Merge pull request #1288 from dlintw/1286-improve-import-txz-description

Fixes #1286 improve-import-txz-description

commands.go

@@ -767,7 +767,7 @@ 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")
+	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

docs/sources/commandline/command/import.rst

@@ -12,8 +12,9 @@
 
     Create a new filesystem image from the contents of a tarball
 
-At this time, the URL must start with ``http`` and point to a single file archive (.tar, .tar.gz, .bzip) 
-containing a root filesystem. If you would like to import from a local directory or archive, 
+At this time, the URL must start with ``http`` and point to a single file archive
+(.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz)
+containing a root filesystem. If you would like to import from a local directory or archive,
 you can use the ``-`` parameter to take the data from standard in.
 
 Examples
@@ -30,7 +31,7 @@ Import from a local file
 Import to docker via pipe and standard in
 
 ``$ cat exampleimage.tgz | docker import - exampleimagelocal``
-  
+
 Import from a local directory
 .............................
 

packaging/debian/lxc-docker.1

@@ -923,6 +923,12 @@ List images
 Usage: docker import [OPTIONS] URL|\- [REPOSITORY [TAG]]
 .sp
 Create a new filesystem image from the contents of a tarball
+
+At this time, the URL must start with ``http`` and point to a single file archive
+(.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz)
+containing a root filesystem. If you would like to import from a local directory or archive,
+you can use the ``-`` parameter to take the data from standard in.
+
 .SS info
 .sp
 .nf