bors [Sat, 19 Dec 2020 12:28:00 +0000 (12:28 +0000)]
Auto merge of #6471 - phansch:fix-bless, r=flip1995
Fix blessing of new reference files
Adding of new reference files wasn't handled correctly. It was trying to
read a file that didn't exist yet.
Instead of unwrapping, we now treat a missing reference file as empty
(`Vec::new`). This makes the following conditional work. We then also
have to re-read the reference file after it was being copied. This
second read is technically the same as in the old shell script, but
wasn't really obvious there. The shell script did a `-s` test which
reads the file as well.
changelog: internal: Fix `cargo dev bless` when new reference files are added
Philipp Hansch [Sat, 19 Dec 2020 07:25:42 +0000 (08:25 +0100)]
Fix blessing of new reference files
Adding of new reference files wasn't handled correctly. It was trying to
read a file that didn't exist yet.
Instead of unwrapping, we now treat a missing reference file as empty
(`Vec::new`). This makes the following conditional work. We then also
have to re-read the reference file after it was being copied. This
second read is technically the same as in the old shell script, but
wasn't really obvious. The shell script did a `-s` test which reads the
file.
```
$ grep -Ri "good first issue" rust-clippy/
rust-clippy/.git/COMMIT_EDITMSG:Renamed the good first issue label in CONTRIBUTING.md
rust-clippy/.git/logs/HEAD:896d82f7ff64644656bda7a4ed8bbd55ca3b76191f58c2bb8a638a63edc1f3503c8771937aa19157 xFrednet <xFrednet@gmail.com> 1608326295 +0000 commit: Renamed the good first issue label for rustbot
rust-clippy/.git/logs/HEAD:9be704584f05e5a6c3ba2708590f98c1f261d19aced54f28671ddb9ccf9b44131d522f4fdeab7097 xFrednet <xFrednet@gmail.com> 1608329602 +0000 commit: Renamed the good first issue label in CONTRIBUTING.md
rust-clippy/.git/logs/refs/heads/0000-rename-good-first-issue-in-docs:896d82f7ff64644656bda7a4ed8bbd55ca3b76191f58c2bb8a638a63edc1f3503c8771937aa19157 xFrednet <xFrednet@gmail.com> 1608326295 +0000 commit: Renamed the good first issue label for rustbot
rust-clippy/.git/logs/refs/heads/0000-rename-good-first-issue-in-docs:9be704584f05e5a6c3ba2708590f98c1f261d19aced54f28671ddb9ccf9b44131d522f4fdeab7097 xFrednet <xFrednet@gmail.com> 1608329602 +0000 commit: Renamed the good first issue label in CONTRIBUTING.md
rust-clippy/CONTRIBUTING.md:Some issues are easier than others. The [`good first issue`] label can be used to find the easy issues.
rust-clippy/CONTRIBUTING.md:[`E-medium`] issues are generally pretty easy too, though it's recommended you work on an [`good first issue`]
rust-clippy/CONTRIBUTING.md:[`good first issue`]: https://github.com/rust-lang/rust-clippy/labels/good%20first%20issue
```
</details>
bors [Fri, 18 Dec 2020 21:25:39 +0000 (21:25 +0000)]
Auto merge of #6468 - xFrednet:0000-rename-good-first-issue-for-rustbot, r=flip1995
Renamed the good first issue label for rustbot
The `good first issue` label got renamed to `good-first-issue`. See [Zulip](https://rust-lang.zulipchat.com/#narrow/stream/257328-clippy/topic/Rename.20the.20.22good.20first.20issue.22.20label.20for.20bot.20usage/near/220428379) to enable the assignment with rustbot.
xFrednet [Fri, 18 Dec 2020 21:18:15 +0000 (21:18 +0000)]
Renamed the good first issue label for rustbot
See https://rust-lang.zulipchat.com/#narrow/stream/257328-clippy/topic/Rename.20the.20.22good.20first.20issue.22.20label.20for.20bot.20usage/near/220428018
Before this change, finding an error when parsing a doctest would make Clippy exit without emitting an error. Now we properly catch a fatal error and ignore it.
Also, if a doctest specifies an edition in the info line, it will be used when parsing it.
bors [Mon, 14 Dec 2020 17:23:51 +0000 (17:23 +0000)]
Auto merge of #6452 - matthiaskrgr:bump_nightly, r=flip1995
bump pinned nightly from nightly-2020-12-09 to nightly-2020-12-14
This should hopefully fix incremental compilation ICEs in rustc that I have encountered multiple times while working with the previously pinned nightly.
Matthias Krüger [Mon, 14 Dec 2020 16:47:05 +0000 (17:47 +0100)]
bump pinned nightly from nightly-2020-12-09 to nightly-2020-12-14
This should hopefully fix incremental compilation ICEs from rustc that I have been encountering multiple times while working with the previous nightly.
bors [Sun, 13 Dec 2020 21:28:38 +0000 (21:28 +0000)]
Auto merge of #6435 - xFrednet:5552-false-positive-match-single-binding, r=ebroto
Fixing a false positive for the `match_single_binding` lint #5552
This is a fix for a false positive in the `match_single_binding` lint when using `#[cfg()]` on a branch. It is sadly a bit hacky but maybe the best solution as rust removes the other branch from the AST before we can even validate it. This fix looks at the code snippet itself and returns if it includes another thick arrow `=>` besides the one matching arm we found. This can again cause false negatives if someone has the following code:
```rust
match x {
// => <-- Causes a false negative
_ => 1,
}
```
I thought about making the code more complex and maybe validating against other things like the `#[cfg()]` macro but I believe that this is the best solution. This has basically switched the issue from a false positive to a false negative in a very specific case.
I'm happy to make some changes if you have any suggestions 🙃.
---
Fixes #5552
changelog: Fixed a false positive in the `match_single_binding` lint with `#[cfg()]` macro
bors [Sun, 13 Dec 2020 18:07:57 +0000 (18:07 +0000)]
Auto merge of #6450 - matthiaskrgr:dont_format_local_repo, r=ebroto
cargo dev fmt: don't format entire rustc repo if we ran ra_setup previously
It turns out that rustfmt sees a rustc repo that we pulled in as path dependency via `cargo dev ra-setup` as part of the tree and would try to format it :D
Of course we don't want this, so skip formatting if we see that we ran `ra-setup` previously.
bors [Sun, 13 Dec 2020 16:37:31 +0000 (16:37 +0000)]
Auto merge of #6441 - ebroto:use_rustflags, r=flip1995
Pass Clippy args also trough RUSTFLAGS
This removes a hack (\_\_CLIPPY_HACKERY\_\_) to add another one :)
It allows this workflow to work:
```terminal
cargo clippy # warning: empty `loop {}` wastes CPU cycles
cargo clippy -- -A clippy::empty_loop # no warnings emitted
```
Before this change the new flag was not taken into consideration in cargo's fingerprint and the warning was emitted again. I guess that ideally we could add a specific env var for compiler wrapper arguments, but in the meantime this should do the job.
changelog: Pass clippy arguments through RUSTFLAGS so that changing them will trigger a rebuild
r? `@flip1995`
cc `@ehuss` (I think this may count as another step towards stabilizing `RUSTC_WORKSPACE_WRAPPER` :smile:)
Fixes #5214 and avoids frustration for users unfamiliar with the issue
bors [Sat, 12 Dec 2020 14:42:28 +0000 (14:42 +0000)]
Auto merge of #6413 - phansch:bless, r=flip1995
Rewrite update-all-references bash scripts in Rust
This replaces the `update-all-references` scripts with a single
cargo dev bless
command. It should behave mostly the same as the bash scripts. The major difference is, that it can be called from the project root and will always update the files in all of the test suites.
bors [Fri, 11 Dec 2020 16:25:13 +0000 (16:25 +0000)]
Auto merge of #6401 - ebroto:pin_to_a_nightly, r=ebroto
📌 Pin Clippy to a nightly 📌
changelog: Pin Clippy to a specific nightly version (No more master/custom toolchain required to compile Clippy)
Addresses partially #5561. As proposed there in [this comment](https://github.com/rust-lang/rust-clippy/issues/5561#issuecomment-623109095), this kicks off the process, to help us get acquainted with how the syncs should work, before working on improving the tooling.
Open questions:
* When performing a rustup, we will need to exclude the commits that were merged that same day, or else wait until that nightly is released. I did not update the documentation about this part, mainly because I'm not sure about how to do that.
* When should we perform the rustups now? My first idea is to do it at the same time we do the clippyups, to have a clear cadence and to avoid the two copies of the repo to diverge enough to make the process painful.
* Who does the rustups now? If we follow my previous idea and do both rustup and clippyup at the same time, it would be more work for `@flip1995` who currently does the clippyups. I would prefer to establish some kind of rotation to spead the work. Other ideas?
* I'm not sure if this affects the release process in any way.
* ???
bors [Fri, 11 Dec 2020 08:38:19 +0000 (08:38 +0000)]
Auto merge of #6424 - Suyash458:master, r=flip1995
Add MSRV to more lints specified in #6097
add MSRV to more lints specified in #6097
add instructions for adding msrv in other lints
update tests
- [x] `redundant_field_names` requires Rust 1.17 due to suggest feature stablized in that version.
- [x] `redundant_static_lifetimes` requires Rust 1.17 due to suggest feature stablized in that version.
- [x] `filter_map_next` requires Rust 1.30 due to suggest `Iterator::find_map`.
- [x] `checked_conversions` requires Rust 1.34 due to suggest `TryFrom`.
- [x] `match_like_matches_macro` requires Rust 1.42 due to suggest `matches!`. Addressed in #6201
- [x] `manual_strip` requires Rust 1.45 due to suggest `str::{strip_prefix, strip_suffix}`. Addressed in #6201
- [x] `option_as_ref_deref` requires Rust 1.40 due to suggest `Option::{as_deref, as_deref_mut}`. Addressed in #6201
- [x] `manual_non_exhaustive` requires Rust 1.40 due to suggest `#[non_exhaustive]`. Addressed in #6201
- [x] `manual_range_contains` requires Rust 1.35 due to suggest `Range*::contains`.
- [x] `use_self` requires Rust 1.37 due to suggest `Self::Variant on enum`.
- [x] `mem_replace_with_default` requires Rust 1.40 due to suggest `mem::take`.
- [x] `map_unwrap_or` requires Rust 1.41 due to suggest `Result::{map_or, map_or_else}`.
- [x] `missing_const_for_fn` requires Rust 1.46 due to `match/if/loop in const fn` needs that version.
changelog: Add MSRV config to more lints. ^This is now the complete list, AFAWK
flip1995 [Thu, 10 Dec 2020 08:36:19 +0000 (09:36 +0100)]
Stop caching on CI
The only thing we now cache is cargo-cache, which we only use for cache.
That's a catch-22 if I ever seen one. And for Clippy itself we always
want to do a clean build and not cache anything.
bors [Wed, 9 Dec 2020 17:08:00 +0000 (17:08 +0000)]
Auto merge of #6218 - korrat:master, r=ebroto
Add lint for maps with zero-sized value types
Hi, this is my first time contributing to clippy or rust in general, so I'm not sure about the details of contributing. Please excuse me and let me now if I did anything wrong. I have a couple of questions:
1. I'm not sure what category this lint should be. I've put it in "nursery" for now.
1. Should I squash commits this is reviewed/merged?
changelog: Add lint for maps with zero-sized value types
bors [Wed, 9 Dec 2020 15:37:20 +0000 (15:37 +0000)]
Auto merge of #6188 - ebroto:primary_package, r=flip1995
Add --no-deps option to avoid running on path dependencies in workspaces
Since rust-lang/cargo#8758 has hit nightly, this allows us to address the second bullet point and [the concern related to `--fix`](https://github.com/rust-lang/cargo/issues/8143#issuecomment-619289546) in the [RUSTC_WORKSPACE_WRAPPER tracking issue](https://github.com/rust-lang/cargo/issues/8143).
As a reminder stabilizing that env var will solve #4612 (Clippy not running after `cargo check` in stable) and would allow to stabilize the `--fix` option in Clippy.
changelog: Add `--no-deps` option to avoid running on path dependencies in workspaces
bors [Sun, 6 Dec 2020 07:18:33 +0000 (07:18 +0000)]
Auto merge of #6421 - xFrednet:4176-unreadable-literal-lint-fractal-option, r=Manishearth
Added a lint-fraction-readability flag to the configuration
This adds an option to disable the `unreadable_literal` lint for floats with a longer fraction. This allows users to write `0.100200300` without getting a warning. Fixes #4176
I have some open questions about this PR:
1. I've named the option `lint-fraction-readability` is this a good name or should I rename it to something else?
2. What should the default configuration value be?
* The current default value is `true` as this was also the previous default.
3. Do I have to document this new option somewhere else or will it be extracted from the code comment?
4. The current fix option will also rewrite the fraction if the integer part violates the `unreadable_literal` lint it would otherwise also trigger the `inconsistent_digit_grouping` lint. Is this also okay?
* `1.100200300` will be unaffected by the fix function
* `100200300.100200300` will be effected and fixed to `100_200_300.100_200_300`
---
The project needed some getting used to but I'm happy with the result. A big thank you to `@flip1995` for giving me some pointers for this implementation and to everyone for the great introduction documentation!
---
changelog: Added the `unreadable-literal-lint-fractions` configuration to disable the `unreadable_literal` lint for fractions
bors [Fri, 4 Dec 2020 01:04:48 +0000 (01:04 +0000)]
Auto merge of #6416 - deg4uss3r:map_err_restricted, r=ebroto
Moved map_err_ignore to restriction and updated help message
This MR moves map_err_ignore lint from `pedantic` to the `restriction` category of lints and updates the help message to give the user an option to ignore the lint by naming the closure variable e.g. `.map_err(|_ignored| ...`
---
changelog: move map_err_ignore to restriction category
bors [Fri, 4 Dec 2020 00:43:00 +0000 (00:43 +0000)]
Auto merge of #6394 - nico-abram:unsafe_sizeof_count_copies, r=ebroto
Add lint size_of_in_element_count
Fixes #6381
changelog: Add lint to check for using size_of::<T> or size_of_val::<T> in the count parameter to ptr::copy or ptr::copy_nonoverlapping, which take a count of Ts (And not a count of bytes)
- \[X] Followed [lint naming conventions][lint_naming]
- \[X] Added passing UI tests (including committed `.stderr` file)
- \[ ] `cargo test` passes locally
- \[X] Executed `cargo dev update_lints`
- \[X] Added lint documentation
- \[X] Run `cargo dev fmt`
Running `cargo test` locally fails with this error:
```
running 1 test
test fmt ... FAILED
failures:
---- fmt stdout ----
status: exit code: 1
stdout:
stderr: error: unable to unlink old fallback exe
error: caused by: Access is denied. (os error 5)
thread 'fmt' panicked at 'Formatting check failed. Run `cargo dev fmt` to update formatting.', tests\fmt.rs:32:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
failures:
fmt
test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
```
unknown [Tue, 1 Dec 2020 00:54:50 +0000 (21:54 -0300)]
Add more functions to size_of_in_element_count
Specifically ptr::{sub, wrapping_sub, add, wrapping_add, offset, wrapping_offset} and slice::{from_raw_parts, from_raw_parts_mut}
The lint now also looks for size_of calls through casts (Since offset takes an isize)
unknown [Thu, 3 Dec 2020 23:55:38 +0000 (20:55 -0300)]
Rename unsafe_sizeof_count_copies to size_of_in_element_count
Also fix review comments:
- Use const arrays and iterate them for the method/function names
- merge 2 if_chain's into one using a rest pattern
- remove unnecessary unsafe block in test
And make the lint only point to the count expression instead of the entire function call
unknown [Sun, 29 Nov 2020 17:23:59 +0000 (14:23 -0300)]
Make the unsafe_sizeof_count_copies lint work with more functions
Specifically:
- find std::ptr::write_bytes
- find std::ptr::swap_nonoverlapping
- find std::ptr::slice_from_raw_parts
- find std::ptr::slice_from_raw_parts_mut
- pointer_primitive::write_bytes