mirror of
https://github.com/facebook/sapling.git
synced 2024-10-10 16:57:49 +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
2.7 KiB
Rust
79 lines
2.7 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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#![deny(warnings)]
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use anyhow::Error;
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use blobrepo::BlobRepo;
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use cloned::cloned;
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use context::CoreContext;
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use derived_data::BonsaiDerived;
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use futures_old::{future, Future, Stream};
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use manifest::ManifestOps;
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use mononoke_types::{BonsaiChangeset, ChangesetId, FileUnodeId, MPath};
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use std::collections::HashMap;
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use thiserror::Error;
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mod derive;
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mod mapping;
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pub use mapping::{RootUnodeManifestId, RootUnodeManifestMapping};
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#[derive(Debug, Error)]
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pub enum ErrorKind {
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#[error("Invalid bonsai changeset: {0}")]
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InvalidBonsai(String),
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}
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/// Given bonsai changeset find unodes for all renames that happened in this changesest.
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///
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/// Returns mapping from paths in current changeset to file unodes in parents changesets
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/// that were coppied to a given path.
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pub fn find_unode_renames(
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ctx: CoreContext,
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repo: BlobRepo,
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bonsai: &BonsaiChangeset,
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) -> impl Future<Item = HashMap<MPath, FileUnodeId>, Error = Error> {
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let mut references: HashMap<ChangesetId, HashMap<MPath, MPath>> = HashMap::new();
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for (to_path, file_change) in bonsai.file_changes() {
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if let Some((from_path, csid)) = file_change.and_then(|fc| fc.copy_from()) {
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references
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.entry(*csid)
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.or_default()
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.insert(from_path.clone(), to_path.clone());
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}
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}
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let blobstore = repo.get_blobstore();
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let unodes = references.into_iter().map(move |(csid, mut paths)| {
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RootUnodeManifestId::derive(ctx.clone(), repo.clone(), csid)
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.from_err()
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.and_then({
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cloned!(ctx, blobstore);
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move |mf_root| {
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let from_paths: Vec<_> = paths.keys().cloned().collect();
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mf_root
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.manifest_unode_id()
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.clone()
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.find_entries(ctx, blobstore, from_paths)
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.filter_map(|(from_path, entry)| Some((from_path?, entry.into_leaf()?)))
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.collect()
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.map(move |unodes| {
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unodes
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.into_iter()
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.filter_map(|(from_path, unode_id)| {
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Some((paths.remove(&from_path)?, unode_id))
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})
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.collect::<HashMap<_, _>>()
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})
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}
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})
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});
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future::join_all(unodes).map(|unodes| unodes.into_iter().flatten().collect())
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}
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