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The module, the script entrypoints and Makefile, Docker-only linting, the mnemonic sources in the specified order with their refusals, the BIP-85 derivation, and keyfunc ssh pub and priv with the README test vectors as tests. Two review rounds; the second passed with no findings. Model: opus-5 (implementation and review); fable-5-1 (landing)
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
// Package options holds the flags that every command has and reads
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// them back.
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package options
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import (
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"fmt"
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"git.eeqj.de/sneak/keyfunc/internal/mnemonic"
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"github.com/spf13/cobra"
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)
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// Add gives a command the flags that every command has. They are
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// persistent, so every command below it has them too.
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func Add(cmd *cobra.Command) {
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cmd.PersistentFlags().String(
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"mnemonic-command", "",
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"shell command whose output is the mnemonic",
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)
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cmd.PersistentFlags().Uint32P(
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"index", "n", 0,
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"which key to derive",
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)
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}
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// Index returns the key index the user asked for.
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func Index(cmd *cobra.Command) (uint32, error) {
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index, err := cmd.Flags().GetUint32("index")
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if err != nil {
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return 0, fmt.Errorf("reading the index: %w", err)
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}
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return index, nil
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}
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// Mnemonic returns the mnemonic, from the first source that has one.
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func Mnemonic(cmd *cobra.Command) (string, error) {
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command, err := cmd.Flags().GetString("mnemonic-command")
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if err != nil {
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return "", fmt.Errorf("reading the mnemonic command: %w", err)
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}
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return mnemonic.Read(cmd.Context(), command)
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}
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