Add --no-trunc to artifact ls

added a --no-trunc flag to artifact ls, which follows what images has
done.  by default now, the ls output will have the shortened 12
character digest.  the --no-trunc will output the full digest.

Signed-off-by: Brent Baude <bbaude@redhat.com>

cmd/podman/artifact/list.go

@@ -31,7 +31,8 @@ var (
 )
 
 type listFlagType struct {
-	format string
+	format  string
+	noTrunc bool
 }
 
 type artifactListOutput struct {
@@ -54,6 +55,7 @@ func init() {
 	formatFlagName := "format"
 	flags.StringVar(&listFlag.format, formatFlagName, defaultArtifactListOutputFormat, "Format volume output using JSON or a Go template")
 	_ = listCmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(&artifactListOutput{}))
+	flags.BoolVar(&listFlag.noTrunc, "no-trunc", false, "Do not truncate output")
 }
 
 func list(cmd *cobra.Command, _ []string) error {
@@ -95,10 +97,15 @@ func outputTemplate(cmd *cobra.Command, lrs []*entities.ArtifactListReport) erro
 		if err != nil {
 			return err
 		}
-		// TODO when we default to shorter ids, i would foresee a switch
-		// like images that will show the full ids.
+
+		artifactHash := artifactDigest.Encoded()[0:12]
+		// If the user does not want truncated hashes
+		if listFlag.noTrunc {
+			artifactHash = artifactDigest.Encoded()
+		}
+
 		artifacts = append(artifacts, artifactListOutput{
-			Digest:     artifactDigest.Encoded(),
+			Digest:     artifactHash,
 			Repository: named.Name(),
 			Size:       units.HumanSize(float64(lr.Artifact.TotalSizeBytes())),
 			Tag:        tag,

docs/source/markdown/.gitignore

@@ -1,4 +1,5 @@
 podman-artifact-add.1.md
+podman-artifact-ls.1.md
 podman-artifact-pull.1.md
 podman-artifact-push.1.md
 podman-attach.1.md

docs/source/markdown/options/no-trunc.md

@@ -0,0 +1,7 @@
+####> This option file is used in:
+####>   podman artifact ls, images
+####> If file is edited, make sure the changes
+####> are applicable to all of those.
+#### **--no-trunc**
+
+Do not truncate the output (default *false*).

docs/source/markdown/podman-artifact-ls.1.md.in

@@ -29,23 +29,30 @@ Print results with a Go template.
 | .Tag            | Tag of the artifact name                       |
 
 
+@@option no-trunc
 
 ## EXAMPLES
 
 List artifacts in the local store
 ```
 $ podman artifact ls
-REPOSITORY                TAG         DIGEST                                                            SIZE
-quay.io/artifact/foobar1  latest      ab609fad386df1433f461b0643d9cf575560baf633809dcc9c190da6cc3a3c29  2.097GB
-quay.io/artifact/foobar2  special     cd734b558ceb8ccc0281ca76530e1dea1eb479407d3163f75fb601bffb6f73d0  12.58MB
-
-
+REPOSITORY                TAG         DIGEST             SIZE
+quay.io/artifact/foobar1  latest      ab609fad386d       2.097GB
+quay.io/artifact/foobar2  special     cd734b558ceb       12.58MB
 ```
+
+List artifacts in the local store without truncating the digest
+```
+REPOSITORY                TAG         DIGEST                                                              SIZE
+quay.io/artifact/foobar1  latest      ab609fad386df1433f461b0643d9cf575560baf633809dcc9c190da6cc3a3c29    2.097GB
+quay.io/artifact/foobar2  special     cd734b558ceb8ccc0281ca76530e1dea1eb479407d3163f75fb601bffb6f73d0    12.58MB
+```
+
 List artifact digests and size using a --format
 ```
 $ podman artifact ls --format "{{.Digest}} {{.Size}}"
-ab609fad386df1433f461b0643d9cf575560baf633809dcc9c190da6cc3a3c29 2.097GB
-cd734b558ceb8ccc0281ca76530e1dea1eb479407d3163f75fb601bffb6f73d0 12.58MB
+ab609fad386d 2.097GB
+cd734b558ceb 12.58MB
 ```
 
 

docs/source/markdown/podman-images.1.md.in

@@ -106,9 +106,7 @@ Valid placeholders for the Go template are listed below:
 
 Display the history of image names.  If an image gets re-tagged or untagged, then the image name history gets prepended (latest image first).  This is especially useful when undoing a tag operation or an image does not contain any name because it has been untagged.
 
-#### **--no-trunc**
-
-Do not truncate the output (default *false*).
+@@option no-trunc
 
 @@option noheading
 

test/e2e/artifact_test.go

@@ -22,7 +22,7 @@ var _ = Describe("Podman artifact", func() {
 		artifact1File, err := createArtifactFile(4192)
 		Expect(err).ToNot(HaveOccurred())
 		artifact1Name := "localhost/test/artifact1"
-		podmanTest.PodmanExitCleanly([]string{"artifact", "add", artifact1Name, artifact1File}...)
+		add1 := podmanTest.PodmanExitCleanly([]string{"artifact", "add", artifact1Name, artifact1File}...)
 
 		artifact2File, err := createArtifactFile(10240)
 		Expect(err).ToNot(HaveOccurred())
@@ -43,6 +43,18 @@ var _ = Describe("Podman artifact", func() {
 		// Make sure the names are what we expect
 		Expect(output).To(ContainElement(artifact1Name))
 		Expect(output).To(ContainElement(artifact2Name))
+
+		// Check default digest length (should be 12)
+		defaultFormatSession := podmanTest.PodmanExitCleanly([]string{"artifact", "ls", "--format", "{{.Digest}}"}...)
+		defaultOutput := defaultFormatSession.OutputToStringArray()[0]
+		Expect(defaultOutput).To(HaveLen(12))
+
+		// Check with --no-trunc and verify the len of the digest is the same as the len what was returned when the artifact
+		// was added
+		noTruncSession := podmanTest.PodmanExitCleanly([]string{"artifact", "ls", "--no-trunc", "--format", "{{.Digest}}"}...)
+		truncOutput := noTruncSession.OutputToStringArray()[0]
+		Expect(truncOutput).To(HaveLen(len(add1.OutputToString())))
+
 	})
 
 	It("podman artifact simple add", func() {