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-rw-r--r--lib/spack/llnl/util/filesystem.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/spack/llnl/util/filesystem.py b/lib/spack/llnl/util/filesystem.py
index 2b4cbe2424..1a9f6835aa 100644
--- a/lib/spack/llnl/util/filesystem.py
+++ b/lib/spack/llnl/util/filesystem.py
@@ -610,6 +610,8 @@ def chgrp(path, group, follow_symlinks=True):
gid = grp.getgrnam(group).gr_gid
else:
gid = group
+ if os.stat(path).st_gid == gid:
+ return
if follow_symlinks:
os.chown(path, -1, gid)
else: