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30 lines
868 B
Go
30 lines
868 B
Go
// Package cmd is the root package of the various command-line utilities for InfluxDB.
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package cmd
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import "strings"
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// ParseCommandName extracts the command name and args from the args list.
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func ParseCommandName(args []string) (string, []string) {
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// Retrieve command name as first argument.
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var name string
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if len(args) > 0 {
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if !strings.HasPrefix(args[0], "-") {
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name = args[0]
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} else if args[0] == "-h" || args[0] == "-help" || args[0] == "--help" {
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// Special case -h immediately following binary name
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name = "help"
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}
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}
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// If command is "help" and has an argument then rewrite args to use "-h".
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if name == "help" && len(args) > 2 && !strings.HasPrefix(args[1], "-") {
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return args[1], []string{"-h"}
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}
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// If a named command is specified then return it with its arguments.
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if name != "" {
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return name, args[1:]
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}
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return "", args
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}
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