Update the cp command docs to include archive
@@ -28,6 +28,7 @@ container source to stdout.
Options:
-L, --follow-link Always follow symbol link in SRC_PATH
+ -a, --archive Archive mode (copy all uid/gid information)
--help Print usage
```
@@ -53,7 +54,9 @@ copied recursively with permissions preserved if possible. Ownership is set to
the user and primary group at the destination. For example, files copied to a
container are created with `UID:GID` of the root user. Files copied to the local
machine are created with the `UID:GID` of the user which invoked the `docker cp`
-command. If you specify the `-L` option, `docker cp` follows any symbolic link
+command. However, if you specify the `-a` option, `docker cp` sets the ownership
+to the user and primary group at the source.
+If you specify the `-L` option, `docker cp` follows any symbolic link
in the `SRC_PATH`. `docker cp` does *not* create parent directories for
`DEST_PATH` if they do not exist.
