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cli/command.go at master · coder/cli · GitHub
This repository was archived by the owner on Oct 17, 2021. It is now read-only.
coder
cli
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command.go
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command.go
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package
cli
import
(
"strings"
"github.com/spf13/pflag"
)
// CommandSpec describes a Command's usage.
//
// It should not list flags.
type
CommandSpec
struct
{
// Name is the name of the command.
// It should be the leaf name of the entire command. E.g `run` for the full
// command `sail run`.
Name
string
// Usage is the command's usage string.
// E.g "[flags] <path>"
Usage
string
// Desc is the description of the command.
// The first line is used as an abbreviated description.
Desc
string
// RawArgs indicates that flags should not be parsed, and they should be deferred
// to the command.
RawArgs
bool
// Hidden indicates that this command should not show up in it's parent's
// subcommand help.
Hidden
bool
// Aliases contains a list of alternative names that can be used for a particular command.
Aliases
[]
string
}
// ShortDesc returns the first line of Desc.
func
(
c
CommandSpec
)
ShortDesc
()
string
{
return
strings
.
Split
(
c
.
Desc
,
"
\n
"
)[
0
]
}
// HasAliases evaluates whether particular command has any alternative names.
func
(
c
CommandSpec
)
HasAliases
()
bool
{
return
len
(
c
.
Aliases
)
>
0
}
// Command describes a command or subcommand.
type
Command
interface
{
// Spec returns metadata about the command.
Spec
()
CommandSpec
// Run invokes the command's main routine with parsed flags.
Run
(
fl
*
pflag.
FlagSet
)
}
// ParentCommand is an optional interface for commands that have subcommands.
//
// A ParentCommand may pass itself into children as it creates them in order to
// pass high-level configuration and state.
type
ParentCommand
interface
{
Subcommands
() []
Command
}
// FlaggedCommand is an optional interface for commands that have flags.
type
FlaggedCommand
interface
{
// RegisterFlags lets the command register flags which be sent to Handle.
RegisterFlags
(
fl
*
pflag.
FlagSet
)
}
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