Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 171 insertions, 0 deletions

diff --git a/src/tools/rust-analyzer/xtask/src/release/changelog.rs b/src/tools/rust-analyzer/xtask/src/release/changelog.rs
new file mode 100644
index 000000000..2647f7794
--- /dev/null
+++ b/src/tools/rust-analyzer/xtask/src/release/changelog.rs
@@ -0,0 +1,171 @@
+use std::fmt::Write;
+use std::{env, iter};
+
+use anyhow::bail;
+use xshell::{cmd, Shell};
+
+pub(crate) fn get_changelog(
+    sh: &Shell,
+    changelog_n: usize,
+    commit: &str,
+    prev_tag: &str,
+    today: &str,
+) -> anyhow::Result<String> {
+    let token = match env::var("GITHUB_TOKEN") {
+        Ok(token) => token,
+        Err(_) => bail!("Please obtain a personal access token from https://github.com/settings/tokens and set the `GITHUB_TOKEN` environment variable."),
+    };
+
+    let git_log = cmd!(sh, "git log {prev_tag}..HEAD --reverse").read()?;
+    let mut features = String::new();
+    let mut fixes = String::new();
+    let mut internal = String::new();
+    let mut others = String::new();
+    for line in git_log.lines() {
+        let line = line.trim_start();
+        if let Some(pr_num) = parse_pr_number(&line) {
+            let accept = "Accept: application/vnd.github.v3+json";
+            let authorization = format!("Authorization: token {}", token);
+            let pr_url = "https://api.github.com/repos/rust-lang/rust-analyzer/issues";
+
+            // we don't use an HTTPS client or JSON parser to keep the build times low
+            let pr = pr_num.to_string();
+            let pr_json =
+                cmd!(sh, "curl -s -H {accept} -H {authorization} {pr_url}/{pr}").read()?;
+            let pr_title = cmd!(sh, "jq .title").stdin(&pr_json).read()?;
+            let pr_title = unescape(&pr_title[1..pr_title.len() - 1]);
+            let pr_comment = cmd!(sh, "jq .body").stdin(pr_json).read()?;
+
+            let comments_json =
+                cmd!(sh, "curl -s -H {accept} -H {authorization} {pr_url}/{pr}/comments").read()?;
+            let pr_comments = cmd!(sh, "jq .[].body").stdin(comments_json).read()?;
+
+            let l = iter::once(pr_comment.as_str())
+                .chain(pr_comments.lines())
+                .rev()
+                .find_map(|it| {
+                    let it = unescape(&it[1..it.len() - 1]);
+                    it.lines().find_map(parse_changelog_line)
+                })
+                .into_iter()
+                .next()
+                .unwrap_or_else(|| parse_title_line(&pr_title));
+            let s = match l.kind {
+                PrKind::Feature => &mut features,
+                PrKind::Fix => &mut fixes,
+                PrKind::Internal => &mut internal,
+                PrKind::Other => &mut others,
+                PrKind::Skip => continue,
+            };
+            writeln!(s, "* pr:{}[] {}", pr_num, l.message.as_deref().unwrap_or(&pr_title)).unwrap();
+        }
+    }
+
+    let contents = format!(
+        "\
+= Changelog #{}
+:sectanchors:
+:page-layout: post
+
+Commit: commit:{}[] +
+Release: release:{}[]
+
+== New Features
+
+{}
+
+== Fixes
+
+{}
+
+== Internal Improvements
+
+{}
+
+== Others
+
+{}
+",
+        changelog_n, commit, today, features, fixes, internal, others
+    );
+    Ok(contents)
+}
+
+#[derive(Clone, Copy)]
+enum PrKind {
+    Feature,
+    Fix,
+    Internal,
+    Other,
+    Skip,
+}
+
+struct PrInfo {
+    message: Option<String>,
+    kind: PrKind,
+}
+
+fn unescape(s: &str) -> String {
+    s.replace(r#"\""#, "").replace(r#"\n"#, "\n").replace(r#"\r"#, "")
+}
+
+fn parse_pr_number(s: &str) -> Option<u32> {
+    const BORS_PREFIX: &str = "Merge #";
+    const HOMU_PREFIX: &str = "Auto merge of #";
+    if s.starts_with(BORS_PREFIX) {
+        let s = &s[BORS_PREFIX.len()..];
+        s.parse().ok()
+    } else if s.starts_with(HOMU_PREFIX) {
+        let s = &s[HOMU_PREFIX.len()..];
+        if let Some(space) = s.find(' ') {
+            s[..space].parse().ok()
+        } else {
+            None
+        }
+    } else {
+        None
+    }
+}
+
+fn parse_changelog_line(s: &str) -> Option<PrInfo> {
+    let parts = s.splitn(3, ' ').collect::<Vec<_>>();
+    if parts.len() < 2 || parts[0] != "changelog" {
+        return None;
+    }
+    let message = parts.get(2).map(|it| it.to_string());
+    let kind = match parts[1].trim_end_matches(':') {
+        "feature" => PrKind::Feature,
+        "fix" => PrKind::Fix,
+        "internal" => PrKind::Internal,
+        "skip" => PrKind::Skip,
+        _ => {
+            let kind = PrKind::Other;
+            let message = format!("{} {}", parts[1], message.unwrap_or_default());
+            return Some(PrInfo { kind, message: Some(message) });
+        }
+    };
+    let res = PrInfo { message, kind };
+    Some(res)
+}
+
+fn parse_title_line(s: &str) -> PrInfo {
+    let lower = s.to_ascii_lowercase();
+    const PREFIXES: [(&str, PrKind); 5] = [
+        ("feat: ", PrKind::Feature),
+        ("feature: ", PrKind::Feature),
+        ("fix: ", PrKind::Fix),
+        ("internal: ", PrKind::Internal),
+        ("minor: ", PrKind::Skip),
+    ];
+
+    for &(prefix, kind) in &PREFIXES {
+        if lower.starts_with(prefix) {
+            let message = match &kind {
+                PrKind::Skip => None,
+                _ => Some(s[prefix.len()..].to_string()),
+            };
+            return PrInfo { message, kind };
+        }
+    }
+    PrInfo { kind: PrKind::Other, message: Some(s.to_string()) }
+}