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Remove an advanced layer diff function

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Noticed this while I was poking around in the runtime doing DB
work. The signature of this function makes me a bit uncomfortable
(why should we let people apply arbitrary diffs to layers? Seems
like a good way to break things...) and it's completely unused,
so let's just remove it.

[NO TESTS NEEDED] since this is a pure removal.

Signed-off-by: Matthew Heon <mheon@redhat.com>
This commit is contained in:
Matthew Heon
2021-04-16 11:01:11 -04:00
parent 382b5b81d2
commit db21c1c0ea
1 changed files with 0 additions and 12 deletions
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12
libpod/diff.go
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@ -1,8 +1,6 @@
package libpod
import (
"io"
"github.com/containers/podman/v3/libpod/layers"
"github.com/containers/storage/pkg/archive"
"github.com/pkg/errors"
@ -46,16 +44,6 @@ func (r *Runtime) GetDiff(from, to string) ([]archive.Change, error) {
return rchanges, err
}
// ApplyDiffTarStream applies the changes stored in 'diff' to the layer 'to'
func (r *Runtime) ApplyDiffTarStream(to string, diff io.Reader) error {
toLayer, err := r.getLayerID(to)
if err != nil {
return err
}
_, err = r.store.ApplyDiff(toLayer, diff)
return err
}
// GetLayerID gets a full layer id given a full or partial id
// If the id matches a container or image, the id of the top layer is returned
// If the id matches a layer, the top layer id is returned