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daemon: update: check len inside public function

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Signed-off-by: Antonio Murdaca <runcom@redhat.com>
This commit is contained in:
Antonio Murdaca 2016-03-15 17:12:20 +01:00
parent daabb45d0a
commit bb05c18892
3 changed files with 7 additions and 6 deletions
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8
builder/dockerfile/internals.go
View file

@ -527,11 +527,9 @@ func (b *Builder) create() (string, error) {
b.tmpContainers[c.ID] = struct{}{}
fmt.Fprintf(b.Stdout, " ---> Running in %s\n", stringid.TruncateID(c.ID))
if len(config.Cmd) > 0 {
// override the entry point that may have been picked up from the base image
if err := b.docker.ContainerUpdateCmdOnBuild(c.ID, config.Cmd); err != nil {
return "", err
}
// override the entry point that may have been picked up from the base image
if err := b.docker.ContainerUpdateCmdOnBuild(c.ID, config.Cmd); err != nil {
return "", err
}
return c.ID, nil

3
daemon/update.go
View file

@ -25,6 +25,9 @@ func (daemon *Daemon) ContainerUpdate(name string, hostConfig *container.HostCon
// ContainerUpdateCmdOnBuild updates Path and Args for the container with ID cID.
func (daemon *Daemon) ContainerUpdateCmdOnBuild(cID string, cmd []string) error {
if len(cmd) == 0 {
return nil
}
c, err := daemon.GetContainer(cID)
if err != nil {
return err

2
registry/registry_test.go
View file

@ -171,7 +171,7 @@ func TestGetRemoteImageJSON(t *testing.T) {
t.Fatal(err)
}
assertEqual(t, size, int64(154), "Expected size 154")
if len(json) <= 0 {
if len(json) == 0 {
t.Fatal("Expected non-empty json")
}