glance installed whit devstack script doesn't show commands

Hi,

I've installed openstack on Ubuntu 12.04 using devstack script. The installation seems to end successfully, but when i run "$ glance" the output doesn't show commands:
-----------------------------------------------------------------------------------------------------------------------
usage: glance [--insecure] [--timeout TIMEOUT] [--os-username OS_USERNAME]
              [--os-password OS_PASSWORD] [--os-tenant-id OS_TENANT_ID]
              [--os-tenant-name OS_TENANT_NAME] [--os-auth-url OS_AUTH_URL]
              [--os-region-name OS_REGION_NAME]
              [--os-auth-token OS_AUTH_TOKEN] [--os-image-url OS_IMAGE_URL]
              [--os-image-api-version OS_IMAGE_API_VERSION]
              [--os-service-type OS_SERVICE_TYPE]
              [--os-endpoint-type OS_ENDPOINT_TYPE]
              <subcommand> ...

Command-line interface to the OpenStack Images API.

Positional arguments:
  <subcommand>
    image-create
    image-delete Delete a specific image.
    image-list List images.
    image-show Describe a specific image.
    image-update
    member-create
    member-delete
    member-list
    help Display help about this program or one of its
                        subcommands.

Optional arguments:
  --insecure Explicitly allow glanceclient to perform "insecure"
                        SSL (https) requests. The server's certificate will
                        not be verified against any certificate authorities.
                        This option should be used with caution.
  --timeout TIMEOUT Number of seconds to wait for a response
  --os-username OS_USERNAME
                        Defaults to env[OS_USERNAME]
  --os-password OS_PASSWORD
                        Defaults to env[OS_PASSWORD]
  --os-tenant-id OS_TENANT_ID
                        Defaults to env[OS_TENANT_ID]
  --os-tenant-name OS_TENANT_NAME
                        Defaults to env[OS_TENANT_NAME]
  --os-auth-url OS_AUTH_URL
                        Defaults to env[OS_AUTH_URL]
  --os-region-name OS_REGION_NAME
                        Defaults to env[OS_REGION_NAME]
  --os-auth-token OS_AUTH_TOKEN
                        Defaults to env[OS_AUTH_TOKEN]
  --os-image-url OS_IMAGE_URL
                        Defaults to env[OS_IMAGE_URL]
  --os-image-api-version OS_IMAGE_API_VERSION
                        Defaults to env[OS_IMAGE_API_VERSION] or 1
  --os-service-type OS_SERVICE_TYPE
                        Defaults to env[OS_SERVICE_TYPE]
  --os-endpoint-type OS_ENDPOINT_TYPE
                        Defaults to env[OS_ENDPOINT_TYPE]

See "glance help COMMAND" for help on a specific command.
-------------------------------------------------------------------------------------------------

When i install glance from ubuntu packages the output of "$ glance" is:
--------------------------------------------------------------------------------------------------
Usage: glance <command> [options] [args]

Commands:

    help <command> Output help for one of the commands below

    add Adds a new image to Glance

    update Updates an image's metadata in Glance

    delete Deletes an image from Glance

    index Return brief information about images in Glance

    details Return detailed information about images in
                    Glance

    show Show detailed information about an image in
                    Glance

    clear Removes all images and metadata from Glance

Member Commands:

    image-members List members an image is shared with

    member-images List images shared with a member

    member-add Grants a member access to an image

    member-delete Revokes a member's access to an image

    members-replace Replaces all membership for an image

Options:
  --version show program's version number and exit
  -h, --help show this help message and exit
  --silent-upload disable progress bar animation and information during
                        upload
  -v, --verbose Print more verbose output
  -d, --debug Print more verbose output
  -H ADDRESS, --host=ADDRESS
                        Address of Glance API host. Default: 0.0.0.0
  -p PORT, --port=PORT Port the Glance API host listens on. Default: 9292
  --ssl Use SSL when talking to Glance API host
  -U URL, --url=URL URL of Glance service. This option can be used to
                        specify the hostname, port and protocol (http/https)
                        of the glance server, for example -U
                        https://localhost:9292/v1 Default: None. If given,
                        this option will override settings for --host, --port,
                        and --ssl.
  -k, --insecure Explicitly allow glance to perform "insecure" SSL
                        (https) requests. The server's certificate will not be
                        verified against any certificate authorities. This
                        option should be used with caution.
  -A TOKEN, --os_auth_token=TOKEN, --auth_token=TOKEN
                        Authentication token to use to identify the client to
                        the glance server. --auth_tokenis deprecated and will
                        be removed
  -I USER, --os_username=USER
                        User name used to acquire an authentication token
  -K PASSWORD, --os_password=PASSWORD
                        Password used to acquire an authentication token
  -R REGION, --os_region_name=REGION
                        Region name. When using keystone authentication
                        version 2.0 or later this identifies the region name
                        to use when selecting the service endpoint. A region
                        name must be provided if more than one region endpoint
                        is available
  -T TENANT, --os_tenant_name=TENANT
                        Tenant name
  -N AUTH_URL, --os_auth_url=AUTH_URL
                        Authentication URL
  -S STRATEGY, --os_auth_strategy=STRATEGY
                        Authentication strategy (keystone or noauth)
  --limit=LIMIT Page size to use while requesting image metadata
  --marker=MARKER Image index after which to begin pagination
  --sort_key=KEY Sort results by this image attribute.
  --sort_dir=[desc|asc]
                        Sort results in this direction.
  -f, --force Prevent select actions from requesting user
                        confirmation
  --dry-run Don't actually execute the command, just print output
                        showing what WOULD happen.
  --can-share Allow member to further share image.
---------------------------------------------------------------------------------------------------------------

Why is that? I need to add images with the add command in the source installation.

I hope someone can help me.