publish-please/lib/validations/git-tag.js

Safe and highly functional replacement for `npm publish`.

'use strict';

const exec = require('cp-sugar').exec;
const confirm = require('../utils/inquires').confirm;

module.exports = {
    option: 'gitTag',
    statusText: 'Validating git tag',
    defaultParam: true,

    configurator(currentVal) {
        return confirm('Would you like to verify that published commit has git tag that ' + 'is equal to the version specified in package.json?', currentVal);
    },
    canRun: () => true,
    run(booleanOrPrefix, pkg) {
        return exec('git describe --exact-match --tags HEAD').catch(() => {
            throw "Latest commit doesn't have git tag.";
        }).then(tag => {
            const version = pkg.version;

            const prefix = typeof booleanOrPrefix === 'boolean' ? 'v' : booleanOrPrefix;

            if (tag !== version && tag !== `${prefix}${version}`) throw `Expected git tag to be '${version}' or '${prefix}${version}', but it was '${tag}'.`;
        });
    }
};