fix: split matchspec on start of constraint

crates/rattler_repodata_gateway/src/gateway/query.rs

@@ -268,7 +268,7 @@ impl RepoDataQuery {
 
                             for (_, dependencies) in record.package_record.extra_depends.iter() {
                                 for dependency in dependencies {
-                                    let dependency_name = PackageName::new_unchecked(dependency.split_once(' ').unwrap_or((dependency, "")).0);
+                                    let dependency_name = package_name_from_match_spec_str(dependency);
                                     if seen.insert(dependency_name.clone()) {
                                         pending_package_specs.insert(dependency_name.clone(), SourceSpecs::Transitive);
                                     }
@@ -412,3 +412,25 @@ impl IntoFuture for NamesQuery {
         self.execute().boxed()
     }
 }
+
+fn package_name_from_match_spec_str(spec: &str) -> PackageName {
+    let package_name_str = spec
+        .split_once(|c: char| c.is_whitespace() || matches!(c, '>' | '<' | '=' | '!' | '~'))
+        .map_or(spec, |(name, _)| name);
+    PackageName::new_unchecked(package_name_str)
+}
+
+#[cfg(test)]
+mod test {
+    use rstest::*;
+
+    #[rstest]
+    #[case("pillow", "pillow")]
+    #[case("pillow >=10", "pillow")]
+    #[case("pillow>=10,<12", "pillow")]
+    #[case("pillow >=10, <12", "pillow")]
+    fn test_package_name_from_match_spec_str(#[case] spec: &str, #[case] expected: &str) {
+        let package_name = super::package_name_from_match_spec_str(spec);
+        assert_eq!(package_name.as_source(), expected);
+    }
+}