diff -r a0587c1b633a -r 66e34bc44280 rust/hg-core/src/checkexec.rs
--- a/rust/hg-core/src/checkexec.rs	Fri Dec 13 16:50:21 2024 +0000
+++ b/rust/hg-core/src/checkexec.rs	Thu Dec 05 13:17:32 2024 +0000
@@ -98,7 +98,10 @@
         leave_file = false;
     };
 
-    let tmp_file = tempfile::NamedTempFile::new_in(checkdir)?;
+    let tmp_file = tempfile::Builder::new()
+        .permissions(std::fs::Permissions::from_mode(0o666))
+        .tempfile_in(checkdir)?;
+
     if !is_executable(tmp_file.path())? {
         make_executable(tmp_file.path())?;
         if is_executable(tmp_file.path())? {