42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package main
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import (
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"flag"
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"log"
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"os"
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)
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const (
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deprecatedFlagProgOnly = "prog_only"
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deprecatedFlagExecOnly = "exec_only"
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)
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var (
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_ = flag.Bool("prog_only", false, "DEPRECATED (reflect mode) Only generate the reflection program; write it to stdout and exit.")
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_ = flag.String("exec_only", "", "DEPRECATED (reflect mode) If set, execute this reflection program.")
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)
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// notifyAboutDeprecatedFlags prints a warning message for a deprecated flags if they are set.
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func notifyAboutDeprecatedFlags() {
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const resetColorPostfix = "\033[0m"
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logger := initWarningLogger()
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flag.Visit(func(f *flag.Flag) {
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switch f.Name {
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case deprecatedFlagProgOnly:
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logger.Println("The -prog_only flag is deprecated and has no effect.", resetColorPostfix)
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case deprecatedFlagExecOnly:
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logger.Println("The -exec_only flag is deprecated and has no effect.", resetColorPostfix)
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}
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})
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}
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func initWarningLogger() *log.Logger {
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const (
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yellowColor = "\033[33m"
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warningPrefix = yellowColor + "WARNING: "
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)
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return log.New(os.Stdout, warningPrefix, log.Ldate|log.Ltime)
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}
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