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Rust Cargo linter: Improve workspace support (#1679)

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* Rust Cargo linter: Improve workspace support

When using Cargo workspaces [1], there is a 'Cargo.toml' directory in a
top level directory, listing all the crates in the project. If we are
currently editing one of the crates, 'cargo build' should execute in
that directory for that crate's separate `Cargo.toml`, otherwise Cargo
may spend more time possibly rebuilding the entire workspace, and maybe
failing on one of the other crates, instead of succeeding on the current.

[1] https://doc.rust-lang.org/book/second-edition/ch14-03-cargo-workspaces.html
This commit is contained in:
Dan Aloni
2018-06-28 00:36:02 +03:00
committed by w0rp
parent 980aa35566
commit d9e139ae23
5 changed files with 46 additions and 1 deletions
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0
test/command_callback/cargo_workspace_paths/Cargo.toml Normal file
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test/command_callback/cargo_workspace_paths/subpath/Cargo.toml Normal file
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23
test/command_callback/test_cargo_command_callbacks.vader
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@@ -5,6 +5,7 @@ Before:
Save g:ale_rust_cargo_check_examples
Save g:ale_rust_cargo_default_feature_behavior
Save g:ale_rust_cargo_include_features
Save g:ale_rust_cargo_avoid_whole_workspace
unlet! g:ale_rust_cargo_use_check
unlet! g:ale_rust_cargo_check_all_targets
@@ -12,6 +13,7 @@ Before:
unlet! g:ale_rust_cargo_check_examples
unlet! g:ale_rust_cargo_default_feature_behavior
unlet! g:ale_rust_cargo_include_features
unlet! g:ale_rust_cargo_avoid_whole_workspace
runtime ale_linters/rust/cargo.vim
call ale#test#SetDirectory('/testplugin/test/command_callback')
@@ -198,3 +200,24 @@ Execute(--all-features should be used when g:ale_rust_cargo_default_feature_beha
\ ale_linters#rust#cargo#GetCommand(bufnr(''), [
\ 'cargo 0.22.0 (3423351a5 2017-10-06)',
\ ])
Execute(When a crate belongs to a workspace we chdir into the crate.):
call ale#test#SetFilename('cargo_workspace_paths/subpath/test.rs')
if ale#Has('win32')
let test_cdprefix = "C:\\testplugin\\test\\command_callback\\cargo_workspace_paths\\subpath"
else
let test_cdprefix = "'/testplugin/test/command_callback/cargo_workspace_paths/subpath'"
endif
AssertEqual
\ "cd ".test_cdprefix." && cargo build --frozen --message-format=json -q",
\ ale_linters#rust#cargo#GetCommand(bufnr(''), [])
Execute(When a crate belongs to a workspace we chdir into the crate, unless we disabled it):
let g:ale_rust_cargo_avoid_whole_workspace = 0
call ale#test#SetFilename('cargo_workspace_paths/subpath/test.rs')
AssertEqual
\ "cargo build --frozen --message-format=json -q",
\ ale_linters#rust#cargo#GetCommand(bufnr(''), [])