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Surround mutually exclusive arguments with curly braces
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@ -81,7 +81,7 @@ global_command() {
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# Output from this command must be executable shell code
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shell_command() {
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if [ "$#" -lt "2" ]; then
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echo "Usage: asdf shell <name> <version> | --unset" >&2
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echo "Usage: asdf shell <name> {<version>|--unset}" >&2
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echo 'false'
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exit 1
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fi
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