install_name_tool_temp.patch

From f5635ce86b5cb83ee14727cd2dc71faee6046641 Mon Sep 17 00:00:00 2001
From: Paul Gessinger <[email protected]>
Date: Tue, 26 Nov 2024 15:01:40 +0100
Subject: [PATCH] apply install_name_tool to copy of file

---
 lib/spack/spack/relocate.py | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/spack/spack/relocate.py b/lib/spack/spack/relocate.py
index 627c9e2b05..bfb0d2806b 100644
--- a/lib/spack/spack/relocate.py
+++ b/lib/spack/spack/relocate.py
@@ -6,7 +6,9 @@
 import itertools
 import os
 import re
+import shutil
 import sys
+import tempfile
 from collections import OrderedDict
 from typing import List, Optional
 
@@ -276,9 +278,21 @@ def modify_macho_object(cur_path, rpaths, deps, idpath, paths_to_paths):
     # Deduplicate and flatten
     args = list(itertools.chain.from_iterable(llnl.util.lang.dedupe(args)))
     if args:
-        args.append(str(cur_path))
         install_name_tool = executable.Executable("install_name_tool")
-        install_name_tool(*args)
+
+        tmp_fd, tmp_name = tempfile.mkstemp(
+            dir=os.path.dirname(cur_path), prefix=f"{os.path.basename(cur_path)}."
+        )
+        try:
+            with open(cur_path, "rb") as f, os.fdopen(tmp_fd, "wb", closefd=False) as g:
+                shutil.copyfileobj(f, g)
+            args.append(tmp_name)
+            install_name_tool(*args)
+            with open(tmp_name, "rb") as g, open(cur_path, "wb") as f:
+                shutil.copyfileobj(g, f)
+        finally:
+            os.close(tmp_fd)
+            os.unlink(tmp_name)
 
 
 def macholib_get_paths(cur_path):
-- 
2.39.5 (Apple Git-154)