mirror of
https://github.com/facebook/sapling.git
synced 2024-10-16 11:52:02 +03:00
fe65402e46
Summary:
In targets that depend on *both* 0.1 and 0.3 futures, this codemod renames the 0.1 dependency to be exposed as futures_old::. This is in preparation for flipping the 0.3 dependencies from futures_preview:: to plain futures::.
rs changes performed by:
```
rg \
--files-with-matches \
--type-add buck:TARGETS \
--type buck \
--glob '!/experimental' \
--regexp '(_|\b)rust(_|\b)' \
| sed 's,TARGETS$,:,' \
| xargs \
-x \
buck query "labels(srcs,
rdeps(%Ss, fbsource//third-party/rust:futures-old, 1)
intersect
rdeps(%Ss, //common/rust/renamed:futures-preview, 1)
)" \
| xargs sed -i 's/\bfutures::/futures_old::/'
```
Reviewed By: jsgf
Differential Revision: D20168958
fbshipit-source-id: d2c099f9170c427e542975bc22fd96138a7725b0
79 lines
2.6 KiB
Rust
79 lines
2.6 KiB
Rust
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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use anyhow::Error;
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use blobrepo::BlobRepo;
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use blobstore::Loadable;
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use cloned::cloned;
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use context::CoreContext;
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use futures_ext::{FutureExt, StreamExt};
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use futures_old::{future, Future, Stream};
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use manifest::{Entry, ManifestOps};
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use mercurial_types::HgChangesetId;
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use mercurial_types::{manifest::Content, FileBytes};
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use mononoke_types::MPath;
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use thiserror::Error;
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#[derive(Debug, Error)]
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pub enum ErrorKind {
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#[error("{0} not found")]
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NotFound(String),
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}
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// This method is deprecated. It will eventually be replaced by something more like:
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// let mononoke = Mononoke::new(...);
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// mononoke.repo(repo_name).changeset(changeset_id).file(path).read();
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pub fn get_content_by_path(
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ctx: CoreContext,
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repo: BlobRepo,
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changesetid: HgChangesetId,
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path: Option<MPath>,
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) -> impl Future<Item = Content, Error = Error> {
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changesetid
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.load(ctx.clone(), repo.blobstore())
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.from_err()
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.and_then({
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cloned!(repo, ctx);
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move |changeset| {
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changeset
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.manifestid()
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.find_entry(ctx, repo.get_blobstore(), path.clone())
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.and_then(move |entry| {
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entry.ok_or_else(|| {
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ErrorKind::NotFound(MPath::display_opt(path.as_ref()).to_string())
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.into()
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})
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})
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}
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})
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.and_then(move |entry| match entry {
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Entry::Tree(manifest_id) => manifest_id
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.load(ctx.clone(), repo.blobstore())
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.from_err()
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.map(|manifest| Content::Tree(Box::new(manifest)))
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.left_future(),
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Entry::Leaf((file_type, filenode_id)) => {
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let stream = filenode_id
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.load(ctx.clone(), repo.blobstore())
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.from_err()
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.map(move |envelope| {
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filestore::fetch_stream(
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repo.blobstore(),
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ctx.clone(),
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envelope.content_id(),
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)
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})
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.flatten_stream()
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.map(FileBytes)
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.boxify();
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let content = Content::new_file(file_type, stream);
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future::ok(content).right_future()
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}
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})
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}
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