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20 lines
469 B
Go
20 lines
469 B
Go
package cmdutil
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import (
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"fmt"
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"os"
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)
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// HandleError checks err; if non-nil it prints a formatted message to stderr
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// and exits with the given code. Callers can use it as a one-liner:
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//
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// cmdutil.HandleError(os.MkdirAll(dir, 0755), 125, "mkdir %s", dir)
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func HandleError(err error, code int, format string, args ...any) {
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if err == nil {
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return
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}
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msg := fmt.Sprintf(format, args...)
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fmt.Fprintf(os.Stderr, "shellctl: %s: %v\n", msg, err)
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os.Exit(code)
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}
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