36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package cmdutil
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import (
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"fmt"
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"os"
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"github.com/spf13/cobra"
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"github.com/pulumi/lumi/pkg/diag"
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)
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// RunFunc wraps an error-returning run func with standard Lumi error handling. All Lumi commands should wrap
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// themselves in this to ensure consistent and appropriate error behavior. In particular, we want to avoid any calls to
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// os.Exit in the middle of a callstack which might prohibit reaping of child processes, resources, etc. And we wish to
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// avoid the default Cobra unhandled error behavior, because it is formatted incorrectly and needlessly prints usage.
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func RunFunc(run func(cmd *cobra.Command, args []string) error) func(*cobra.Command, []string) {
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return func(cmd *cobra.Command, args []string) {
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if err := run(cmd, args); err != nil {
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ExitError(err.Error())
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}
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}
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}
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// ExitError issues an error and exits with a standard error exit code.
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func ExitError(msg string, args ...interface{}) {
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ExitErrorCode(-1, msg, args...)
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}
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// ExitErrorCode issues an error and exists with the given error exit code.
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func ExitErrorCode(code int, msg string, args ...interface{}) {
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Diag().Errorf(diag.Message(fmt.Sprintf(msg, args...)))
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os.Exit(code)
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}
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