use git_repository as git;use git_repository::bstr::ByteSlice; use crate::commit::Message; #[derive(Debug)]#[cfg_attr(test, derive(PartialEq, Eq))]pub enum Addition {    /// The plain issue ID, like "123".    IssueId(String),} mod additions {    use std::{borrow::Cow, ops::Range};     use crate::commit::message::Addition;     fn cut(mut s: String, Range { start, end }: Range<usize>) -> String {        let part_to_left = &s[..start];        let new_start = part_to_left            .rfind(|c: char| !c.is_whitespace())            .and_then(|p| {                part_to_left                    .is_char_boundary(p + 1)                    .then_some(p + 1)                    .or_else(|| part_to_left[p..].chars().next().map(|c| p + c.len_utf8()))            })            .unwrap_or(start);        let new_end = s[end..]            .find(|c: char| !c.is_whitespace())            .map(|p| p + end)            .unwrap_or(end);        s.replace_range(            new_start..new_end,            if new_end != end && new_start != start { " " } else { "" },        );        s    }     pub fn strip(mut title: Cow<'_, str>) -> (Cow<'_, str>, Vec<Addition>) {        let mut additions = Vec::new();        loop {            let previous_len = title.len();            let issue_sep = "(#";            if let Some((pos, end_pos)) = title.find(issue_sep).and_then(|mut pos| {                pos += issue_sep.len();                title[pos..].find(')').map(|ep| (pos, ep))            }) {                additions.push(Addition::IssueId(title[pos..][..end_pos].to_owned()));                title = cut(title.into_owned(), (pos - issue_sep.len())..(pos + end_pos + 1)).into();            };            if title.len() == previous_len {                break;            }        }        (title, additions)    }     #[cfg(test)]    mod tests {        use super::*;         #[test]        fn no_addition() {            let (nt, a) = strip("hello there [abc] (abc)".into());            assert_eq!(nt, "hello there [abc] (abc)");            assert_eq!(a, vec![]);        }         #[test]        fn strip_multiple_issue_numbers() {            let (nt, a) = strip("(#other) foo (#123) hello (#42)".into());            assert_eq!(nt, "foo hello");            assert_eq!(                a,                vec![                    Addition::IssueId("other".into()),                    Addition::IssueId("123".into()),                    Addition::IssueId("42".into())                ]            );        }    }} impl From<&'_ str> for Message {    fn from(m: &str) -> Self {        let (title, kind, body, breaking, breaking_description) = git_conventional::Commit::parse(m)            .map(|c: git_conventional::Commit<'_>| {                (                    c.description().into(),                    Some(c.type_()),                    c.body().map(Into::into),                    c.breaking(),                    c.breaking_description()                        .and_then(|d| if d == c.description() { None } else { Some(d) }),                )            })            .unwrap_or_else(|_| {                let m = git::objs::commit::MessageRef::from_bytes(m.as_bytes());                (                    m.summary().as_ref().to_string().into(),                    None,                    m.body().map(|b| b.without_trailer().to_str_lossy()),                    false,                    None,                )            });        let (title, additions) = additions::strip(title);        Message {            title: title.into_owned(),            kind: as_static_str(kind),            body: body.map(|b| b.into_owned()),            breaking,            breaking_description: breaking_description.map(ToOwned::to_owned),            additions,        }    }} /// Note that this depends on `crate::changelog::section::segment::Conventional::as_headline_name()`,fn as_static_str(kind: Option<git_conventional::Type<'_>>) -> Option<&'static str> {    kind.map(|kind| match kind.as_str() {        "feat" | "add" | "added" => "feat",        "fix" => "fix",        "revert" | "remove" => "revert",        "docs" => "docs",        "style" => "style",        "refactor" => "refactor",        "change" => "change",        "perf" => "perf",        "test" => "test",        "chore" => "chore",        _ => "other",    })} #[cfg(test)]mod tests {    use super::*;     #[test]    fn no_conventional_no_additions_no_body() {        assert_eq!(            Message::from("hi"),            Message {                title: "hi".into(),                body: None,                kind: None,                breaking: false,                breaking_description: None,                additions: vec![]            }        )    }     #[test]    fn no_conventional_uses_summary() {        assert_eq!(            Message::from("hi\nho\nfoo\n\nbody"),            Message {                title: "hi ho foo".into(),                body: Some("body".into()),                kind: None,                breaking: false,                breaking_description: None,                additions: vec![]            }        )    }     #[test]    fn no_conventional_additions() {        assert_eq!(            Message::from("hi (#14123)\n\nbody\nother\n\nSigned: bar"),            Message {                title: "hi".into(),                body: Some("body\nother".into()),                kind: None,                breaking: false,                breaking_description: None,                additions: vec![Addition::IssueId("14123".into())]            }        )    }     #[test]    fn conventional_with_additions() {        assert_eq!(            Message::from("feat!: hi (#123)\n\nthe body\n\nBREAKING-CHANGE: breaks\n\nSigned: foobar"),            Message {                title: "hi".into(),                body: Some("the body".into()),                kind: Some("feat"),                breaking: true,                breaking_description: Some("breaks".into()),                additions: vec![Addition::IssueId("123".into())]            }        )    }}