feat: add a copy-all script to gatsby-dev-cli (#8066)

* feat: add a copy-all script to gatsby-dev-cli

* style: run lint

* refactor: move localPkg and packages declarations near usage

* fix: copy over gatsby dependencies even as part of not copy all

* refactor: re-use filter for gatsby packages

* chore: remove check that didn't need to happen

packages/gatsby-dev-cli/README.md

@@ -57,3 +57,7 @@ https://github.com/gatsbyjs/gatsby/blob/master/scripts/publish-site.sh.
 
 Don't output anything except for a quit message when used together with
 `--scan-once`.
+
+#### `--copy-all`
+
+Copy all modules/files in the gatsby source repo in packages/

packages/gatsby-dev-cli/src/index.js

@@ -21,6 +21,9 @@ const argv = require(`yargs`)
     `Set path to Gatsby repository.
 You typically only need to configure this once.`
   )
+  .alias(`C`, `copy-all`)
+  .nargs(`C`, 0)
+  .describe(`C`, `Copy all contents in packages/ instead of just gatsby packages`)
   .array(`packages`)
   .describe(`packages`, `Explicitly specify packages to copy`)
   .help(`h`)
@@ -37,14 +40,7 @@ if (!havePackageJsonFile) {
   process.exit()
 }
 
-const localPkg = JSON.parse(fs.readFileSync(`package.json`))
-const packages = Object.keys(
-  _.merge({}, localPkg.dependencies, localPkg.devDependencies)
-)
-
-const gatsbyPackages = packages.filter(p => p.startsWith(`gatsby`))
-
-const pathToRepo = argv[`set-path-to-repo`]
+const pathToRepo = argv.setPathToRepo
 if (pathToRepo) {
   console.log(`Saving path to your Gatsby repo`)
   conf.set(`gatsby-location`, path.resolve(pathToRepo))
@@ -65,7 +61,19 @@ gatsby-dev --set-path-to-repo /path/to/my/cloned/version/gatsby
   process.exit()
 }
 
-if (!argv.packages && _.isEmpty(gatsbyPackages)) {
+const localPkg = JSON.parse(fs.readFileSync(`package.json`))
+let packages = Object.keys(
+  _.merge({}, localPkg.dependencies, localPkg.devDependencies)
+)
+
+if (argv.copyAll) {
+  packages = fs.readdirSync(path.join(gatsbyLocation, `packages`))
+} else {
+  const { dependencies } = JSON.parse(fs.readFileSync(path.join(gatsbyLocation, `packages/gatsby/package.json`)))
+  packages = packages.concat(Object.keys(dependencies)).filter(p => p.startsWith(`gatsby`))
+}
+
+if (!argv.packages && _.isEmpty(packages)) {
   console.error(
     `
 You haven't got any gatsby dependencies into your current package.json
@@ -82,7 +90,7 @@ gatsby-dev will pick them up.
   process.exit()
 }
 
-watch(gatsbyLocation, argv.packages || gatsbyPackages, {
+watch(gatsbyLocation, argv.packages || packages, {
   quiet: argv.quiet,
-  scanOnce: argv[`scan-once`],
+  scanOnce: argv.scanOnce,
 })

packages/gatsby-dev-cli/src/watch.js

@@ -31,6 +31,7 @@ function watch(root, packages, { scanOnce, quiet }) {
     const ignoreRegs = [
       /[/\\]node_modules[/\\]/i,
       /\.git/i,
+      /\.DS_Store/,
       new RegExp(`${p}[\\/\\\\]src[\\/\\\\]`, `i`),
     ]