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commands: add --flags to show all flags

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License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
This commit is contained in:
Christian Couder
2015-10-17 09:11:22 +02:00
parent 4da824c954
commit 3e2016d987
1 changed files with 15 additions and 6 deletions
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21
core/commands/commands.go
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@ -19,8 +19,13 @@ type Command struct {
Name string
Subcommands []Command
Options []cmds.Option
ShowOptions bool
}
const (
flagsOptionName = "flags"
)
// CommandsCmd takes in a root command,
// and returns a command that lists the subcommands in that root
func CommandsCmd(root *cmds.Command) *cmds.Command {
@ -29,10 +34,13 @@ func CommandsCmd(root *cmds.Command) *cmds.Command {
Tagline: "List all available commands.",
ShortDescription: `Lists all available commands (and subcommands) and exits.`,
},
Options: []cmds.Option{
cmds.BoolOption(flagsOptionName, "f", "Show command flags"),
},
Run: func(req cmds.Request, res cmds.Response) {
root := cmd2outputCmd("ipfs", root)
res.SetOutput(&root)
showOptions, _, _ := req.Option(flagsOptionName).Bool();
rootCmd := cmd2outputCmd("ipfs", root, showOptions)
res.SetOutput(&rootCmd)
},
Marshalers: cmds.MarshalerMap{
cmds.Text: func(res cmds.Response) (io.Reader, error) {
@ -48,16 +56,17 @@ func CommandsCmd(root *cmds.Command) *cmds.Command {
}
}
func cmd2outputCmd(name string, cmd *cmds.Command) Command {
func cmd2outputCmd(name string, cmd *cmds.Command, showOptions bool) Command {
output := Command{
Name: name,
Subcommands: make([]Command, len(cmd.Subcommands)),
Options: cmd.Options,
ShowOptions: showOptions,
}
i := 0
for name, sub := range cmd.Subcommands {
output.Subcommands[i] = cmd2outputCmd(name, sub)
output.Subcommands[i] = cmd2outputCmd(name, sub, showOptions)
i++
}
@ -71,7 +80,7 @@ func cmdPathStrings(cmd *Command) []string {
recurse = func(prefix string, cmd *Command) {
newPrefix := prefix + cmd.Name
cmds = append(cmds, newPrefix)
if prefix != "" {
if prefix != "" && cmd.ShowOptions {
for _, option := range cmd.Options {
optName := option.Names()[0]
if len(optName) == 1 {