Include fs stats and mode in zip archive, fix "too many open files" error

packages/artifact/__tests__/upload-artifact.test.ts

@@ -31,15 +31,18 @@ describe('upload-artifact', () => {
       .mockReturnValue([
         {
           sourcePath: '/home/user/files/plz-upload/file1.txt',
-          destinationPath: 'file1.txt'
+          destinationPath: 'file1.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/file2.txt',
-          destinationPath: 'file2.txt'
+          destinationPath: 'file2.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/dir/file3.txt',
-          destinationPath: 'dir/file3.txt'
+          destinationPath: 'dir/file3.txt',
+          stats: new fs.Stats()
         }
       ])
 
@@ -139,15 +142,18 @@ describe('upload-artifact', () => {
       .mockReturnValue([
         {
           sourcePath: '/home/user/files/plz-upload/file1.txt',
-          destinationPath: 'file1.txt'
+          destinationPath: 'file1.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/file2.txt',
-          destinationPath: 'file2.txt'
+          destinationPath: 'file2.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/dir/file3.txt',
-          destinationPath: 'dir/file3.txt'
+          destinationPath: 'dir/file3.txt',
+          stats: new fs.Stats()
         }
       ])
 
@@ -178,15 +184,18 @@ describe('upload-artifact', () => {
       .mockReturnValue([
         {
           sourcePath: '/home/user/files/plz-upload/file1.txt',
-          destinationPath: 'file1.txt'
+          destinationPath: 'file1.txt',
+          stats: fs.Stats.prototype
         },
         {
           sourcePath: '/home/user/files/plz-upload/file2.txt',
-          destinationPath: 'file2.txt'
+          destinationPath: 'file2.txt',
+          stats: fs.Stats.prototype
         },
         {
           sourcePath: '/home/user/files/plz-upload/dir/file3.txt',
-          destinationPath: 'dir/file3.txt'
+          destinationPath: 'dir/file3.txt',
+          stats: fs.Stats.prototype
         }
       ])
 
@@ -233,15 +242,18 @@ describe('upload-artifact', () => {
       .mockReturnValue([
         {
           sourcePath: '/home/user/files/plz-upload/file1.txt',
-          destinationPath: 'file1.txt'
+          destinationPath: 'file1.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/file2.txt',
-          destinationPath: 'file2.txt'
+          destinationPath: 'file2.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/dir/file3.txt',
-          destinationPath: 'dir/file3.txt'
+          destinationPath: 'dir/file3.txt',
+          stats: new fs.Stats()
         }
       ])
 
@@ -296,15 +308,18 @@ describe('upload-artifact', () => {
       .mockReturnValue([
         {
           sourcePath: '/home/user/files/plz-upload/file1.txt',
-          destinationPath: 'file1.txt'
+          destinationPath: 'file1.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/file2.txt',
-          destinationPath: 'file2.txt'
+          destinationPath: 'file2.txt',
+          stats: new fs.Stats()
         },
         {
           sourcePath: '/home/user/files/plz-upload/dir/file3.txt',
-          destinationPath: 'dir/file3.txt'
+          destinationPath: 'dir/file3.txt',
+          stats: new fs.Stats()
         }
       ])
 

packages/artifact/src/internal/upload/upload-zip-specification.ts

@@ -5,14 +5,19 @@ import {validateFilePath} from './path-and-artifact-name-validation'
 
 export interface UploadZipSpecification {
   /**
-   * An absolute source path that points to a file that will be added to a zip. Null if creating a new directory
+   * An absolute source path that points to a file or directory that will be added to a zip
    */
-  sourcePath: string | null
+  sourcePath: string
 
   /**
    * The destination path in a zip for a file
    */
   destinationPath: string
+
+  /**
+   * Metadata (permissions, creation time, etc) about the file
+   */
+  stats: fs.Stats
 }
 
 /**
@@ -75,37 +80,28 @@ export function getUploadZipSpecification(
           - file3.txt
   */
   for (let file of filesToZip) {
-    if (!fs.existsSync(file)) {
+    const stats = fs.statSync(file, {throwIfNoEntry: false});
+    if (!stats) {
       throw new Error(`File ${file} does not exist`)
     }
-    if (!fs.statSync(file).isDirectory()) {
-      // Normalize and resolve, this allows for either absolute or relative paths to be used
-      file = normalize(file)
-      file = resolve(file)
-      if (!file.startsWith(rootDirectory)) {
-        throw new Error(
-          `The rootDirectory: ${rootDirectory} is not a parent directory of the file: ${file}`
-        )
-      }
-
-      // Check for forbidden characters in file paths that may cause ambiguous behavior if downloaded on different file systems
-      const uploadPath = file.replace(rootDirectory, '')
-      validateFilePath(uploadPath)
+    // Normalize and resolve, this allows for either absolute or relative paths to be used
+    file = normalize(file)
+    file = resolve(file)
+    if (!file.startsWith(rootDirectory)) {
+      throw new Error(
+        `The rootDirectory: ${rootDirectory} is not a parent directory of the file: ${file}`
+      )
+    }
 
-      specification.push({
-        sourcePath: file,
-        destinationPath: uploadPath
-      })
-    } else {
-      // Empty directory
-      const directoryPath = file.replace(rootDirectory, '')
-      validateFilePath(directoryPath)
+    // Check for forbidden characters in file paths that may cause ambiguous behavior if downloaded on different file systems
+    const destinationPath = file.replace(rootDirectory, '')
+    validateFilePath(destinationPath)
 
-      specification.push({
-        sourcePath: null,
-        destinationPath: directoryPath
-      })
-    }
+    specification.push({
+      sourcePath: file,
+      destinationPath,
+      stats
+    })
   }
   return specification
 }

packages/artifact/src/internal/upload/zip.ts

@@ -42,14 +42,20 @@ export async function createZipUploadStream(
   zip.on('end', zipEndCallback)
 
   for (const file of uploadSpecification) {
-    if (file.sourcePath !== null) {
+    if (!file.stats.isDirectory()) {
       // Add a normal file to the zip
       zip.append(createReadStream(file.sourcePath), {
-        name: file.destinationPath
+        name: file.destinationPath,
+        stats: file.stats,
+        mode: file.stats.mode
       })
     } else {
       // Add a directory to the zip
-      zip.append('', {name: file.destinationPath})
+      zip.append('', {
+        name: file.destinationPath,
+        stats: file.stats,
+        mode: file.stats.mode
+      })
     }
   }