Flag Addition: --type flag added for docker inspect command

Signed-off-by: Shishir Mahajan <shishir.mahajan@redhat.com>

contrib/completion/bash/docker

@@ -527,11 +527,16 @@ _docker_inspect() {
 		--format|-f)
 			return
 			;;
+		--type)
+                     COMPREPLY=( $( compgen -W "image container" -- "$cur" ) )
+                     return
+                        ;;
+
 	esac
 
 	case "$cur" in
 		-*)
-			COMPREPLY=( $( compgen -W "--format -f --help" -- "$cur" ) )
+			COMPREPLY=( $( compgen -W "--format -f --type --help" -- "$cur" ) )
 			;;
 		*)
 			__docker_containers_and_images

docs/reference/commandline/inspect.md

@@ -17,6 +17,9 @@ weight=1
 
       -f, --format=""    Format the output using the given go template
 
+     --type=container|image  Return JSON for specified type, permissible 
+                             values are "image" or "container"
+
 By default, this will render all results in a JSON array. If a format is
 specified, the given template will be executed for each result.
 

man/docker-inspect.1.md

@@ -8,6 +8,7 @@ docker-inspect - Return low-level information on a container or image
 **docker inspect**
 [**--help**]
 [**-f**|**--format**[=*FORMAT*]]
+[**--type**=*container*|*image*]
 CONTAINER|IMAGE [CONTAINER|IMAGE...]
 
 # DESCRIPTION
@@ -24,8 +25,23 @@ each result.
 **-f**, **--format**=""
     Format the output using the given go template.
 
+**--type**=*container*|*image*
+    Return JSON for specified type, permissible values are "image" or "container"
+
 # EXAMPLES
 
+Getting information on an image where image name conflict with the container name,
+e,g both image and container are named rhel7.
+
+    $ docker inspect --type=image rhel7
+    [
+    {
+     "Id": "fe01a428b9d9de35d29531e9994157978e8c48fa693e1bf1d221dffbbb67b170",
+     "Parent": "10acc31def5d6f249b548e01e8ffbaccfd61af0240c17315a7ad393d022c5ca2",
+     ....
+    }
+    ]
+
 ## Getting information on a container
 
 To get information on a container use its ID or instance name: