|
| 1 | +use std::fmt::Write; |
| 2 | +use std::{env, iter}; |
| 3 | + |
| 4 | +use anyhow::{bail, Result}; |
| 5 | +use xshell::cmd; |
| 6 | + |
| 7 | +pub(crate) fn get_changelog( |
| 8 | + changelog_n: usize, |
| 9 | + commit: &str, |
| 10 | + prev_tag: &str, |
| 11 | + today: &str, |
| 12 | +) -> Result<String> { |
| 13 | + let git_log = cmd!("git log {prev_tag}..HEAD --merges --reverse").read()?; |
| 14 | + let mut features = String::new(); |
| 15 | + let mut fixes = String::new(); |
| 16 | + let mut internal = String::new(); |
| 17 | + let mut others = String::new(); |
| 18 | + for line in git_log.lines() { |
| 19 | + let line = line.trim_start(); |
| 20 | + if let Some(p) = line.find(':') { |
| 21 | + let pr = &line[..p]; |
| 22 | + if let Ok(pr_num) = pr.parse::<u32>() { |
| 23 | + let accept = "Accept: application/vnd.github.v3+json"; |
| 24 | + let token = match env::var("GITHUB_TOKEN") { |
| 25 | + Ok(token) => token, |
| 26 | + Err(_) => bail!("Please obtain a personal access token from https://github.com/settings/tokens and set the `GITHUB_TOKEN` environment variable."), |
| 27 | + }; |
| 28 | + let authorization = format!("Authorization: token {}", token); |
| 29 | + let pr_url = "https://api.github.com/repos/rust-analyzer/rust-analyzer/issues"; |
| 30 | + |
| 31 | + // we don't use an HTTPS client or JSON parser to keep the build times low |
| 32 | + let pr_json = |
| 33 | + cmd!("curl -s -H {accept} -H {authorization} {pr_url}/{pr}").read()?; |
| 34 | + let pr_title = cmd!("jq .title").stdin(&pr_json).read()?; |
| 35 | + let pr_title = unescape(&pr_title[1..pr_title.len() - 1]); |
| 36 | + let pr_comment = cmd!("jq .body").stdin(pr_json).read()?; |
| 37 | + |
| 38 | + let comments_json = |
| 39 | + cmd!("curl -s -H {accept} -H {authorization} {pr_url}/{pr}/comments").read()?; |
| 40 | + let pr_comments = cmd!("jq .[].body").stdin(comments_json).read()?; |
| 41 | + |
| 42 | + let l = iter::once(pr_comment.as_str()) |
| 43 | + .chain(pr_comments.lines()) |
| 44 | + .rev() |
| 45 | + .find_map(|it| { |
| 46 | + let it = unescape(&it[1..it.len() - 1]); |
| 47 | + it.lines().find_map(parse_changelog_line) |
| 48 | + }) |
| 49 | + .into_iter() |
| 50 | + .next() |
| 51 | + .unwrap_or_else(|| parse_title_line(&pr_title)); |
| 52 | + let s = match l.kind { |
| 53 | + PrKind::Feature => &mut features, |
| 54 | + PrKind::Fix => &mut fixes, |
| 55 | + PrKind::Internal => &mut internal, |
| 56 | + PrKind::Other => &mut others, |
| 57 | + PrKind::Skip => continue, |
| 58 | + }; |
| 59 | + writeln!(s, "* pr:{}[] {}", pr_num, l.message.as_deref().unwrap_or(&pr_title)) |
| 60 | + .unwrap(); |
| 61 | + } |
| 62 | + } |
| 63 | + } |
| 64 | + |
| 65 | + let contents = format!( |
| 66 | + "\ |
| 67 | += Changelog #{} |
| 68 | +:sectanchors: |
| 69 | +:page-layout: post |
| 70 | +
|
| 71 | +Commit: commit:{}[] + |
| 72 | +Release: release:{}[] |
| 73 | +
|
| 74 | +== Sponsors |
| 75 | +
|
| 76 | +**Become a sponsor:** On https://opencollective.com/rust-analyzer/[OpenCollective] or |
| 77 | +https://github.com/sponsors/rust-analyzer[GitHub Sponsors]. |
| 78 | +
|
| 79 | +== New Features |
| 80 | +
|
| 81 | +{} |
| 82 | +
|
| 83 | +== Fixes |
| 84 | +
|
| 85 | +{} |
| 86 | +
|
| 87 | +== Internal Improvements |
| 88 | +
|
| 89 | +{} |
| 90 | +
|
| 91 | +== Others |
| 92 | +
|
| 93 | +{} |
| 94 | +", |
| 95 | + changelog_n, commit, today, features, fixes, internal, others |
| 96 | + ); |
| 97 | + Ok(contents) |
| 98 | +} |
| 99 | + |
| 100 | +#[derive(Clone, Copy)] |
| 101 | +enum PrKind { |
| 102 | + Feature, |
| 103 | + Fix, |
| 104 | + Internal, |
| 105 | + Other, |
| 106 | + Skip, |
| 107 | +} |
| 108 | + |
| 109 | +struct PrInfo { |
| 110 | + message: Option<String>, |
| 111 | + kind: PrKind, |
| 112 | +} |
| 113 | + |
| 114 | +fn unescape(s: &str) -> String { |
| 115 | + s.replace(r#"\""#, "").replace(r#"\n"#, "\n").replace(r#"\r"#, "") |
| 116 | +} |
| 117 | + |
| 118 | +fn parse_changelog_line(s: &str) -> Option<PrInfo> { |
| 119 | + let parts = s.splitn(3, ' ').collect::<Vec<_>>(); |
| 120 | + if parts.len() < 2 || parts[0] != "changelog" { |
| 121 | + return None; |
| 122 | + } |
| 123 | + let message = parts.get(2).map(|it| it.to_string()); |
| 124 | + let kind = match parts[1].trim_end_matches(':') { |
| 125 | + "feature" => PrKind::Feature, |
| 126 | + "fix" => PrKind::Fix, |
| 127 | + "internal" => PrKind::Internal, |
| 128 | + "skip" => PrKind::Skip, |
| 129 | + _ => { |
| 130 | + let kind = PrKind::Other; |
| 131 | + let message = format!("{} {}", parts[1], message.unwrap_or_default()); |
| 132 | + return Some(PrInfo { kind, message: Some(message) }); |
| 133 | + } |
| 134 | + }; |
| 135 | + let res = PrInfo { kind, message }; |
| 136 | + Some(res) |
| 137 | +} |
| 138 | + |
| 139 | +fn parse_title_line(s: &str) -> PrInfo { |
| 140 | + let lower = s.to_ascii_lowercase(); |
| 141 | + const PREFIXES: [(&str, PrKind); 5] = [ |
| 142 | + ("feat: ", PrKind::Feature), |
| 143 | + ("feature: ", PrKind::Feature), |
| 144 | + ("fix: ", PrKind::Fix), |
| 145 | + ("internal: ", PrKind::Internal), |
| 146 | + ("minor: ", PrKind::Skip), |
| 147 | + ]; |
| 148 | + |
| 149 | + for &(prefix, kind) in &PREFIXES { |
| 150 | + if lower.starts_with(prefix) { |
| 151 | + let message = match &kind { |
| 152 | + PrKind::Skip => None, |
| 153 | + _ => Some(s[prefix.len()..].to_string()), |
| 154 | + }; |
| 155 | + return PrInfo { kind, message }; |
| 156 | + } |
| 157 | + } |
| 158 | + PrInfo { kind: PrKind::Other, message: Some(s.to_string()) } |
| 159 | +} |
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