gitlabhq/gitlab-shell

// Package command handles command creation and initialization in GitLab Shell.
package command

import (
    "gitlab.com/gitlab-org/gitlab-shell/v14/internal/command"
    "gitlab.com/gitlab-org/gitlab-shell/v14/internal/command/authorizedprincipals"
    "gitlab.com/gitlab-org/gitlab-shell/v14/internal/command/commandargs"
    "gitlab.com/gitlab-org/gitlab-shell/v14/internal/command/readwriter"
    "gitlab.com/gitlab-org/gitlab-shell/v14/internal/command/shared/disallowedcommand"
    "gitlab.com/gitlab-org/gitlab-shell/v14/internal/config"
)

// New creates a new command based on provided arguments, config, and I/O.
func New(arguments []string, config *config.Config, readWriter *readwriter.ReadWriter) (command.Command, error) {
    args, err := Parse(arguments)
    if err != nil {
        return nil, err
    }

    if cmd := build(args, config, readWriter); cmd != nil {
        return cmd, nil
    }

    return nil, disallowedcommand.Error
}

// Parse parses command-line arguments into a CommandArgs structure.
func Parse(arguments []string) (*commandargs.AuthorizedPrincipals, error) {
    args := &commandargs.AuthorizedPrincipals{Arguments: arguments}

    if err := args.Parse(); err != nil {
        return nil, err
    }

    return args, nil
}

func build(args *commandargs.AuthorizedPrincipals, config *config.Config, readWriter *readwriter.ReadWriter) command.Command {
    return &authorizedprincipals.Command{Config: config, Args: args, ReadWriter: readWriter}
}