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36 lines
927 B
36 lines
927 B
// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package flags
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import (
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"fmt"
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"os"
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"github.com/jessevdk/go-flags"
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)
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func IsErrHelp(err error) bool {
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ferr, ok := err.(*flags.Error)
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return ok && ferr.Type == flags.ErrHelp
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}
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func HandleFlagsError(err error) {
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if err == nil {
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panic(fmt.Sprintf("expected an error, got %v", err))
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}
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if IsErrHelp(err) {
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os.Exit(0)
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}
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os.Exit(1)
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}
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