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moby--moby/daemon/changes.go

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package daemon
import (
"github.com/docker/docker/engine"
)
func (daemon *Daemon) ContainerChanges(job *engine.Job) engine.Status {
if n := len(job.Args); n != 1 {
return job.Errorf("Usage: %s CONTAINER", job.Name)
}
name := job.Args[0]
if container := daemon.Get(name); container != nil {
outs := engine.NewTable("", 0)
changes, err := container.Changes()
if err != nil {
return job.Error(err)
}
for _, change := range changes {
out := &engine.Env{}
if err := out.Import(change); err != nil {
return job.Error(err)
}
outs.Add(out)
}
if _, err := outs.WriteListTo(job.Stdout); err != nil {
return job.Error(err)
}
} else {
return job.Errorf("No such container: %s", name)
}
return engine.StatusOK
}