Add examples for Cobra

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

First pass of entries for the Examples listed in the Cobra
Help.  Will add others in following PR's.

cmd/podman/commit.go

@@ -33,7 +33,9 @@ var (
 			commitCommand.GlobalFlags = MainGlobalOpts
 			return commitCmd(&commitCommand)
 		},
-		Example: "CONTAINER [REPOSITORY[:TAG]]",
+		Example: `podman commit -q --message "committing container to image" reverent_golick image-commited
+  podman commit -q --author "firstName lastName" reverent_golick image-commited
+  podman commit -q --pause=false containerID image-commited`,
 	}
 )
 

cmd/podman/common.go

@@ -514,7 +514,7 @@ Aliases:
   {{.NameAndAliases}}{{end}}{{if .HasExample}}
 
 Examples:
-{{.Example}}{{end}}{{if .HasAvailableSubCommands}}
+  {{.Example}}{{end}}{{if .HasAvailableSubCommands}}
 
 Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
   {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}

cmd/podman/create.go

@@ -49,7 +49,9 @@ var (
 			createCommand.GlobalFlags = MainGlobalOpts
 			return createCmd(&createCommand)
 		},
-		Example: "IMAGE [COMMAND [ARG...]]",
+		Example: `podman create alpine ls
+  podman create --annotation HELLO=WORLD alpine ls
+  podman create -t -i --name myctr alpine ls`,
 	}
 
 	defaultEnvVariables = map[string]string{

cmd/podman/exists.go

@@ -41,7 +41,7 @@ var (
 			imageExistsCommand.GlobalFlags = MainGlobalOpts
 			return imageExistsCmd(&imageExistsCommand)
 		},
-		Example: "IMAGE-NAME",
+		Example: `podman image exists imageID`,
 	}
 
 	_containerExistsCommand = &cobra.Command{
@@ -54,7 +54,7 @@ var (
 			return containerExistsCmd(&containerExistsCommand)
 
 		},
-		Example: "CONTAINER-NAME",
+		Example: `podman container exists containerID`,
 	}
 
 	_podExistsCommand = &cobra.Command{
@@ -66,7 +66,7 @@ var (
 			podExistsCommand.GlobalFlags = MainGlobalOpts
 			return podExistsCmd(&podExistsCommand)
 		},
-		Example: "POD-NAME",
+		Example: `podman pod exists podID`,
 	}
 )
 

cmd/podman/info.go

@@ -26,7 +26,7 @@ var (
 			infoCommand.GlobalFlags = MainGlobalOpts
 			return infoCmd(&infoCommand)
 		},
-		Example: "",
+		Example: `podman info`,
 	}
 )
 

cmd/podman/inspect.go

@@ -34,7 +34,9 @@ var (
 			inspectCommand.GlobalFlags = MainGlobalOpts
 			return inspectCmd(&inspectCommand)
 		},
-		Example: "CONTAINER-OR-IMAGE [CONTAINER-OR-IMAGE]...",
+		Example: `podman inspect alpine
+  podman inspect --format "imageId: {{.Id}} size: {{.Size}}" alpine
+  podman inspect --format "image: {{.ImageName}} driver: {{.Driver}}" myctr`,
 	}
 )
 

cmd/podman/login.go

@@ -29,7 +29,9 @@ var (
 			loginCommand.GlobalFlags = MainGlobalOpts
 			return loginCmd(&loginCommand)
 		},
-		Example: "REGISTRY",
+		Example: `podman login -u testuser -p testpassword localhost:5000
+  podman login --authfile authdir/myauths.json quay.io
+  podman login -u testuser -p testpassword localhost:5000`,
 	}
 )
 

cmd/podman/pod_inspect.go

@@ -23,7 +23,7 @@ var (
 			podInspectCommand.GlobalFlags = MainGlobalOpts
 			return podInspectCmd(&podInspectCommand)
 		},
-		Example: "[POD_NAME_OR_ID]",
+		Example: `podman pod inspect podID`,
 	}
 )
 

cmd/podman/pod_rm.go

@@ -26,7 +26,9 @@ If --force is specified, all containers will be stopped, then removed.
 			podRmCommand.GlobalFlags = MainGlobalOpts
 			return podRmCmd(&podRmCommand)
 		},
-		Example: "[POD ...]",
+		Example: `podman pod rm mywebserverpod
+  podman pod rm -f 860a4b23
+  podman pod rm -f -a`,
 	}
 )