image list: return all associated names

cmd/podman/images/list.go

@@ -184,13 +184,26 @@ func sortImages(imageS []*entities.ImageSummary) ([]imageReporter, error) {
 	for _, e := range imageS {
 		var h imageReporter
 		if len(e.RepoTags) > 0 {
+			tagged := []imageReporter{}
+			untagged := []imageReporter{}
 			for _, tag := range e.RepoTags {
 				h.ImageSummary = *e
 				h.Repository, h.Tag, err = tokenRepoTag(tag)
 				if err != nil {
 					return nil, errors.Wrapf(err, "error parsing repository tag %q:", tag)
 				}
-				imgs = append(imgs, h)
+				if h.Tag == "<none>" {
+					untagged = append(untagged, h)
+				} else {
+					tagged = append(tagged, h)
+				}
+			}
+			// Note: we only want to display "<none>" if we
+			// couldn't find any tagged name in RepoTags.
+			if len(tagged) > 0 {
+				imgs = append(imgs, tagged...)
+			} else {
+				imgs = append(imgs, untagged[0])
 			}
 		} else {
 			h.ImageSummary = *e

libpod/image/utils.go

@@ -86,33 +86,6 @@ func hasTransport(image string) bool {
 	return strings.Contains(image, "://")
 }
 
-// ReposToMap parses the specified repotags and returns a map with repositories
-// as keys and the corresponding arrays of tags or digests-as-strings as values.
-func ReposToMap(names []string) (map[string][]string, error) {
-	// map format is repo -> []tag-or-digest
-	repos := make(map[string][]string)
-	for _, name := range names {
-		var repository, tag string
-		if len(name) > 0 {
-			named, err := reference.ParseNormalizedNamed(name)
-			if err != nil {
-				return nil, err
-			}
-			repository = named.Name()
-			if ref, ok := named.(reference.NamedTagged); ok {
-				tag = ref.Tag()
-			} else if ref, ok := named.(reference.Canonical); ok {
-				tag = ref.Digest().String()
-			}
-		}
-		repos[repository] = append(repos[repository], tag)
-	}
-	if len(repos) == 0 {
-		repos["<none>"] = []string{"<none>"}
-	}
-	return repos, nil
-}
-
 // GetAdditionalTags returns a list of reference.NamedTagged for the
 // additional tags given in images
 func GetAdditionalTags(images []string) ([]reference.NamedTagged, error) {

pkg/domain/infra/abi/images_list.go

@@ -23,33 +23,13 @@ func (ir *ImageEngine) List(ctx context.Context, opts entities.ImageListOptions)
 
 	summaries := []*entities.ImageSummary{}
 	for _, img := range images {
-		var repoTags []string
-		if opts.All {
-			pairs, err := libpodImage.ReposToMap(img.Names())
-			if err != nil {
-				return nil, err
-			}
-
-			for repo, tags := range pairs {
-				for _, tag := range tags {
-					repoTags = append(repoTags, repo+":"+tag)
-				}
-			}
-		} else {
-			repoTags, err = img.RepoTags()
-			if err != nil {
-				return nil, err
-			}
-		}
-
 		digests := make([]string, len(img.Digests()))
 		for j, d := range img.Digests() {
 			digests[j] = string(d)
 		}
 
 		e := entities.ImageSummary{
-			ID: img.ID(),
-
+			ID:           img.ID(),
 			ConfigDigest: string(img.ConfigDigest),
 			Created:      img.Created().Unix(),
 			Dangling:     img.Dangling(),
@@ -61,7 +41,7 @@ func (ir *ImageEngine) List(ctx context.Context, opts entities.ImageListOptions)
 			ReadOnly:     img.IsReadOnly(),
 			SharedSize:   0,
 			VirtualSize:  img.VirtualSize,
-			RepoTags:     repoTags,
+			RepoTags:     img.Names(), // may include tags and digests
 		}
 		e.Labels, _ = img.Labels(context.TODO())
 

test/e2e/images_test.go

@@ -241,6 +241,38 @@ WORKDIR /test
 		Expect(result.OutputToStringArray()).Should(HaveLen(0), "dangling image output: %q", result.OutputToString())
 	})
 
+	It("podman pull by digest and list --all", func() {
+		// Prevent regressing on issue #7651.
+		digestPullAndList := func(noneTag bool) {
+			session := podmanTest.Podman([]string{"pull", ALPINEAMD64DIGEST})
+			session.WaitWithDefaultTimeout()
+			Expect(session).Should(Exit(0))
+
+			result := podmanTest.Podman([]string{"images", "--all", ALPINEAMD64DIGEST})
+			result.WaitWithDefaultTimeout()
+			Expect(result).Should(Exit(0))
+
+			found, _ := result.GrepString("<none>")
+			if noneTag {
+				Expect(found).To(BeTrue())
+			} else {
+				Expect(found).To(BeFalse())
+			}
+		}
+		// No "<none>" tag as tagged alpine instances should be present.
+		session := podmanTest.Podman([]string{"pull", ALPINELISTTAG})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		digestPullAndList(false)
+
+		// Now remove all images, re-pull by digest and check for the "<none>" tag.
+		session = podmanTest.Podman([]string{"rmi", "-af"})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+
+		digestPullAndList(true)
+	})
+
 	It("podman check for image with sha256: prefix", func() {
 		session := podmanTest.Podman([]string{"inspect", "--format=json", ALPINE})
 		session.WaitWithDefaultTimeout()