47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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package cmd
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import (
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"log"
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"os"
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)
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// checkRootAlias compares the first argument provided in the CLI with a list of
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// subcmds and aliases. If no match is found, the first alias of rootCmd is added.
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func checkRootAlias() {
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l := len(rootCmd.Aliases)
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if l == 0 {
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return
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}
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if l > 1 {
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log.Printf("rootCmd.Aliases should contain a single string. '%s' is used.\n", rootCmd.Aliases[0])
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}
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if len(os.Args) > 1 {
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for _, v := range append(nonRootSubCmds(), []string{"--help", "--version"}...) {
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if os.Args[1] == v {
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return
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}
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}
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}
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os.Args = append([]string{os.Args[0], rootCmd.Aliases[0]}, os.Args[1:]...)
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}
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// nonRootSubCmds traverses the list of subcommands of rootCmd and returns a string
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// slice containing the names and aliases of all the subcmds, except the one defined
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// in the Aliases field of rootCmd.
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func nonRootSubCmds() (l []string) {
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for _, c := range rootCmd.Commands() {
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isAlias := false
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for _, a := range append(c.Aliases, c.Name()) {
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if a == rootCmd.Aliases[0] {
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isAlias = true
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break
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}
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}
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if !isAlias {
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l = append(l, c.Name())
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l = append(l, c.Aliases...)
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}
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}
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return
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}
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