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builder: Fix releasing implicit mounts

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2017-05-08 10:32:20 -07:00
parent dda41118b0
commit 29efb93a19
1 changed files with 12 additions and 8 deletions
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20
builder/dockerfile/imagecontext.go
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@ -19,10 +19,11 @@ type pathCache interface {
// imageContexts is a helper for stacking up built image rootfs and reusing
// them as contexts
type imageContexts struct {
b *Builder
list []*imageMount
byName map[string]*imageMount
cache pathCache
b *Builder
list []*imageMount // indexed list of stages
implicitMounts []*imageMount // implicitly mounted images
byName map[string]*imageMount
cache pathCache
}
func (ic *imageContexts) newImageMount(id string) *imageMount {
@ -75,14 +76,17 @@ func (ic *imageContexts) get(indexOrName string) (*imageMount, error) {
if err != nil {
return nil, errors.Wrapf(err, "invalid from flag value %s", indexOrName)
}
ic.implicitMounts = append(ic.implicitMounts, im)
return im, nil
}
func (ic *imageContexts) unmount() (retErr error) {
for _, im := range ic.list {
if err := im.unmount(); err != nil {
logrus.Error(err)
retErr = err
for _, iml := range append([][]*imageMount{}, ic.list, ic.implicitMounts) {
for _, im := range iml {
if err := im.unmount(); err != nil {
logrus.Error(err)
retErr = err
}
}
}
for _, im := range ic.byName {