathmatcher: allow errors in match function definition 2021-01-07 16:22:17 -08:00
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: make parent function async 2020-12-10 12:37:36 -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 pathmatcher: allow errors in match function definition 2021-01-07 16:22:17 -08:00
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 revisionstore: clean up old logs for RotateLog storage 2021-01-12 21:38:03 -08:00
revlogindex dag: use VerLink to track IdMap change compatibility 2020-12-18 16:56:43 -08:00
spawn-ext Update formatter to rustfmt 2.0 2020-09-09 07:52:34 -07:00
streams Make tokio-0.2 include test-util feature 2021-01-18 10:38:08 -08:00
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 tracing: update base collector to Registry + Subscriber list 2021-01-21 11:35:08 -08:00
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 pathmatcher: allow errors in match function definition 2021-01-07 16:22:17 -08:00
xdiff Update project Cargo.toml's 2021-01-06 15:46:50 -08:00
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).