refine flag parsing and add tests - Githubissues

GoogleCloudPlatform / artifact-registry-go-tools

Apache License 2.0

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refine flag parsing and add tests #7

Closed yihanzhen closed 2 years ago

yihanzhen commented 2 years ago

Fix a few bugs in the flag parsing:

return immediately if no subcommand is given
show help text when --help, -help or help exist
error and prompt user to run --help for other input

Also add an integration test for flag parsing.