feat(gatsby-cli): enable set packagemanager

integration-tests/gatsby-cli/__tests__/new.js

@@ -2,6 +2,7 @@ import { GatsbyCLI } from "../test-helpers"
 import * as fs from "fs-extra"
 import execa from "execa"
 import { join } from "path"
+import { getConfigStore } from "gatsby-core-utils"
 
 const MAX_TIMEOUT = 30000
 jest.setTimeout(MAX_TIMEOUT)
@@ -13,12 +14,18 @@ const clean = dir => execa(`yarn`, ["del-cli", dir])
 describe(`gatsby new`, () => {
   // make folder for us to create sites into
   const dir = join(__dirname, "../execution-folder")
+  const originalPackageManager = getConfigStore().get("cli.packageManager")
+
   beforeAll(async () => {
     await clean(dir)
     await fs.ensureDir(dir)
+    GatsbyCLI.from(cwd).invoke([`options`, `set`, `pm`, `yarn`])
   })
 
-  afterAll(() => clean(dir))
+  afterAll(async () => {
+    GatsbyCLI.from(cwd).invoke([`options`, `set`,`pm`, originalPackageManager])
+    await clean(dir)
+  })
 
   it(`a default starter creates a gatsby site`, () => {
     const [code, logs] = GatsbyCLI.from(cwd).invoke([`new`, `gatsby-default`])

integration-tests/gatsby-cli/__tests__/options.js

@@ -0,0 +1,14 @@
+import { GatsbyCLI } from "../test-helpers"
+
+const MAX_TIMEOUT = 2147483647
+jest.setTimeout(MAX_TIMEOUT)
+
+describe(`gatsby options`, () => {
+  it(`Prints the options`, () => {
+    const [status, logs] = GatsbyCLI.from(`gatsby-sites/gatsby-build`).invoke(`options`)
+
+    logs.should.contain(`Package Manager`)
+    logs.should.contain(`Telemetry enabled`)
+    expect(status).toBe(0)
+  })
+})

packages/gatsby-cli/src/create-cli.ts

@@ -7,10 +7,17 @@ import { getLocalGatsbyVersion } from "./util/version"
 import envinfo from "envinfo"
 import { sync as existsSync } from "fs-exists-cached"
 import clipboardy from "clipboardy"
-import { trackCli, setDefaultTags, setTelemetryEnabled } from "gatsby-telemetry"
+import {
+  trackCli,
+  setDefaultTags,
+  setTelemetryEnabled,
+  isTrackingEnabled,
+} from "gatsby-telemetry"
 import { initStarter } from "./init-starter"
 import { recipesHandler } from "./recipes"
 import { startGraphQLServer } from "gatsby-recipes"
+import { getPackageManager, setPackageManager } from "./util/package-manager"
+import reporter from "../lib/reporter"
 
 const handlerP = (fn: Function) => (...args: Array<unknown>): void => {
   Promise.resolve(fn(...args)).then(
@@ -144,24 +151,24 @@ function buildLocalCommands(cli: yargs.Argv, isLocalSite: boolean): void {
         .option(`S`, {
           alias: `https`,
           type: `boolean`,
-          describe: `Use HTTPS. See https://www.gatsbyjs.org/docs/local-https/ as a guide`,
+          describe: `Use HTTPS. See https://www.gatsbyjs.com/docs/local-https/ as a guide`,
         })
         .option(`c`, {
           alias: `cert-file`,
           type: `string`,
           default: ``,
-          describe: `Custom HTTPS cert file (also required: --https, --key-file). See https://www.gatsbyjs.org/docs/local-https/`,
+          describe: `Custom HTTPS cert file (also required: --https, --key-file). See https://www.gatsbyjs.com/docs/local-https/`,
         })
         .option(`k`, {
           alias: `key-file`,
           type: `string`,
           default: ``,
-          describe: `Custom HTTPS key file (also required: --https, --cert-file). See https://www.gatsbyjs.org/docs/local-https/`,
+          describe: `Custom HTTPS key file (also required: --https, --cert-file). See https://www.gatsbyjs.com/docs/local-https/`,
         })
         .option(`ca-file`, {
           type: `string`,
           default: ``,
-          describe: `Custom HTTPS CA certificate file (also required: --https, --cert-file, --key-file).  See https://www.gatsbyjs.org/docs/local-https/`,
+          describe: `Custom HTTPS CA certificate file (also required: --https, --cert-file, --key-file).  See https://www.gatsbyjs.com/docs/local-https/`,
         })
         .option(`graphql-tracing`, {
           type: `boolean`,
@@ -174,11 +181,11 @@ function buildLocalCommands(cli: yargs.Argv, isLocalSite: boolean): void {
         })
         .option(`inspect`, {
           type: `number`,
-          describe: `Opens a port for debugging. See https://www.gatsbyjs.org/docs/debugging-the-build-process/`,
+          describe: `Opens a port for debugging. See https://www.gatsbyjs.com/docs/debugging-the-build-process/`,
         })
         .option(`inspect-brk`, {
           type: `number`,
-          describe: `Opens a port for debugging. Will block until debugger is attached. See https://www.gatsbyjs.org/docs/debugging-the-build-process/`,
+          describe: `Opens a port for debugging. Will block until debugger is attached. See https://www.gatsbyjs.com/docs/debugging-the-build-process/`,
         }),
     handler: handlerP(
       getCommandHandler(`develop`, (args: yargs.Arguments, cmd: Function) => {
@@ -347,7 +354,7 @@ function buildLocalCommands(cli: yargs.Argv, isLocalSite: boolean): void {
 
   cli.command({
     command: `repl`,
-    describe: `Get a node repl with context of Gatsby environment, see (https://www.gatsbyjs.org/docs/gatsby-repl/)`,
+    describe: `Get a node repl with context of Gatsby environment, see (https://www.gatsbyjs.com/docs/gatsby-repl/)`,
     handler: getCommandHandler(
       `repl`,
       (args: yargs.Arguments, cmd: Function) => {
@@ -481,39 +488,6 @@ export const createCli = (argv: Array<string>): yargs.Arguments => {
         await initStarter(starterStr, rootPathStr)
       }),
     })
-    .command(`plugin`, `Useful commands relating to Gatsby plugins`, yargs =>
-      yargs
-        .command({
-          command: `docs`,
-          describe: `Helpful info about using and creating plugins`,
-          handler: handlerP(() =>
-            console.log(`
-Using a plugin:
-- What is a Plugin? (https://www.gatsbyjs.org/docs/what-is-a-plugin/)
-- Using a Plugin in Your Site (https://www.gatsbyjs.org/docs/using-a-plugin-in-your-site/)
-- What You Don't Need Plugins For (https://www.gatsbyjs.org/docs/what-you-dont-need-plugins-for/)
-- Loading Plugins from Your Local Plugins Folder (https://www.gatsbyjs.org/docs/loading-plugins-from-your-local-plugins-folder/)
-- Plugin Library (https://www.gatsbyjs.org/plugins/)
-
-Creating a plugin:
-- Naming a Plugin (https://www.gatsbyjs.org/docs/naming-a-plugin/)
-- Files Gatsby Looks for in a Plugin (https://www.gatsbyjs.org/docs/files-gatsby-looks-for-in-a-plugin/)
-- Creating a Generic Plugin (https://www.gatsbyjs.org/docs/creating-a-generic-plugin/)
-- Creating a Local Plugin (https://www.gatsbyjs.org/docs/creating-a-local-plugin/)
-- Creating a Source Plugin (https://www.gatsbyjs.org/docs/creating-a-source-plugin/)
-- Creating a Transformer Plugin (https://www.gatsbyjs.org/docs/creating-a-transformer-plugin/)
-- Submit to Plugin Library (https://www.gatsbyjs.org/contributing/submit-to-plugin-library/)
-- Source Plugin Tutorial (https://www.gatsbyjs.org/tutorial/source-plugin-tutorial/)
-- Maintaining a Plugin (https://www.gatsbyjs.org/docs/maintaining-a-plugin/)
-- Join Discord #plugin-authoring channel to ask questions! (https://gatsby.dev/discord/)
-          `)
-          ),
-        })
-        .demandCommand(
-          1,
-          `Pass --help to see all available commands and options.`
-        )
-    )
     .command({
       command: `telemetry`,
       describe: `Enable or disable Gatsby anonymous analytics collection.`,
@@ -534,6 +508,95 @@ Creating a plugin:
         report.log(`Telemetry collection ${enabled ? `enabled` : `disabled`}`)
       }),
     })
+    .command({
+      command: `plugin [cmd]`,
+      describe: `Useful commands relating to Gatsby plugins`,
+      builder: yargs =>
+        yargs.positional(`cmd`, {
+          choices: [`docs`],
+          describe: "Valid commands include `docs`.",
+          type: `string`,
+        }),
+      handler: handlerP(({ cmd }) => {
+        if (cmd === `docs`) {
+          console.log(`
+      Using a plugin:
+      - What is a Plugin? (https://www.gatsbyjs.com/docs/what-is-a-plugin/)
+      - Using a Plugin in Your Site (https://www.gatsbyjs.com/docs/using-a-plugin-in-your-site/)
+      - What You Don't Need Plugins For (https://www.gatsbyjs.com/docs/what-you-dont-need-plugins-for/)
+      - Loading Plugins from Your Local Plugins Folder (https://www.gatsbyjs.com/docs/loading-plugins-from-your-local-plugins-folder/)
+      - Plugin Library (https://www.gatsbyjs.com/plugins/)
+
+      Creating a plugin:
+      - Naming a Plugin (https://www.gatsbyjs.com/docs/naming-a-plugin/)
+      - Files Gatsby Looks for in a Plugin (https://www.gatsbyjs.com/docs/files-gatsby-looks-for-in-a-plugin/)
+      - Creating a Generic Plugin (https://www.gatsbyjs.com/docs/creating-a-generic-plugin/)
+      - Creating a Local Plugin (https://www.gatsbyjs.com/docs/creating-a-local-plugin/)
+      - Creating a Source Plugin (https://www.gatsbyjs.com/docs/creating-a-source-plugin/)
+      - Creating a Transformer Plugin (https://www.gatsbyjs.com/docs/creating-a-transformer-plugin/)
+      - Submit to Plugin Library (https://www.gatsbyjs.com/contributing/submit-to-plugin-library/)
+      - Source Plugin Tutorial (https://www.gatsbyjs.com/tutorial/source-plugin-tutorial/)
+      - Maintaining a Plugin (https://www.gatsbyjs.com/docs/maintaining-a-plugin/)
+      - Join Discord #plugin-authoring channel to ask questions! (https://gatsby.dev/discord/)
+                 `)
+        } else {
+          console.log(`Current valid subcommands are: 'docs'`) // right now this is hardcoded because we only have a single command
+        }
+      }),
+    })
+    .command({
+      command: `options [cmd] [key] [value]`,
+      describe: `View or set your gatsby-cli configuration settings.`,
+      builder: yargs =>
+        yargs
+          .positional(`cmd`, {
+            choices: [`set`],
+            type: `string`,
+            describe: `Configure your package manager.`,
+          })
+          .positional(`key`, {
+            choices: [`pm`],
+            type: `string`,
+            describe: `Set the package manager \`gatsby new\` is using.`,
+          })
+          .positional(`value`, {
+            choices: [`npm`, `yarn`],
+            type: `string`,
+            describe: `Set package manager as \`npm\` or \`yarn\`.`,
+          }),
+
+      handler: handlerP(({ cmd, key, value }: yargs.Arguments) => {
+        if (!getPackageManager()) {
+          setPackageManager(`npm`)
+        }
+
+        if (cmd === `set`) {
+          if (key === `pm`) {
+            if (value && value !== `yarn` && value !== `npm`) {
+              report.panic(`Package manager must be yarn or npm.`)
+            }
+
+            if (value) {
+              // @ts-ignore
+              setPackageManager(value)
+              return
+            } else {
+              setPackageManager(`npm`)
+            }
+          } else {
+            reporter.warn(
+              `Please pass your desired config key and value. Currently you can only set your package manager using \`pm\`.`
+            )
+          }
+          return
+        }
+
+        console.log(`
+        Package Manager: ${getPackageManager()}
+        Telemetry enabled: ${isTrackingEnabled()}
+        `)
+      }),
+    })
     .wrap(cli.terminalWidth())
     .demandCommand(1, `Pass --help to see all available commands and options.`)
     .strict()

packages/gatsby-cli/src/init-starter.ts

@@ -11,8 +11,7 @@ import prompts from "prompts"
 import url from "url"
 import { updateSiteMetadata } from "gatsby-core-utils"
 import report from "./reporter"
-import { getPackageManager, promptPackageManager } from "./util/package-manager"
-import { isTTY } from "./util/is-tty"
+import { getPackageManager, setPackageManager } from "./util/package-manager"
 import reporter from "../lib/reporter"
 
 const spawnWithArgs = (
@@ -29,26 +28,13 @@ const spawn = (
   const [file, ...args] = cmd.split(/\s+/)
   return spawnWithArgs(file, args, options)
 }
-// Checks the existence of yarn package and user preference if it exists
+// Checks the existence of yarn package
 // We use yarnpkg instead of yarn to avoid conflict with Hadoop yarn
 // Refer to https://github.com/yarnpkg/yarn/issues/673
-const shouldUseYarn = async (): Promise<boolean> => {
+const checkForYarn = async (): Promise<boolean> => {
   try {
     execSync(`yarnpkg --version`, { stdio: `ignore` })
-
-    let packageManager = getPackageManager()
-    if (!packageManager) {
-      // if package manager is not set:
-      //  - prompt user to pick package manager if in interactive console
-      //  - default to yarn if not in interactive console
-      if (isTTY()) {
-        packageManager = (await promptPackageManager()) || `yarn`
-      } else {
-        packageManager = `yarn`
-      }
-    }
-
-    return packageManager === `yarn`
+    return true
   } catch (e) {
     return false
   }
@@ -115,8 +101,16 @@ const install = async (rootPath: string): Promise<void> => {
   process.chdir(rootPath)
 
   try {
-    if (await shouldUseYarn()) {
-      await fs.remove(`package-lock.json`)
+    if (!getPackageManager()) {
+      setPackageManager(`npm`)
+    }
+    if (getPackageManager() === `yarn` && checkForYarn()) {
+      if (await fs.pathExists(`package-lock.json`)) {
+        if (!(await fs.pathExists(`yarn.lock`))) {
+          await spawn(`yarnpkg import`)
+        }
+        await fs.remove(`package-lock.json`)
+      }
       await spawn(`yarnpkg`)
     } else {
       await fs.remove(`yarn.lock`)

scripts/publish-starters.sh

@@ -27,8 +27,8 @@ for folder in $GLOB; do
   cp -r "$BASE/$folder/." .
 
   if [ "$IS_WORKSPACE" = null ]; then
-    rm -rf yarn.lock
-    yarn import # generate a new yarn.lock file based on package-lock.json
+    // we remove yarn.lock, our gatsby new command uses `yarn import` to create it.
+    rm -f yarn.lock
   fi
 
   if [ -n "$(git status --porcelain)" ]; then