mirror of
https://github.com/balena-io/balena-cli.git
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120 lines
3.0 KiB
CoffeeScript
120 lines
3.0 KiB
CoffeeScript
###
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Copyright 2016-2017 Balena
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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###
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_ = require('lodash')
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capitano = require('capitano')
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columnify = require('columnify')
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messages = require('../utils/messages')
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{ exitWithExpectedError } = require('../utils/patterns')
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parse = (object) ->
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return _.fromPairs _.map(object, (item) ->
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# Hacky way to determine if an object is
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# a function or a command
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if item.alias?
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signature = item.toString()
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else
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signature = item.signature.toString()
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return [
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signature
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item.description
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]).sort()
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indent = (text) ->
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text = _.map text.split('\n'), (line) ->
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return ' ' + line
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return text.join('\n')
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print = (data) ->
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console.log indent columnify data,
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showHeaders: false
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minWidth: 35
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general = (params, options, done) ->
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console.log('Usage: balena [COMMAND] [OPTIONS]\n')
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console.log(messages.reachingOut)
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console.log('\nPrimary commands:\n')
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# We do not want the wildcard command
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# to be printed in the help screen.
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commands = _.reject capitano.state.commands, (command) ->
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return command.hidden or command.isWildcard()
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groupedCommands = _.groupBy commands, (command) ->
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if command.primary
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return 'primary'
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return 'secondary'
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print(parse(groupedCommands.primary))
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if options.verbose
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console.log('\nAdditional commands:\n')
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print(parse(groupedCommands.secondary))
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else
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console.log('\nRun `balena help --verbose` to list additional commands')
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if not _.isEmpty(capitano.state.globalOptions)
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console.log('\nGlobal Options:\n')
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print(parse(capitano.state.globalOptions))
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return done()
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command = (params, options, done) ->
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capitano.state.getMatchCommand params.command, (error, command) ->
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return done(error) if error?
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if not command? or command.isWildcard()
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exitWithExpectedError("Command not found: #{params.command}")
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console.log("Usage: #{command.signature}")
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if command.help?
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console.log("\n#{command.help}")
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else if command.description?
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console.log("\n#{_.capitalize(command.description)}")
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if not _.isEmpty(command.options)
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console.log('\nOptions:\n')
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print(parse(command.options))
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return done()
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exports.help =
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signature: 'help [command...]'
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description: 'show help'
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help: '''
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Get detailed help for an specific command.
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Examples:
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$ balena help apps
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$ balena help os download
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'''
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primary: true
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options: [
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signature: 'verbose'
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description: 'show additional commands'
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boolean: true
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alias: 'v'
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]
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action: (params, options, done) ->
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if params.command?
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command(params, options, done)
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else
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general(params, options, done)
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