conert docker (commit|import|tag) to use REPOSITORY[:TAG] (and repove support for REPOSITORY TAG)

commands.go

@@ -904,7 +904,7 @@ func (cli *DockerCli) CmdKill(args ...string) error {
 }
 
 func (cli *DockerCli) CmdImport(args ...string) error {
-	cmd := Subcmd("import", "URL|- [REPOSITORY [TAG]]", "Create a new filesystem image from the contents of a tarball(.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz).")
+	cmd := Subcmd("import", "URL|- [REPOSITORY[:TAG]]", "Create a new filesystem image from the contents of a tarball(.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz).")
 
 	if err := cmd.Parse(args); err != nil {
 		return nil
@@ -913,7 +913,8 @@ func (cli *DockerCli) CmdImport(args ...string) error {
 		cmd.Usage()
 		return nil
 	}
-	src, repository, tag := cmd.Arg(0), cmd.Arg(1), cmd.Arg(2)
+	src := cmd.Arg(0)
+	repository, tag := utils.ParseRepositoryTag(cmd.Arg(1))
 	v := url.Values{}
 	v.Set("repo", repository)
 	v.Set("tag", tag)
@@ -1230,14 +1231,16 @@ func (cli *DockerCli) CmdPs(args ...string) error {
 }
 
 func (cli *DockerCli) CmdCommit(args ...string) error {
-	cmd := Subcmd("commit", "[OPTIONS] CONTAINER [REPOSITORY [TAG]]", "Create a new image from a container's changes")
+	cmd := Subcmd("commit", "[OPTIONS] CONTAINER [REPOSITORY[:TAG]]", "Create a new image from a container's changes")
 	flComment := cmd.String("m", "", "Commit message")
 	flAuthor := cmd.String("author", "", "Author (eg. \"John Hannibal Smith <hannibal@a-team.com>\"")
 	flConfig := cmd.String("run", "", "Config automatically applied when the image is run. "+`(ex: {"Cmd": ["cat", "/world"], "PortSpecs": ["22"]}')`)
 	if err := cmd.Parse(args); err != nil {
 		return nil
 	}
-	name, repository, tag := cmd.Arg(0), cmd.Arg(1), cmd.Arg(2)
+	name := cmd.Arg(0)
+	repository, tag := utils.ParseRepositoryTag(cmd.Arg(1))
+
 	if name == "" {
 		cmd.Usage()
 		return nil
@@ -1515,7 +1518,7 @@ func (opts PathOpts) Set(val string) error {
 }
 
 func (cli *DockerCli) CmdTag(args ...string) error {
-	cmd := Subcmd("tag", "[OPTIONS] IMAGE REPOSITORY [TAG]", "Tag an image into a repository")
+	cmd := Subcmd("tag", "[OPTIONS] IMAGE REPOSITORY[:TAG]", "Tag an image into a repository")
 	force := cmd.Bool("f", false, "Force")
 	if err := cmd.Parse(args); err != nil {
 		return nil
@@ -1526,10 +1529,10 @@ func (cli *DockerCli) CmdTag(args ...string) error {
 	}
 
 	v := url.Values{}
-	v.Set("repo", cmd.Arg(1))
-	if cmd.NArg() == 3 {
-		v.Set("tag", cmd.Arg(2))
-	}
+	repository, tag := utils.ParseRepositoryTag(cmd.Arg(1))
+
+	v.Set("repo", repository)
+	v.Set("tag", tag)
 
 	if *force {
 		v.Set("force", "1")

docs/sources/commandline/cli.rst

@@ -133,7 +133,6 @@ to the ``docker`` daemon.  ``ADD`` doesn't work when running in this
 mode because the absence of the context provides no source files to
 copy to the container.
 
-
 .. code-block:: bash
 
     sudo docker build github.com/creack/docker-firefox
@@ -151,7 +150,7 @@ by using the ``git://`` schema.
 
 ::
 
-    Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY [TAG]]
+    Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
 
     Create a new image from a container's changes
 
@@ -160,7 +159,26 @@ by using the ``git://`` schema.
       -run="": Configuration to be applied when the image is launched with `docker run`.
                (ex: '{"Cmd": ["cat", "/world"], "PortSpecs": ["22"]}')
 
-Full -run example (multiline is ok within a single quote ``'``)
+Simple commit of an existing container
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: bash
+
+	$ docker ps
+	ID                  IMAGE               COMMAND             CREATED             STATUS              PORTS
+	c3f279d17e0a        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                             
+	197387f1b436        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                             
+	$ docker commit c3f279d17e0a  SvenDowideit/testimage:version3
+	f5283438590d
+	$ docker images | head
+	REPOSITORY                        TAG                 ID                  CREATED             SIZE
+	SvenDowideit/testimage            version3            f5283438590d        16 seconds ago      204.2 MB (virtual 335.7 MB)
+	S
+
+Full -run example
+.................
+
+(multiline is ok within a single quote ``'``)
 
 ::
 
@@ -317,7 +335,7 @@ Displaying images visually
 
 ::
 
-    Usage: docker import URL|- [REPOSITORY [TAG]]
+    Usage: docker import URL|- [REPOSITORY[:TAG]]
 
     Create a new filesystem image from the contents of a tarball
 
@@ -333,14 +351,16 @@ Examples
 Import from a remote location
 .............................
 
-``$ sudo docker import http://example.com/exampleimage.tgz exampleimagerepo``
+This will create a new untagged image.
+
+``$ sudo docker import http://example.com/exampleimage.tgz``
 
 Import from a local file
 ........................
 
 Import to docker via pipe and standard in
 
-``$ cat exampleimage.tgz | sudo docker import - exampleimagelocal``
+``$ cat exampleimage.tgz | sudo docker import - exampleimagelocal:new``
 
 Import from a local directory
 .............................
@@ -716,7 +736,7 @@ The main process inside the container will receive SIGTERM, and after a grace pe
 
 ::
 
-    Usage: docker tag [OPTIONS] IMAGE REPOSITORY [TAG]
+    Usage: docker tag [OPTIONS] IMAGE REPOSITORY[:TAG]
 
     Tag an image into a repository