32 lines
860 B
Go
32 lines
860 B
Go
//go:build unix
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package localnetworkhelper
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import (
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"github.com/cirruslabs/chacha/pkg/localnetworkhelper"
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"github.com/spf13/cobra"
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)
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func NewCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: localnetworkhelper.CommandName,
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Short: "Run the macOS \"Local Network\" permission helper process",
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Hidden: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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// In localnetworkhelper.New(), a macOS "Local Network"
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// permission helper process is spawned and receives
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// its socketpair(2) end via ExtraFiles field of Golang's
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// exec.Cmd[1].
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//
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// This socketpair(2) end becomes FD number 3 here,
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// according to the ExtraFiles documentation[1]:
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//
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// >If non-nil, entry i becomes file descriptor 3+i.
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//
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// [1]: https://pkg.go.dev/os/exec#Cmd
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return localnetworkhelper.Serve(3)
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},
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}
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return cmd
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}
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