pack: include contents of directories in files field

__tests__/commands/pack.js

@@ -92,7 +92,7 @@ export async function getFilesFromArchive(source, destination): Promise<Array<st
       .on('error', reject);
   });
   await unzip;
-  const files = await fs.readdir(destination);
+  const files = (await fs.walk(destination)).map(({relative}) => relative);
   return files;
 }
 
@@ -115,10 +115,14 @@ test.concurrent('pack should inlude all files listed in the files array', (): Pr
       path.join(cwd, 'files-include-v1.0.0.tgz'),
       path.join(cwd, 'files-include-v1.0.0'),
     );
-    const expected = ['index.js', 'a.js', 'b.js'];
-    expected.forEach((filename) => {
-      expect(files.indexOf(filename)).toBeGreaterThanOrEqual(0);
-    });
+    expect(files.sort()).toEqual([
+      'a.js',
+      'b.js',
+      'dir',
+      path.join('dir', 'nested.js'),
+      'index.js',
+      'package.json',
+    ]);
   });
 });
 

__tests__/fixtures/pack/files-include/dir/nested.js

@@ -0,0 +1,2 @@
+/* @flow */
+console.log('hello world');

__tests__/fixtures/pack/files-include/package.json

@@ -3,5 +3,5 @@
   "version": "1.0.0",
   "main": "index.js",
   "license": "MIT",
-  "files": ["index.js", "a.js", "b.js"]
+  "files": ["index.js", "a.js", "b.js", "dir/"]
 }

src/cli/commands/pack.js

@@ -9,7 +9,7 @@ import {MessageError} from '../../errors.js';
 
 const zlib = require('zlib');
 const path = require('path');
-const tar = require('tar-stream');
+const tar = require('tar-fs');
 const fs2 = require('fs');
 
 const IGNORE_FILENAMES = [
@@ -54,18 +54,6 @@ const NEVER_IGNORE = ignoreLinesToRegex([
   '!/+(changes|changelog|history)*',
 ]);
 
-function addEntry(packer: any, entry: Object, buffer?: ?Buffer): Promise<void> {
-  return new Promise((resolve, reject) => {
-    packer.entry(entry, buffer, function(err) {
-      if (err) {
-        reject(err);
-      } else {
-        resolve();
-      }
-    });
-  });
-}
-
 export async function pack(config: Config, dir: string): Promise<stream$Duplex> {
   const pkg = await config.readRootManifest();
   const {bundledDependencies, files: onlyFiles} = pkg;
@@ -94,6 +82,7 @@ export async function pack(config: Config, dir: string): Promise<stream$Duplex>
     ];
     lines = lines.concat(
       onlyFiles.map((filename: string): string => `!${filename}`),
+      onlyFiles.map((filename: string): string => `!${path.join(filename, '**')}`),
     );
     const regexes = ignoreLinesToRegex(lines, '.');
     filters = filters.concat(regexes);
@@ -126,46 +115,28 @@ export async function pack(config: Config, dir: string): Promise<stream$Duplex>
   // apply filters
   sortFilter(files, filters, keepFiles, possibleKeepFiles, ignoredFiles);
 
-  const packer = tar.pack();
-  const compressor = packer.pipe(new zlib.Gzip());
-
-  await addEntry(packer, {
-    name: 'package',
-    type: 'directory',
+  const packer = tar.pack(config.cwd, {
+    ignore: (name) => {
+      const relative = path.relative(config.cwd, name);
+      // Don't ignore directories, since we need to recurse inside them to check for unignored files.
+      if (fs2.lstatSync(name).isDirectory()) {
+        const isParentOfKeptFile = Array.from(keepFiles).some((name) =>
+          !path.relative(relative, name).startsWith('..'));
+        return !isParentOfKeptFile;
+      }
+      // Otherwise, ignore a file if we're not supposed to keep it.
+      return !keepFiles.has(relative);
+    },
+    map: (header) => {
+      const suffix = header.name === '.' ? '' : `/${header.name}`;
+      header.name = `package${suffix}`;
+      delete header.uid;
+      delete header.gid;
+      return header;
+    },
   });
 
-  for (const name of keepFiles) {
-    const loc = path.join(config.cwd, name);
-    const stat = await fs.lstat(loc);
-
-    let type: ?string;
-    let buffer: ?Buffer;
-    let linkname: ?string;
-    if (stat.isDirectory()) {
-      type = 'directory';
-    } else if (stat.isFile()) {
-      buffer = await fs.readFileRaw(loc);
-      type = 'file';
-    } else if (stat.isSymbolicLink()) {
-      type = 'symlink';
-      linkname = await fs.readlink(loc);
-    } else {
-      throw new Error();
-    }
-
-    const entry = {
-      name: `package/${name}`,
-      size: stat.size,
-      mode: stat.mode,
-      mtime: stat.mtime,
-      type,
-      linkname,
-    };
-
-    await addEntry(packer, entry, buffer);
-  }
-
-  packer.finalize();
+  const compressor = packer.pipe(new zlib.Gzip());
 
   return compressor;
 }

src/util/filter.js

@@ -99,6 +99,7 @@ export function matchesFilter(filter: IgnoreFilter, basename: string, loc: strin
   }
   return filter.regex.test(loc) ||
          filter.regex.test(`/${loc}`) ||
+         filter.regex.test(`\\${loc}`) ||
          filter.regex.test(basename);
 }
 
@@ -123,6 +124,7 @@ export function ignoreLinesToRegex(lines: Array<string>, base: string = '.'): Ar
 
       // remove trailing slash
       pattern = removeSuffix(pattern, '/');
+      pattern = removeSuffix(pattern, '\\');
 
       const regex: ?RegExp = minimatch.makeRe(pattern, {nocase: true});