Rollup of 6 pull requests #95789
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Rollup of 6 pull requests #95789
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…jackh726 Add known-bug for rust-lang#95034 Couldn't fix the issue, since I am no type theorist and inference variables in universes above U0 scare me. But I at least wanted to add a known-bug test for it. cc rust-lang#95034 (does not fix)
Mailmap update I noticed there are a lot of contributors who appear multiple times in https://thanks.rust-lang.org/rust/all-time/, which makes their "rank" on that page inaccurate. For example Nick Cameron currently appears at rank 21 with 2010 contributions and at rank 27 with 1287 contributions, because some of those are from nrc&rust-lang#8288;`@ncameron.org` and some from ncameron&rust-lang#8288;`@mozilla.com.` In reality Nick's rank would be 11 if counted correctly, which is a large difference. Solving this in a totally automated way is tricky because it involves figuring out whether Nick is 1 person with multiple emails, or is 2 people sharing the same name. This PR addresses a subset of the cases: only where a person has committed under multiple names using the same email. This is still not something that can be totally automated (e.g. by modifying https://github.com/rust-lang/thanks to dedup by email instead of name+email) because: - Some emails are not necessarily unique to one contributor, such as `ubuntu@localhost`. - It involves some judgement and mindfulness in picking the "canonical name" among the names used with a particular email. This is the name that will appear on thanks.rust-lang.org. Humans change their names sometimes and can be sensitive or picky about the use of names that are no longer preferred. For the purpose of this PR, I've tried to stick to the following heuristics which should be unobjectionable: - If one of the names is currently set as the display name on the contributor's GitHub profile, prefer that name. - If one of the names is used exclusively over the others in chronologically newer pull requests, prefer the newest name. - If one of the names has whitespace and the other doesn't (i.e. is username-like), such as `Foo Bar` vs `FooBar` or `foobar` or `foo-bar123`, but otherwise closely resemble one another, then prefer the human-like name. - If none of the above suffice in determining a canonical name and the contributor has some other name set on their GitHub profile, use the name from the GitHub profile. - If no name on their GitHub profile but the profile links to their personal website which unambiguously identifies their preferred name, then use that name. I'm also thinking about how to handle cases like Nick's, but that will be a project for a different PR. Basically I'd like to be able to find cases of the same person making commits that differ in name *and* email by looking at all the commits present in pull requests opened by the same GitHub user. <details> <summary>script</summary> ```toml [dependencies] anyhow = "1.0" git2 = "0.14" mailmap = "0.1" ``` ```rust use anyhow::{bail, Context, Result}; use git2::{Commit, Oid, Repository}; use mailmap::{Author, Mailmap}; use std::collections::{BTreeMap as Map, BTreeSet as Set}; use std::fmt::{self, Debug}; use std::fs; use std::path::Path; const REPO: &str = "/git/rust"; fn main() -> Result<()> { let repo = Repository::open(REPO)?; let head_oid = repo .head()? .target() .context("expected head to be a direct reference")?; let head = repo.find_commit(head_oid)?; let mailmap_path = Path::new(REPO).join(".mailmap"); let mailmap_contents = fs::read_to_string(mailmap_path)?; let mailmap = match Mailmap::from_string(mailmap_contents) { Ok(mailmap) => mailmap, Err(box_error) => bail!("{}", box_error), }; let mut history = Set::new(); let mut merges = Vec::new(); let mut authors = Set::new(); let mut emails = Map::new(); let mut all_authors = Set::new(); traverse_left(head, &mut history, &mut merges, &mut authors, &mailmap)?; while let Some((commit, i)) = merges.pop() { let right = commit.parents().nth(i).unwrap(); authors.clear(); traverse_left(right, &mut history, &mut merges, &mut authors, &mailmap)?; for author in &authors { all_authors.insert(author.clone()); if !author.email.is_empty() { emails .entry(author.email.clone()) .or_insert_with(Map::new) .entry(author.name.clone()) .or_insert_with(Set::new); } } if let Some(summary) = commit.summary() { if let Some(pr) = parse_summary(summary)? { for author in &authors { if !author.email.is_empty() { emails .get_mut(&author.email) .unwrap() .get_mut(&author.name) .unwrap() .insert(pr); } } } } } for (email, names) in emails { if names.len() > 1 { println!("<{}>", email); for (name, prs) in names { let prs = DebugSet(prs.iter().rev()); println!(" {} {:?}", name, prs); } } } eprintln!("{} commits", history.len()); eprintln!("{} authors", all_authors.len()); Ok(()) } fn traverse_left<'repo>( mut commit: Commit<'repo>, history: &mut Set<Oid>, merges: &mut Vec<(Commit<'repo>, usize)>, authors: &mut Set<Author>, mailmap: &Mailmap, ) -> Result<()> { loop { let oid = commit.id(); if !history.insert(oid) { return Ok(()); } let author = author(mailmap, &commit); let is_bors = author.name == "bors" && author.email == "bors@rust-lang.org"; if !is_bors { authors.insert(author); } let mut parents = commit.parents(); let parent = match parents.next() { Some(parent) => parent, None => return Ok(()), }; for i in 1..1 + parents.len() { merges.push((commit.clone(), i)); } commit = parent; } } fn parse_summary(summary: &str) -> Result<Option<PullRequest>> { let mut rest = None; for prefix in [ "Auto merge of #", "Merge pull request #", " Manual merge of #", "auto merge of #", "auto merge of pull req #", "rollup merge of #", "Rollup merge of #", "Rollup merge of #", "Rollup merge of ", "Merge PR #", "Merge #", "Merged #", ] { if summary.starts_with(prefix) { rest = Some(&summary[prefix.len()..]); break; } } let rest = match rest { Some(rest) => rest, None => return Ok(None), }; let end = rest.find([' ', ':']).unwrap_or(rest.len()); let number = match rest[..end].parse::<u32>() { Ok(number) => number, Err(err) => { eprintln!("{}", summary); bail!(err); } }; Ok(Some(PullRequest(number))) } fn author(mailmap: &Mailmap, commit: &Commit) -> Author { let signature = commit.author(); let name = String::from_utf8_lossy(signature.name_bytes()).into_owned(); let email = String::from_utf8_lossy(signature.email_bytes()).into_owned(); mailmap.canonicalize(&Author { name, email }) } #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq)] struct PullRequest(u32); impl Debug for PullRequest { fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { write!(formatter, "#{}", self.0) } } struct DebugSet<T>(T); impl<T> Debug for DebugSet<T> where T: Iterator + Clone, T::Item: Debug, { fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { formatter.debug_set().entries(self.0.clone()).finish() } } ``` </details>
Don't report numeric inference ambiguity when we have previous errors Fixes rust-lang#95648
…isDenton make windows compat_fn (crudely) work on Miri With rust-lang#95469, Windows `compat_fn!` now has to be supported by Miri to even make stdout work. Unfortunately, it relies on some outside-of-Rust linker hacks (`#[link_section = ".CRT$XCU"]`) that are rather hard to make work in Miri. So I came up with this crude hack to make this stuff work in Miri regardless. It should come at no cost for regular executions, so I hope this is okay. Cc rust-lang#95627 `@ChrisDenton`
…=oli-obk interpret: err instead of ICE on size mismatches in to_bits_or_ptr_internal We did this a while ago already for `to_i32()` and friends, but missed this one. That became quite annoying when I was debugging an ICE caused by `read_pointer` in a Miri shim where the code was passing an argument at the wrong type. Having `scalar_to_ptr` be fallible is consistent with all the other `Scalar::to_*` methods being fallible. I added `unwrap` only in code outside the interpreter, which is no worse off than before now in terms of panics. r? `@oli-obk`
reword panic vs result section to remove recoverable vs unrecoverable framing Based on feedback from the Error Handling FAQ: rust-lang/project-error-handling#50 (comment) r? `@dtolnay`
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@bors r+ rollup=never p=5 |
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📌 Commit b9f844b has been approved by |
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⌛ Testing commit b9f844b with merge 745f324a00a31d0e826bae8c46c0cb83498e1b5b... |
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💥 Test timed out |
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@bors retry |
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@bors r- |
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Successful merges:
Copy" #95034)Failed merges:
r? @ghost
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