Merge pull request #10836 from Luap99/diff

podman diff accept two images or containers

4 files changed, 26 insertions, 24 deletions

diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 47fa553ce..2c5300ccb 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -858,16 +858,26 @@ func (ic *ContainerEngine) ContainerListExternal(ctx context.Context) ([]entitie
 	return ps.GetExternalContainerLists(ic.Libpod)
 }
 
-// ContainerDiff provides changes to given container
-func (ic *ContainerEngine) ContainerDiff(ctx context.Context, nameOrID string, opts entities.DiffOptions) (*entities.DiffReport, error) {
+// Diff provides changes to given container
+func (ic *ContainerEngine) Diff(ctx context.Context, namesOrIDs []string, opts entities.DiffOptions) (*entities.DiffReport, error) {
+	var (
+		base   string
+		parent string
+	)
 	if opts.Latest {
 		ctnr, err := ic.Libpod.GetLatestContainer()
 		if err != nil {
 			return nil, errors.Wrap(err, "unable to get latest container")
 		}
-		nameOrID = ctnr.ID()
+		base = ctnr.ID()
+	}
+	if len(namesOrIDs) > 0 {
+		base = namesOrIDs[0]
+		if len(namesOrIDs) > 1 {
+			parent = namesOrIDs[1]
+		}
 	}
-	changes, err := ic.Libpod.GetDiff("", nameOrID)
+	changes, err := ic.Libpod.GetDiff(parent, base, opts.Type)
 	return &entities.DiffReport{Changes: changes}, err
 }
 
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index 5992181d3..6d1acb590 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -403,14 +403,6 @@ func (ir *ImageEngine) Import(ctx context.Context, options entities.ImageImportO
 	return &entities.ImageImportReport{Id: imageID}, nil
 }
 
-func (ir *ImageEngine) Diff(_ context.Context, nameOrID string, _ entities.DiffOptions) (*entities.DiffReport, error) {
-	changes, err := ir.Libpod.GetDiff("", nameOrID)
-	if err != nil {
-		return nil, err
-	}
-	return &entities.DiffReport{Changes: changes}, nil
-}
-
 func (ir *ImageEngine) Search(ctx context.Context, term string, opts entities.ImageSearchOptions) ([]entities.ImageSearchReport, error) {
 	filter, err := libimage.ParseSearchFilter(opts.Filters)
 	if err != nil {
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index c02e36804..56315f46f 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -765,8 +765,18 @@ func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.Conta
 	return &report, err
 }
 
-func (ic *ContainerEngine) ContainerDiff(ctx context.Context, nameOrID string, _ entities.DiffOptions) (*entities.DiffReport, error) {
-	changes, err := containers.Diff(ic.ClientCtx, nameOrID, nil)
+func (ic *ContainerEngine) Diff(ctx context.Context, namesOrIDs []string, opts entities.DiffOptions) (*entities.DiffReport, error) {
+	var base string
+	options := new(containers.DiffOptions).WithDiffType(opts.Type.String())
+	if len(namesOrIDs) > 0 {
+		base = namesOrIDs[0]
+		if len(namesOrIDs) > 1 {
+			options.WithParent(namesOrIDs[1])
+		}
+	} else {
+		return nil, errors.New("no arguments for diff")
+	}
+	changes, err := containers.Diff(ic.ClientCtx, base, options)
 	return &entities.DiffReport{Changes: changes}, err
 }
 
diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go
index 42027a2dc..db4e14aba 100644
--- a/pkg/domain/infra/tunnel/images.go
+++ b/pkg/domain/infra/tunnel/images.go
@@ -299,16 +299,6 @@ func (ir *ImageEngine) Save(ctx context.Context, nameOrID string, tags []string,
 	return utils2.UntarToFileSystem(opts.Output, f, nil)
 }
 
-// Diff reports the changes to the given image
-func (ir *ImageEngine) Diff(ctx context.Context, nameOrID string, _ entities.DiffOptions) (*entities.DiffReport, error) {
-	options := new(images.DiffOptions)
-	changes, err := images.Diff(ir.ClientCtx, nameOrID, options)
-	if err != nil {
-		return nil, err
-	}
-	return &entities.DiffReport{Changes: changes}, nil
-}
-
 func (ir *ImageEngine) Search(ctx context.Context, term string, opts entities.ImageSearchOptions) ([]entities.ImageSearchReport, error) {
 	mappedFilters := make(map[string][]string)
 	filters, err := libimage.ParseSearchFilter(opts.Filters)