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-rw-r--r--lib/spack/spack/cmd/ci.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/spack/spack/cmd/ci.py b/lib/spack/spack/cmd/ci.py
index b8ed1fb27d..87d29506b4 100644
--- a/lib/spack/spack/cmd/ci.py
+++ b/lib/spack/spack/cmd/ci.py
@@ -362,8 +362,10 @@ def ci_rebuild(args):
# Write information about spack into an artifact in the repro dir
spack_info = spack_ci.get_spack_info()
spack_info_file = os.path.join(repro_dir, 'spack_info.txt')
- with open(spack_info_file, 'w') as fd:
- fd.write('\n{0}\n'.format(spack_info))
+ with open(spack_info_file, 'wb') as fd:
+ fd.write(b'\n')
+ fd.write(spack_info.encode('utf8'))
+ fd.write(b'\n')
# If we decided there should be a temporary storage mechanism, add that
# mirror now so it's used when we check for a full hash match already