chore: use short names for repository commands (oras-project#670)

Resolves: oras-project#667

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

cmd/oras/copy.go → cmd/oras/cp.go

@@ -45,27 +45,27 @@ type copyOptions struct {
 func copyCmd() *cobra.Command {
 	var opts copyOptions
 	cmd := &cobra.Command{
-		Use:     "copy [flags] <from>{:<tag>|@<digest>} <to>[:<tag>[,<tag>][...]]",
-		Aliases: []string{"cp"},
+		Use:     "cp [flags] <from>{:<tag>|@<digest>} <to>[:<tag>[,<tag>][...]]",
+		Aliases: []string{"copy"},
 		Short:   "[Preview] Copy artifacts from one target to another",
 		Long: `[Preview] Copy artifacts from one target to another
 
 ** This command is in preview and under development. **
 
 Example - Copy the artifact tagged with 'v1' from repository 'localhost:5000/net-monitor' to repository 'localhost:5000/net-monitor-copy' 
-  oras copy localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1
+  oras cp localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1
 
 Example - Copy the artifact tagged with 'v1' and its referrers from repository 'localhost:5000/net-monitor' to 'localhost:5000/net-monitor-copy'
-  oras copy -r localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1
+  oras cp -r localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1
 
 Example - Copy the artifact tagged with 'v1' from repository 'localhost:5000/net-monitor' to 'localhost:5000/net-monitor-copy' with certain platform
-  oras copy --platform linux/arm/v5 localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1 
+  oras cp --platform linux/arm/v5 localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1 
 
 Example - Copy the artifact tagged with 'v1' from repository 'localhost:5000/net-monitor' to 'localhost:5000/net-monitor-copy' with multiple tags
-  oras copy localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1,tag2,tag3
+  oras cp localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1,tag2,tag3
 
 Example - Copy the artifact tagged with 'v1' from repository 'localhost:5000/net-monitor' to 'localhost:5000/net-monitor-copy' with multiple tags and concurrency level tuned
-  oras copy --concurrency 6 localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1,tag2,tag3
+  oras cp --concurrency 6 localhost:5000/net-monitor:v1 localhost:5000/net-monitor-copy:v1,tag2,tag3
 `,
 		Args: cobra.ExactArgs(2),
 		RunE: func(cmd *cobra.Command, args []string) error {

cmd/oras/repository/cmd.go

@@ -19,9 +19,9 @@ import (
 
 func Cmd() *cobra.Command {
 	cmd := &cobra.Command{
-		Use:     "repository [command]",
+		Use:     "repo [command]",
 		Short:   "[Preview] Repository operations",
-		Aliases: []string{"repo"},
+		Aliases: []string{"repository"},
 	}
 
 	cmd.AddCommand(

cmd/oras/repository/list.go → cmd/oras/repository/ls.go

@@ -32,20 +32,20 @@ type repositoryOptions struct {
 func listCmd() *cobra.Command {
 	var opts repositoryOptions
 	cmd := &cobra.Command{
-		Use:   "list [flags] <registry>",
+		Use:   "ls [flags] <registry>",
 		Short: "[Preview] List the repositories under the registry",
 		Long: `[Preview] List the repositories under the registry
 
 ** This command is in preview and under development. **
 
 Example - List the repositories under the registry:
-  oras repository list localhost:5000
+  oras repo ls localhost:5000
 
 Example - List the repositories under the registry that include values lexically after last:
-  oras repository list --last "last_repo" localhost:5000
+  oras repo ls --last "last_repo" localhost:5000
 `,
 		Args:    cobra.ExactArgs(1),
-		Aliases: []string{"ls"},
+		Aliases: []string{"list"},
 		RunE: func(cmd *cobra.Command, args []string) error {
 			opts.hostname = args[0]
 			return listRepository(opts)

cmd/oras/repository/show-tags.go → cmd/oras/repository/tags.go

@@ -35,23 +35,23 @@ type showTagsOptions struct {
 func showTagsCmd() *cobra.Command {
 	var opts showTagsOptions
 	cmd := &cobra.Command{
-		Use:   "show-tags [flags] <name>",
+		Use:   "tags [flags] <name>",
 		Short: "[Preview] Show tags of the target repository",
 		Long: `[Preview] Show tags of the target repository
 
 ** This command is in preview and under development. **
 
 Example - Show tags of the target repository:
-  oras repository show-tags localhost:5000/hello
+  oras repo tags localhost:5000/hello
 
 Example - Show tags in the target repository with digest-like tags hidden:
-  oras repository show-tags --exclude-digest-tag localhost:5000/hello
+  oras repo tags --exclude-digest-tag localhost:5000/hello
 
 Example - Show tags of the target repository that include values lexically after last:
-  oras repository show-tags --last "last_tag" localhost:5000/hello
+  oras repo tags --last "last_tag" localhost:5000/hello
 `,
 		Args:    cobra.ExactArgs(1),
-		Aliases: []string{"tags"},
+		Aliases: []string{"show-tags"},
 		RunE: func(cmd *cobra.Command, args []string) error {
 			opts.targetRef = args[0]
 			return showTags(opts)