balena-cli/lib/actions-oclif/version.ts
Paulo Castro 9d5ecb5f9c Add options to 'balena version' to show Node.js version
Change-type: minor
Signed-off-by: Paulo Castro <paulo@balena.io>
2019-06-27 16:22:26 +01:00

80 lines
2.2 KiB
TypeScript

/**
* @license
* Copyright 2019 Balena Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Command, flags } from '@oclif/command';
import { stripIndent } from 'common-tags';
interface FlagsDef {
all?: boolean;
json?: boolean;
}
export default class VersionCmd extends Command {
public static description = stripIndent`
Display version information for the balena CLI and/or Node.js.
Display version information for the balena CLI and/or Node.js.
If you intend to parse the output, please use the -j option for
JSON output, as its format is more stable.
`;
public static examples = [
'$ balena version',
'$ balena version -a',
'$ balena version -j',
];
public static usage = 'version';
public static flags = {
all: flags.boolean({
char: 'a',
default: false,
description:
'include version information for additional components (Node.js)',
}),
json: flags.boolean({
char: 'j',
default: false,
description:
'output version information in JSON format for programmatic use',
}),
help: flags.help({ char: 'h' }),
};
public async run() {
const { flags: options } = this.parse<FlagsDef, {}>(VersionCmd);
const versions = {
'balena-cli': (await import('../../package.json')).version,
'Node.js':
process.version && process.version.startsWith('v')
? process.version.slice(1)
: process.version,
};
if (options.json) {
console.log(JSON.stringify(versions, null, 4));
} else {
if (options.all) {
console.log(`balena-cli version "${versions['balena-cli']}"`);
console.log(`Node.js version "${versions['Node.js']}"`);
} else {
// backwards compatibility
console.log(versions['balena-cli']);
}
}
}
}