add --get-login command to podman-login.

Returns user if user is logged-in to the registry.  Returns error
if not logged in with non-zero status code.

Signed-off-by: Theodore Cowan <theodore-cowan@pluralsight.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/docs/podman-login.1.md b/docs/podman-login.1.md
index 7c033d7c5..e72d1deca 100644
--- a/docs/podman-login.1.md
+++ b/docs/podman-login.1.md
@@ -36,6 +36,10 @@ Path of the authentication file. Default is ${XDG_\RUNTIME\_DIR}/containers/auth
 Note: You can also override the default path of the authentication file by setting the REGISTRY\_AUTH\_FILE
 environment variable. `export REGISTRY_AUTH_FILE=path`
 
+**--get-login**
+
+Return the logged-in user for the registry.  Return error if no login is found.
+
 **--cert-dir** *path*
 
 Use certificates at *path* (\*.crt, \*.cert, \*.key) to connect to the registry.