feat(ci): promote ci junit-upload from shim to native as a deprecated alias

crates/mergify-ci/Cargo.toml

@@ -13,6 +13,7 @@ publish = false
 chrono = { version = "0.4", default-features = false, features = ["clock", "serde", "std"] }
 flate2 = "1"
 getrandom = "0.3"
+glob = "0.3"
 globset = "0.4"
 mergify-config = { path = "../mergify-config" }
 mergify-core = { path = "../mergify-core" }

crates/mergify-ci/src/detector.rs

@@ -382,6 +382,16 @@ fn non_empty_env(name: &str) -> Option<String> {
     env::var(name).ok().filter(|s| !s.is_empty())
 }
 
+/// Branch the quarantine API should look up tests for. Mirrors
+/// Python's `get_tests_target_branch`: the PR base branch when
+/// available, otherwise the head branch — i.e. "the branch the
+/// tests *will* land on" so quarantine decisions match where
+/// the merge will go.
+#[must_use]
+pub fn get_tests_target_branch() -> Option<String> {
+    get_base_ref_name().or_else(get_head_ref_name)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;