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tools/qvm-features: fix handling empty list of features

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Marek Marczykowski-Górecki 2017-01-14 05:02:56 +01:00
parent 98edc9779c
commit 0c43329188
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1 changed files with 4 additions and 0 deletions
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qubes/tools/qvm_features.py
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@ -70,6 +70,10 @@ def main(args=None):
if args.delete: if args.delete:
parser.error('--unset requires a feature') parser.error('--unset requires a feature')
if not vm.features:
# max doesn't like empty list
return 0
width = max(len(feature) for feature in vm.features) width = max(len(feature) for feature in vm.features)
for feature in sorted(vm.features): for feature in sorted(vm.features):
print('{name:{width}s} {value}'.format( print('{name:{width}s} {value}'.format(