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cleanup of docker tag command code

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Signed-off-by: Shishir Mahajan <shishir.mahajan@redhat.com>
This commit is contained in:
Shishir Mahajan 2015-01-23 17:15:35 -05:00
parent 283597ad37
commit 573cd092a5
2 changed files with 1 additions and 27 deletions
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3
graph/service.go
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@ -12,8 +12,7 @@ import (
func (s *TagStore) Install(eng *engine.Engine) error {
for name, handler := range map[string]engine.Handler{
"image_set": s.CmdSet,
"image_tag": s.CmdTag,
"tag": s.CmdTagLegacy, // FIXME merge with "image_tag"
"tag": s.CmdTag,
"image_get": s.CmdGet,
"image_inspect": s.CmdLookup,
"image_tarlayer": s.CmdTarLayer,

25
graph/tag.go
View file

@ -2,34 +2,9 @@ package graph
import (
"github.com/docker/docker/engine"
"github.com/docker/docker/pkg/parsers"
)
// CmdTag assigns a new name and tag to an existing image. If the tag already exists,
// it is changed and the image previously referenced by the tag loses that reference.
// This may cause the old image to be garbage-collected if its reference count reaches zero.
//
// Syntax: image_tag NEWNAME OLDNAME
// Example: image_tag shykes/myapp:latest shykes/myapp:1.42.0
func (s *TagStore) CmdTag(job *engine.Job) engine.Status {
if len(job.Args) != 2 {
return job.Errorf("usage: %s NEWNAME OLDNAME", job.Name)
}
var (
newName = job.Args[0]
oldName = job.Args[1]
)
newRepo, newTag := parsers.ParseRepositoryTag(newName)
// FIXME: Set should either parse both old and new name, or neither.
// the current prototype is inconsistent.
if err := s.Set(newRepo, newTag, oldName, true); err != nil {
return job.Error(err)
}
return engine.StatusOK
}
// FIXME: merge into CmdTag above, and merge "image_tag" and "tag" into a single job.
func (s *TagStore) CmdTagLegacy(job *engine.Job) engine.Status {
if len(job.Args) != 2 && len(job.Args) != 3 {
return job.Errorf("Usage: %s IMAGE REPOSITORY [TAG]\n", job.Name)
}