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-rw-r--r--lib/spack/llnl/util/filesystem.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/spack/llnl/util/filesystem.py b/lib/spack/llnl/util/filesystem.py
index 273840a424..b4bb23d444 100644
--- a/lib/spack/llnl/util/filesystem.py
+++ b/lib/spack/llnl/util/filesystem.py
@@ -456,7 +456,7 @@ def copy_tree(src, dest, symlinks=True, ignore=None, _permissions=False):
if os.path.isdir(s):
mkdirp(d)
else:
- shutil.copyfile(s, d)
+ shutil.copy2(s, d)
if _permissions:
set_install_permissions(d)