Separate release extraction into two separate steps based on command differences

Author: codyhoag

modules/installation-mirror-repository.adoc

@@ -10,7 +10,7 @@ Mirror the {product-title} image repository to your registry to use during clust
 
 .Prerequisites
 
-* Your mirror host has access to the internet.
+* Your mirror host has access to the Internet.
 * You configured a mirror registry to use in your restricted network and
 can access the certificate and credentials that you configured.
 ifndef::openshift-origin[]
@@ -104,8 +104,8 @@ $ REMOVABLE_MEDIA_PATH=<path> <1>
 <1> Specify the full path, including the initial forward slash (/) character.
 
 . Mirror the version images to the internal container registry:
-** If your mirror host does not have internet access, take the following actions:
-... Connect the removable media to a system that is connected to the internet.
+** If your mirror host does not have Internet access, take the following actions:
+... Connect the removable media to a system that is connected to the Internet.
 ... Review the images and configuration manifests to mirror:
 +
 [source,terminal]
@@ -148,26 +148,32 @@ the `imageContentSources` data that you require when you install your cluster.
 
 ... Record the entire `imageContentSources` section from the output of the previous
 command. The information about your mirrors is unique to your mirrored repository, and you must add the `imageContentSources` section to the `install-config.yaml` file during installation.
-
-
++
 [NOTE]
 ====
 The image name gets patched to Quay.io during the mirroring process, and the podman images will show Quay.io in the registry on the bootstrap virtual machine.
 ====
 
 . To create the installation program that is based on the content that you
 mirrored, extract it and pin it to the release:
+** If your mirror host does not have Internet access, run the following command:
 +
 [source,terminal]
 ----
-$ oc adm -a ${LOCAL_SECRET_JSON} release extract --command=openshift-install "${LOCAL_REGISTRY}/${LOCAL_REPOSITORY}:${OCP_RELEASE}-${ARCHITECTURE}"
+$ oc adm -a ${LOCAL_SECRET_JSON} release extract --command=openshift-install "${LOCAL_REGISTRY}/${LOCAL_REPOSITORY}:${OCP_RELEASE}"
 ----
+** If the local container registry is connected to the mirror host, run the following command:
 +
+[source,terminal]
+----
+$ oc adm -a ${LOCAL_SECRET_JSON} release extract --command=openshift-install "${LOCAL_REGISTRY}/${LOCAL_REPOSITORY}:${OCP_RELEASE}-${ARCHITECTURE}"
+----
+
 [IMPORTANT]
 ====
 To ensure that you use the correct images for the version of {product-title}
 that you selected, you must extract the installation program from the mirrored
 content.
 
-You must perform this step on a machine with an active internet connection.
+You must perform this step on a machine with an active Internet connection.
 ====