Get rid of username notification checker in merge commit messages

src/bors/mod.rs

@@ -18,7 +18,6 @@ use crate::github::api::client::GithubRepositoryClient;
 use crate::permissions::UserPermissions;
 #[cfg(test)]
 use crate::tests::TestSyncMarker;
-use crate::utils::text::suppress_github_mentions;
 
 mod command;
 pub mod comment;
@@ -128,25 +127,20 @@ pub fn create_merge_commit_message(pr: handlers::PullRequestData, merge_type: Me
         MergeType::Auto => pr.db.approver().unwrap_or("<unknown>"),
     };
 
-    let mut pr_description = suppress_github_mentions(&pr.github.message);
-    match &merge_type {
-        // Strip all PR text for try builds, to avoid useless issue pings on the repository.
+    let pr_description = match &merge_type {
         // Only keep any lines starting with `CUSTOM_TRY_JOB_PREFIX`.
-        MergeType::Try { try_jobs } => {
-            // If we do not have any custom try jobs, keep the ones that might be in the PR
-            // description.
-            pr_description = if try_jobs.is_empty() {
-                pr_description
-                    .lines()
-                    .map(|l| l.trim())
-                    .filter(|l| l.starts_with(CUSTOM_TRY_JOB_PREFIX))
-                    .join("\n")
-            } else {
-                // If we do have custom jobs, ignore the original description completely
-                String::new()
-            };
-        }
-        MergeType::Auto => {}
+        // If we do not have any custom try jobs, keep the ones that might be in the PR
+        // description.
+        MergeType::Try { try_jobs } if try_jobs.is_empty() => pr
+            .github
+            .message
+            .lines()
+            .map(|l| l.trim())
+            .filter(|l| l.starts_with(CUSTOM_TRY_JOB_PREFIX))
+            .join("\n"),
+        // If we do have custom jobs, ignore the original description completely
+        MergeType::Try { .. } => String::new(),
+        MergeType::Auto => pr.github.message.clone(),
     };
 
     let mut message = format!(

src/utils/text.rs

@@ -1,19 +1,5 @@
-use regex::{Captures, Regex};
 use std::borrow::Cow;
 
-/// Replaces github @mentions with backticks to prevent accidental pings
-pub fn suppress_github_mentions(text: &str) -> String {
-    if !text.contains('@') {
-        return text.to_string();
-    }
-
-    let pattern = r"\B(@\S+)";
-
-    let re = Regex::new(pattern).unwrap();
-    re.replace_all(text, |caps: &Captures| format!("`{}`", &caps[1]))
-        .to_string()
-}
-
 /// Pluralizes a piece of text.
 pub fn pluralize(base: &str, count: usize) -> Cow<'_, str> {
     if count == 1 {
@@ -27,16 +13,6 @@ pub fn pluralize(base: &str, count: usize) -> Cow<'_, str> {
 mod tests {
     use super::*;
 
-    #[test]
-    fn test_suppress_github_mentions() {
-        assert_eq!(suppress_github_mentions("r? @matklad\n"), "r? `@matklad`\n");
-        assert_eq!(suppress_github_mentions("@bors r+\n"), "`@bors` r+\n");
-        assert_eq!(
-            suppress_github_mentions("mail@example.com"),
-            "mail@example.com"
-        )
-    }
-
     #[test]
     fn pluralize_zero() {
         assert_eq!(pluralize("foo", 0), "foos");