packer-cn/commands.go

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package main
import (
"os"
"os/signal"
"github.com/mitchellh/cli"
"github.com/mitchellh/packer/command"
"github.com/mitchellh/packer/version"
)
// Commands is the mapping of all the available Terraform commands.
var Commands map[string]cli.CommandFactory
// CommandMeta is the Meta to use for the commands. This must be written
// before the CLI is started.
var CommandMeta *command.Meta
const ErrorPrefix = "e:"
const OutputPrefix = "o:"
func init() {
Commands = map[string]cli.CommandFactory{
"build": func() (cli.Command, error) {
return &command.BuildCommand{
Meta: *CommandMeta,
}, nil
},
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"fix": func() (cli.Command, error) {
return &command.FixCommand{
Meta: *CommandMeta,
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}, nil
},
"inspect": func() (cli.Command, error) {
return &command.InspectCommand{
Meta: *CommandMeta,
}, nil
},
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"push": func() (cli.Command, error) {
return &command.PushCommand{
Meta: *CommandMeta,
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}, nil
},
"validate": func() (cli.Command, error) {
return &command.ValidateCommand{
Meta: *CommandMeta,
}, nil
},
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"version": func() (cli.Command, error) {
return &command.VersionCommand{
Meta: *CommandMeta,
Revision: version.GitCommit,
Version: version.Version,
VersionPrerelease: version.VersionPrerelease,
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CheckFunc: commandVersionCheck,
}, nil
},
"plugin": func() (cli.Command, error) {
return &command.PluginCommand{
Meta: *CommandMeta,
}, nil
},
}
}
// makeShutdownCh creates an interrupt listener and returns a channel.
// A message will be sent on the channel for every interrupt received.
func makeShutdownCh() <-chan struct{} {
resultCh := make(chan struct{})
signalCh := make(chan os.Signal, 4)
signal.Notify(signalCh, os.Interrupt)
go func() {
for {
<-signalCh
resultCh <- struct{}{}
}
}()
return resultCh
}