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add --version flag #113

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merged 2 commits into from
Dec 31, 2018
Merged

add --version flag #113

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e98df6c
add --version flag
hipstersmoothie Dec 31, 2018
6db3b3f
fix tests
hipstersmoothie Dec 31, 2018
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31 changes: 28 additions & 3 deletions src/cli/args.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
import * as fs from 'fs';
import * as path from 'path';

import chalk from 'chalk';
import commandLineArgs from 'command-line-args';
import commandLineUsage from 'command-line-usage';
Expand Down Expand Up @@ -28,12 +31,20 @@ const help: commandLineUsage.OptionDefinition = {
type: Boolean
};

const mainDefinitions: commandLineUsage.OptionDefinition[] = [
const version = {
name: 'version',
alias: 'V',
type: Boolean,
description: "Display auto-release-cli's version"
};

const mainDefinitions = [
{ name: 'command', type: String, defaultOption: true },
{
...help,
description: 'Display the help output. Works on each command as well'
}
},
version
];

const defaultOptions = [
Expand Down Expand Up @@ -371,7 +382,11 @@ function filterCommands(allCommands: ICommand[], include: string[]) {
}

function printRootHelp() {
const options = [...mainDefinitions, ...defaultOptions];
const options = [
{ ...version, group: 'misc' },
...mainDefinitions,
...defaultOptions
];
options.forEach(option => styleTypes({} as ICommand, option));

const usage = commandLineUsage([
Expand Down Expand Up @@ -457,6 +472,12 @@ function printCommandHelp(command: ICommand) {
console.log(commandLineUsage(sections));
}

function printVersion() {
const packagePath = path.join(__dirname, '../../package.json');
const packageJson = JSON.parse(fs.readFileSync(packagePath, 'utf8'));
console.log(`v${packageJson.version}`);
}

function styleTypes(
command: ICommand,
option: commandLineUsage.OptionDefinition
Expand Down Expand Up @@ -489,6 +510,10 @@ export default function parseArgs(testArgs?: string[]) {
const argv = mainOptions._unknown || [];
const command = commands.find(c => c.name === mainOptions.command);

if (!command && mainOptions.version) {
return printVersion();
}

if (!command) {
return printRootHelp();
}
Expand Down