Hi George,
$ ./pharo Pharo.image config --help
Command line handler for dealing with Metacello configurations from the command line
Usage: config [--help] <repository url> [<configuration>] [--install[=<version>]] [--group=<group>] [--username=<username>] [--password=<password>][--no-quit][--no-save]
--help show this help message
--no-quit keep the image running after configuration install
--no-save Don't save the image after configuration install
<repository url> A Monticello repository name
<configuration> A valid Metacello Configuration name
<version> A valid version for the given configuration
<group> A valid Metacello group name
<username> An optional username to access the configuration's repository
<password> An optional password to access the configuration's repository
Examples:
# display this help message
pharo Pharo.image config
# list all configurations of a repository
pharo Pharo.image config $MC_REPOS_URL
# list all the available versions of a confgurtation
pharo Pharo.image config $MC_REPOS_URL ConfigurationOfFoo
# install the stable version
pharo Pharo.image config $MC_REPOS_URL ConfigurationOfFoo --install
#install a specific version '1.5'
pharo Pharo.image config $MC_REPOS_URL ConfigurationOfFoo --install=1.5
#install a specific version '1.5' and only a specific group 'Tests'
pharo Pharo.image config $MC_REPOS_URL ConfigurationOfFoo --install=1.5 --group=Tests
In other words: use the options --username and --password after config.
HTH,
Sven