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main.go
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main.go
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package main
import (
"fmt"
"strings"
commander "github.com/bluec0re/go-commander"
prompt "github.com/c-bata/go-prompt"
)
func addBuild(c commander.Commander, cb func(string, string) error) {
c.AddCommand(commander.Command{
Cmd: "build",
ArgumentComplete: func(args ...string) []prompt.Suggest {
if len(args) == 0 {
return commander.SimpleSuggestions("windows", "linux")
}
switch args[0] {
case "linux":
return commander.SimpleSuggestions("x86", "x64", "arm")
case "windows":
return commander.SimpleSuggestions("x86", "x64")
default:
return []prompt.Suggest{}
}
},
RunCallback: func(cr commander.Commander, c commander.Command, args []string) error {
env := "default"
if len(cr.PrefixArgs()) > 0 {
env = cr.PrefixArgs()[0]
}
return cb(env, strings.Join(args, "-"))
},
Validate: func(args []string) bool {
if len(args) < 2 {
return false
}
switch args[0] {
case "linux":
switch args[1] {
case "x86", "x64", "arm":
return true
default:
return false
}
case "windows":
switch args[1] {
case "x86", "x64":
return true
default:
return false
}
default:
return false
}
},
})
}
func build(env string, target string) error {
fmt.Printf("Building for %s in %s\n", target, env)
if env == "prod" {
return fmt.Errorf("Compile error: %s", "out of memory")
}
return nil
}
func main() {
subcommander := commander.New("%s>")
addBuild(subcommander, build)
c := commander.New(">>> ")
c.AddCommand(commander.Command{
Cmd: "env",
ArgumentComplete: func(...string) []prompt.Suggest {
return []prompt.Suggest{
prompt.Suggest{
Text: "prod",
},
prompt.Suggest{
Text: "dev",
},
}
},
SubCommander: subcommander,
Options: []string{"prod", "dev"},
})
addBuild(c, build)
c.Run()
}