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-rw-r--r--lib/spack/spack/cmd/buildcache.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/spack/spack/cmd/buildcache.py b/lib/spack/spack/cmd/buildcache.py
index 1fda884e9a..08e1af311e 100644
--- a/lib/spack/spack/cmd/buildcache.py
+++ b/lib/spack/spack/cmd/buildcache.py
@@ -754,11 +754,12 @@ def save_specfiles(args):
if args.root_specfile:
with open(args.root_specfile) as fd:
root_spec_as_json = fd.read()
+ spec_format = 'yaml' if args.root_specfile.endswith('yaml') else 'json'
else:
root_spec = Spec(args.root_spec)
root_spec.concretize()
root_spec_as_json = root_spec.to_json(hash=ht.build_hash)
- spec_format = 'yaml' if args.root_specfile.endswith('yaml') else 'json'
+ spec_format = 'json'
save_dependency_specfiles(
root_spec_as_json, args.specfile_dir, args.specs.split(), spec_format)