From 7287ca6392581b1714312f27d4bd4609dc117be8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Chmiela?= <sjchmiela@gmail.com>
Date: Tue, 21 Oct 2025 10:49:19 +0200
Subject: [PATCH 1/6] Make a portable archive on Windows

---
 packages/eas-cli/src/build/utils/repository.ts | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/packages/eas-cli/src/build/utils/repository.ts b/packages/eas-cli/src/build/utils/repository.ts
index eb41b23af0..a7c04b6673 100644
--- a/packages/eas-cli/src/build/utils/repository.ts
+++ b/packages/eas-cli/src/build/utils/repository.ts
@@ -143,9 +143,17 @@ export async function makeProjectTarballAsync(vcsClient: Client): Promise<LocalF
 
   try {
     await vcsClient.makeShallowCopyAsync(shallowClonePath);
-    await tar.create({ cwd: shallowClonePath, file: tarPath, prefix: 'project', gzip: true }, [
-      '.',
-    ]);
+    await tar.create(
+      {
+        cwd: shallowClonePath,
+        file: tarPath,
+        prefix: 'project',
+        gzip: true,
+        // Use portable mode on Windows to ensure proper permissions when extracting on Unix/Linux
+        ...(process.platform === 'win32' && { portable: true }),
+      },
+      ['.']
+    );
   } catch (err) {
     clearTimeout(timer);
     if (spinner.isSpinning) {

From 5d4c00f8cd9a0acd5815eed8f61159689339418f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Chmiela?= <sjchmiela@gmail.com>
Date: Tue, 21 Oct 2025 10:52:04 +0200
Subject: [PATCH 2/6] Add changelog

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1742bc670a..4c6526dfd2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🐛 Bug fixes
 
+- Strip permissions and other metadata from project archive when packing sources on Windows. ([#3234](https://github.com/expo/eas-cli/pull/3234) by [@sjchmiela](https://github.com/sjchmiela))
+
 ### 🧹 Chores
 
 - Document the default values for `track` and `releaseStatus`. ([#3229](https://github.com/expo/eas-cli/pull/3229) by [@kadikraman](https://github.com/kadikraman))

From 595834db52b60a30d4e6d67b4f1134f9127259f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Chmiela?= <sjchmiela@gmail.com>
Date: Tue, 21 Oct 2025 10:57:53 +0200
Subject: [PATCH 3/6] Test

---
 .../workflows/test-tarball-cross-platform.yml | 248 ++++++++++++++++++
 .../src/commands/build/test-tarball.ts        |  54 ++++
 2 files changed, 302 insertions(+)
 create mode 100644 .github/workflows/test-tarball-cross-platform.yml
 create mode 100644 packages/eas-cli/src/commands/build/test-tarball.ts

diff --git a/.github/workflows/test-tarball-cross-platform.yml b/.github/workflows/test-tarball-cross-platform.yml
new file mode 100644
index 0000000000..2817fc7615
--- /dev/null
+++ b/.github/workflows/test-tarball-cross-platform.yml
@@ -0,0 +1,248 @@
+name: Test tarball cross-platform compatibility
+
+on:
+  pull_request:
+    paths:
+      - "packages/eas-cli/src/build/utils/repository.ts"
+      - ".github/workflows/test-tarball-cross-platform.yml"
+  workflow_dispatch:
+
+jobs:
+  create-tarball-windows:
+    name: Create tarball on Windows
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Setup git config
+        run: |
+          git config --global user.email "ci@expo.dev"
+          git config --global user.name "CI Test"
+
+      - name: Create test git repository
+        run: |
+          mkdir test-project
+          cd test-project
+          git init
+          git config user.email "ci@expo.dev"
+          git config user.name "CI Test"
+
+          # Create directory structure with files
+          New-Item -ItemType Directory -Force -Path src/api, src/app, src/assets
+          "console.log('api');" | Out-File -Encoding utf8 src/api/index.js
+          "console.log('app');" | Out-File -Encoding utf8 src/app/index.js
+          "/* asset */" | Out-File -Encoding utf8 src/assets/style.css
+          "test content" | Out-File -Encoding utf8 README.md
+
+          git add .
+          git commit -m "Initial commit"
+        shell: pwsh
+
+      - name: Build
+        run: yarn build
+
+      - name: Create tarball
+        run: |
+          cd test-project
+          node ../bin/run build:test-tarball --output ../test-project.tar.gz
+          echo "Created tarball on Windows"
+        shell: pwsh
+
+      - name: Upload tarball artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-tarball
+          path: test-project.tar.gz
+          retention-days: 1
+
+  test-extract-linux:
+    name: Extract and test on Linux
+    runs-on: ubuntu-latest
+    needs: create-tarball-windows
+    steps:
+      - name: Download tarball from Windows
+        uses: actions/download-artifact@v4
+        with:
+          name: windows-tarball
+
+      - name: Extract tarball
+        run: |
+          mkdir extracted
+          tar -C extracted --strip-components 1 -zxf test-project.tar.gz
+          echo "✅ Extraction successful!"
+
+      - name: Verify directory structure
+        run: |
+          cd extracted
+          if [ ! -d "src/api" ]; then
+            echo "❌ src/api directory not found"
+            exit 1
+          fi
+          if [ ! -d "src/app" ]; then
+            echo "❌ src/app directory not found"
+            exit 1
+          fi
+          if [ ! -d "src/assets" ]; then
+            echo "❌ src/assets directory not found"
+            exit 1
+          fi
+          echo "✅ All directories extracted successfully"
+
+      - name: Verify files are readable
+        run: |
+          cd extracted
+          cat src/api/index.js
+          cat src/app/index.js
+          cat src/assets/style.css
+          cat package.json
+          echo "✅ All files are readable"
+
+      - name: List permissions
+        run: |
+          cd extracted
+          ls -la
+          ls -la src/
+          ls -la src/api/
+          ls -la src/app/
+          ls -la src/assets/
+
+  test-extract-macos:
+    name: Extract and test on macOS
+    runs-on: macos-latest
+    needs: create-tarball-windows
+    steps:
+      - name: Download tarball from Windows
+        uses: actions/download-artifact@v4
+        with:
+          name: windows-tarball
+
+      - name: Extract tarball
+        run: |
+          mkdir extracted
+          tar -C extracted --strip-components 1 -zxf test-project.tar.gz
+          echo "✅ Extraction successful!"
+
+      - name: Verify directory structure
+        run: |
+          cd extracted
+          if [ ! -d "src/api" ]; then
+            echo "❌ src/api directory not found"
+            exit 1
+          fi
+          if [ ! -d "src/app" ]; then
+            echo "❌ src/app directory not found"
+            exit 1
+          fi
+          if [ ! -d "src/assets" ]; then
+            echo "❌ src/assets directory not found"
+            exit 1
+          fi
+          echo "✅ All directories extracted successfully"
+
+      - name: Verify files are readable
+        run: |
+          cd extracted
+          cat src/api/index.js
+          cat src/app/index.js
+          cat src/assets/style.css
+          cat package.json
+          echo "✅ All files are readable"
+
+  # Also test that Unix-created tarballs preserve permissions
+  create-tarball-linux:
+    name: Create tarball on Linux
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Setup git config
+        run: |
+          git config --global user.email "ci@expo.dev"
+          git config --global user.name "CI Test"
+
+      - name: Create test git repository with executable files
+        run: |
+          mkdir test-project-linux
+          cd test-project-linux
+          git init
+          git config user.email "ci@expo.dev"
+          git config user.name "CI Test"
+
+          # Create directory structure
+          mkdir -p src/api src/app scripts
+          echo "console.log('api');" > src/api/index.js
+          echo "console.log('app');" > src/app/index.js
+
+          # Create an executable script
+          cat > scripts/build.sh << 'EOF'
+          #!/bin/bash
+          echo "Building..."
+          EOF
+          chmod +x scripts/build.sh
+
+          echo "test content" > README.md
+
+          git add .
+          git commit -m "Initial commit"
+
+      - name: Build
+        run: yarn build
+
+      - name: Create tarball
+        run: |
+          cd test-project-linux
+          node ../bin/run build:test-tarball --output ../test-project-linux.tar.gz
+
+      - name: Upload tarball artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-tarball
+          path: test-project-linux.tar.gz
+          retention-days: 1
+
+  verify-linux-permissions:
+    name: Verify Linux tarball preserves executable permissions
+    runs-on: ubuntu-latest
+    needs: create-tarball-linux
+    steps:
+      - name: Download tarball from Linux
+        uses: actions/download-artifact@v4
+        with:
+          name: linux-tarball
+
+      - name: Extract tarball
+        run: |
+          mkdir extracted
+          tar -C extracted --strip-components 1 -zxf test-project-linux.tar.gz
+
+      - name: Verify executable permissions are preserved
+        run: |
+          cd extracted
+          if [ ! -x "scripts/build.sh" ]; then
+            echo "❌ scripts/build.sh is not executable!"
+            ls -la scripts/build.sh
+            exit 1
+          fi
+          echo "✅ Executable permissions preserved!"
+          ls -la scripts/build.sh
+
+      - name: Test executing the script
+        run: |
+          cd extracted
+          ./scripts/build.sh
diff --git a/packages/eas-cli/src/commands/build/test-tarball.ts b/packages/eas-cli/src/commands/build/test-tarball.ts
new file mode 100644
index 0000000000..3b1cd6a97d
--- /dev/null
+++ b/packages/eas-cli/src/commands/build/test-tarball.ts
@@ -0,0 +1,54 @@
+import { Command, Flags } from '@oclif/core';
+import fs from 'fs-extra';
+
+import { makeProjectTarballAsync } from '../../build/utils/repository';
+import GitClient from '../../vcs/clients/git';
+
+/**
+ * Test command to create a project tarball and verify it works cross-platform.
+ * Used in CI to test that archives created on Windows can be extracted on Unix/Linux.
+ * Does not require an Expo project - works with any git repository.
+ */
+export default class BuildTestTarball extends Command {
+  static override hidden = true;
+  static override description = 'Create a project tarball for testing cross-platform compatibility';
+
+  static override flags = {
+    output: Flags.string({
+      description: 'Output path for the tarball',
+      required: false,
+    }),
+    cwd: Flags.string({
+      description: 'Working directory (defaults to current directory)',
+      required: false,
+    }),
+  };
+
+  async run(): Promise<void> {
+    const { flags } = await this.parse(BuildTestTarball);
+    const cwd = flags.cwd ?? process.cwd();
+
+    this.log(`Creating project tarball from ${cwd}...`);
+    this.log(`Platform: ${process.platform}`);
+
+    const vcsClient = new GitClient({
+      maybeCwdOverride: cwd,
+      requireCommit: false,
+    });
+
+    const { path: tarballPath, size } = await makeProjectTarballAsync(vcsClient);
+
+    this.log(`✅ Tarball created successfully: ${tarballPath}`);
+    this.log(`Size: ${(size / 1024 / 1024).toFixed(2)} MB`);
+
+    if (flags.output) {
+      await fs.copy(tarballPath, flags.output);
+      this.log(`Copied to: ${flags.output}`);
+      // Output just the path for easy consumption in CI
+      console.log(flags.output);
+    } else {
+      // Output the path for easy consumption in CI
+      console.log(tarballPath);
+    }
+  }
+}

From c041e9142264c9b362489d11cd0d2e402f8450ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Chmiela?= <sjchmiela@gmail.com>
Date: Tue, 21 Oct 2025 11:10:57 +0200
Subject: [PATCH 4/6] More test

---
 .../workflows/test-tarball-cross-platform.yml | 24 +++------------
 packages/eas-cli/package.json                 |  2 +-
 packages/eas-cli/scripts/copy-templates.js    | 29 +++++++++++++++++++
 3 files changed, 34 insertions(+), 21 deletions(-)
 create mode 100644 packages/eas-cli/scripts/copy-templates.js

diff --git a/.github/workflows/test-tarball-cross-platform.yml b/.github/workflows/test-tarball-cross-platform.yml
index 2817fc7615..36fa4f5a3c 100644
--- a/.github/workflows/test-tarball-cross-platform.yml
+++ b/.github/workflows/test-tarball-cross-platform.yml
@@ -22,11 +22,6 @@ jobs:
       - name: Install dependencies
         run: yarn install --frozen-lockfile
 
-      - name: Setup git config
-        run: |
-          git config --global user.email "ci@expo.dev"
-          git config --global user.name "CI Test"
-
       - name: Create test git repository
         run: |
           mkdir test-project
@@ -46,13 +41,10 @@ jobs:
           git commit -m "Initial commit"
         shell: pwsh
 
-      - name: Build
-        run: yarn build
-
-      - name: Create tarball
+      - name: Create tarball using dev script (no build needed)
         run: |
           cd test-project
-          node ../bin/run build:test-tarball --output ../test-project.tar.gz
+          node ../packages/eas-cli/bin/dev build:test-tarball --output ../test-project.tar.gz
           echo "Created tarball on Windows"
         shell: pwsh
 
@@ -171,11 +163,6 @@ jobs:
       - name: Install dependencies
         run: yarn install --frozen-lockfile
 
-      - name: Setup git config
-        run: |
-          git config --global user.email "ci@expo.dev"
-          git config --global user.name "CI Test"
-
       - name: Create test git repository with executable files
         run: |
           mkdir test-project-linux
@@ -201,13 +188,10 @@ jobs:
           git add .
           git commit -m "Initial commit"
 
-      - name: Build
-        run: yarn build
-
-      - name: Create tarball
+      - name: Create tarball using dev script (no build needed)
         run: |
           cd test-project-linux
-          node ../bin/run build:test-tarball --output ../test-project-linux.tar.gz
+          node ../packages/eas-cli/bin/dev build:test-tarball --output ../test-project-linux.tar.gz
 
       - name: Upload tarball artifact
         uses: actions/upload-artifact@v4
diff --git a/packages/eas-cli/package.json b/packages/eas-cli/package.json
index 00a8c2af60..e977ca900a 100644
--- a/packages/eas-cli/package.json
+++ b/packages/eas-cli/package.json
@@ -236,7 +236,7 @@
     "generate-graphql-code": "graphql-codegen --config graphql-codegen.yml",
     "verify-graphql-code": "./scripts/verify-graphql.sh",
     "clean": "rimraf dist build tmp node_modules yarn-error.log",
-    "copy-new-templates": "rimraf build/commandUtils/new/templates && mkdir -p build/commandUtils/new && cp -r src/commandUtils/new/templates build/commandUtils/new"
+    "copy-new-templates": "node scripts/copy-templates.js"
   },
   "volta": {
     "node": "20.11.0",
diff --git a/packages/eas-cli/scripts/copy-templates.js b/packages/eas-cli/scripts/copy-templates.js
new file mode 100644
index 0000000000..8d8413e087
--- /dev/null
+++ b/packages/eas-cli/scripts/copy-templates.js
@@ -0,0 +1,29 @@
+#!/usr/bin/env node
+
+/**
+ * Cross-platform script to copy template files from src to build directory.
+ * Replaces the Unix-only "cp -r" and "mkdir -p" commands.
+ */
+
+const fs = require('fs-extra');
+const path = require('path');
+
+const buildTemplatesDir = path.join(__dirname, '..', 'build', 'commandUtils', 'new', 'templates');
+const srcTemplatesDir = path.join(__dirname, '..', 'src', 'commandUtils', 'new', 'templates');
+
+async function copyTemplates() {
+  try {
+    // Remove existing build/commandUtils/new/templates if it exists
+    await fs.remove(buildTemplatesDir);
+
+    // Copy src/commandUtils/new/templates to build/commandUtils/new/templates
+    await fs.copy(srcTemplatesDir, buildTemplatesDir);
+
+    console.log('✓ Templates copied successfully');
+  } catch (error) {
+    console.error('Error copying templates:', error);
+    process.exit(1);
+  }
+}
+
+copyTemplates();

From 3d66d690c27f94993ce75b69323fed9ff0311816 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Chmiela?= <sjchmiela@gmail.com>
Date: Tue, 21 Oct 2025 11:29:46 +0200
Subject: [PATCH 5/6] Revert "More test"

This reverts commit c041e9142264c9b362489d11cd0d2e402f8450ae.
---
 .../workflows/test-tarball-cross-platform.yml | 24 ++++++++++++---
 packages/eas-cli/package.json                 |  2 +-
 packages/eas-cli/scripts/copy-templates.js    | 29 -------------------
 3 files changed, 21 insertions(+), 34 deletions(-)
 delete mode 100644 packages/eas-cli/scripts/copy-templates.js

diff --git a/.github/workflows/test-tarball-cross-platform.yml b/.github/workflows/test-tarball-cross-platform.yml
index 36fa4f5a3c..2817fc7615 100644
--- a/.github/workflows/test-tarball-cross-platform.yml
+++ b/.github/workflows/test-tarball-cross-platform.yml
@@ -22,6 +22,11 @@ jobs:
       - name: Install dependencies
         run: yarn install --frozen-lockfile
 
+      - name: Setup git config
+        run: |
+          git config --global user.email "ci@expo.dev"
+          git config --global user.name "CI Test"
+
       - name: Create test git repository
         run: |
           mkdir test-project
@@ -41,10 +46,13 @@ jobs:
           git commit -m "Initial commit"
         shell: pwsh
 
-      - name: Create tarball using dev script (no build needed)
+      - name: Build
+        run: yarn build
+
+      - name: Create tarball
         run: |
           cd test-project
-          node ../packages/eas-cli/bin/dev build:test-tarball --output ../test-project.tar.gz
+          node ../bin/run build:test-tarball --output ../test-project.tar.gz
           echo "Created tarball on Windows"
         shell: pwsh
 
@@ -163,6 +171,11 @@ jobs:
       - name: Install dependencies
         run: yarn install --frozen-lockfile
 
+      - name: Setup git config
+        run: |
+          git config --global user.email "ci@expo.dev"
+          git config --global user.name "CI Test"
+
       - name: Create test git repository with executable files
         run: |
           mkdir test-project-linux
@@ -188,10 +201,13 @@ jobs:
           git add .
           git commit -m "Initial commit"
 
-      - name: Create tarball using dev script (no build needed)
+      - name: Build
+        run: yarn build
+
+      - name: Create tarball
         run: |
           cd test-project-linux
-          node ../packages/eas-cli/bin/dev build:test-tarball --output ../test-project-linux.tar.gz
+          node ../bin/run build:test-tarball --output ../test-project-linux.tar.gz
 
       - name: Upload tarball artifact
         uses: actions/upload-artifact@v4
diff --git a/packages/eas-cli/package.json b/packages/eas-cli/package.json
index e977ca900a..00a8c2af60 100644
--- a/packages/eas-cli/package.json
+++ b/packages/eas-cli/package.json
@@ -236,7 +236,7 @@
     "generate-graphql-code": "graphql-codegen --config graphql-codegen.yml",
     "verify-graphql-code": "./scripts/verify-graphql.sh",
     "clean": "rimraf dist build tmp node_modules yarn-error.log",
-    "copy-new-templates": "node scripts/copy-templates.js"
+    "copy-new-templates": "rimraf build/commandUtils/new/templates && mkdir -p build/commandUtils/new && cp -r src/commandUtils/new/templates build/commandUtils/new"
   },
   "volta": {
     "node": "20.11.0",
diff --git a/packages/eas-cli/scripts/copy-templates.js b/packages/eas-cli/scripts/copy-templates.js
deleted file mode 100644
index 8d8413e087..0000000000
--- a/packages/eas-cli/scripts/copy-templates.js
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env node
-
-/**
- * Cross-platform script to copy template files from src to build directory.
- * Replaces the Unix-only "cp -r" and "mkdir -p" commands.
- */
-
-const fs = require('fs-extra');
-const path = require('path');
-
-const buildTemplatesDir = path.join(__dirname, '..', 'build', 'commandUtils', 'new', 'templates');
-const srcTemplatesDir = path.join(__dirname, '..', 'src', 'commandUtils', 'new', 'templates');
-
-async function copyTemplates() {
-  try {
-    // Remove existing build/commandUtils/new/templates if it exists
-    await fs.remove(buildTemplatesDir);
-
-    // Copy src/commandUtils/new/templates to build/commandUtils/new/templates
-    await fs.copy(srcTemplatesDir, buildTemplatesDir);
-
-    console.log('✓ Templates copied successfully');
-  } catch (error) {
-    console.error('Error copying templates:', error);
-    process.exit(1);
-  }
-}
-
-copyTemplates();

From 60a9cef8e437034aba2eadef9f1f790b493d173f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Chmiela?= <sjchmiela@gmail.com>
Date: Tue, 21 Oct 2025 11:29:49 +0200
Subject: [PATCH 6/6] Revert "Test"

This reverts commit 595834db52b60a30d4e6d67b4f1134f9127259f2.
---
 .../workflows/test-tarball-cross-platform.yml | 248 ------------------
 .../src/commands/build/test-tarball.ts        |  54 ----
 2 files changed, 302 deletions(-)
 delete mode 100644 .github/workflows/test-tarball-cross-platform.yml
 delete mode 100644 packages/eas-cli/src/commands/build/test-tarball.ts

diff --git a/.github/workflows/test-tarball-cross-platform.yml b/.github/workflows/test-tarball-cross-platform.yml
deleted file mode 100644
index 2817fc7615..0000000000
--- a/.github/workflows/test-tarball-cross-platform.yml
+++ /dev/null
@@ -1,248 +0,0 @@
-name: Test tarball cross-platform compatibility
-
-on:
-  pull_request:
-    paths:
-      - "packages/eas-cli/src/build/utils/repository.ts"
-      - ".github/workflows/test-tarball-cross-platform.yml"
-  workflow_dispatch:
-
-jobs:
-  create-tarball-windows:
-    name: Create tarball on Windows
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Setup node
-        uses: actions/setup-node@v4
-        with:
-          node-version: "20"
-
-      - name: Install dependencies
-        run: yarn install --frozen-lockfile
-
-      - name: Setup git config
-        run: |
-          git config --global user.email "ci@expo.dev"
-          git config --global user.name "CI Test"
-
-      - name: Create test git repository
-        run: |
-          mkdir test-project
-          cd test-project
-          git init
-          git config user.email "ci@expo.dev"
-          git config user.name "CI Test"
-
-          # Create directory structure with files
-          New-Item -ItemType Directory -Force -Path src/api, src/app, src/assets
-          "console.log('api');" | Out-File -Encoding utf8 src/api/index.js
-          "console.log('app');" | Out-File -Encoding utf8 src/app/index.js
-          "/* asset */" | Out-File -Encoding utf8 src/assets/style.css
-          "test content" | Out-File -Encoding utf8 README.md
-
-          git add .
-          git commit -m "Initial commit"
-        shell: pwsh
-
-      - name: Build
-        run: yarn build
-
-      - name: Create tarball
-        run: |
-          cd test-project
-          node ../bin/run build:test-tarball --output ../test-project.tar.gz
-          echo "Created tarball on Windows"
-        shell: pwsh
-
-      - name: Upload tarball artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: windows-tarball
-          path: test-project.tar.gz
-          retention-days: 1
-
-  test-extract-linux:
-    name: Extract and test on Linux
-    runs-on: ubuntu-latest
-    needs: create-tarball-windows
-    steps:
-      - name: Download tarball from Windows
-        uses: actions/download-artifact@v4
-        with:
-          name: windows-tarball
-
-      - name: Extract tarball
-        run: |
-          mkdir extracted
-          tar -C extracted --strip-components 1 -zxf test-project.tar.gz
-          echo "✅ Extraction successful!"
-
-      - name: Verify directory structure
-        run: |
-          cd extracted
-          if [ ! -d "src/api" ]; then
-            echo "❌ src/api directory not found"
-            exit 1
-          fi
-          if [ ! -d "src/app" ]; then
-            echo "❌ src/app directory not found"
-            exit 1
-          fi
-          if [ ! -d "src/assets" ]; then
-            echo "❌ src/assets directory not found"
-            exit 1
-          fi
-          echo "✅ All directories extracted successfully"
-
-      - name: Verify files are readable
-        run: |
-          cd extracted
-          cat src/api/index.js
-          cat src/app/index.js
-          cat src/assets/style.css
-          cat package.json
-          echo "✅ All files are readable"
-
-      - name: List permissions
-        run: |
-          cd extracted
-          ls -la
-          ls -la src/
-          ls -la src/api/
-          ls -la src/app/
-          ls -la src/assets/
-
-  test-extract-macos:
-    name: Extract and test on macOS
-    runs-on: macos-latest
-    needs: create-tarball-windows
-    steps:
-      - name: Download tarball from Windows
-        uses: actions/download-artifact@v4
-        with:
-          name: windows-tarball
-
-      - name: Extract tarball
-        run: |
-          mkdir extracted
-          tar -C extracted --strip-components 1 -zxf test-project.tar.gz
-          echo "✅ Extraction successful!"
-
-      - name: Verify directory structure
-        run: |
-          cd extracted
-          if [ ! -d "src/api" ]; then
-            echo "❌ src/api directory not found"
-            exit 1
-          fi
-          if [ ! -d "src/app" ]; then
-            echo "❌ src/app directory not found"
-            exit 1
-          fi
-          if [ ! -d "src/assets" ]; then
-            echo "❌ src/assets directory not found"
-            exit 1
-          fi
-          echo "✅ All directories extracted successfully"
-
-      - name: Verify files are readable
-        run: |
-          cd extracted
-          cat src/api/index.js
-          cat src/app/index.js
-          cat src/assets/style.css
-          cat package.json
-          echo "✅ All files are readable"
-
-  # Also test that Unix-created tarballs preserve permissions
-  create-tarball-linux:
-    name: Create tarball on Linux
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Setup node
-        uses: actions/setup-node@v4
-        with:
-          node-version: "20"
-
-      - name: Install dependencies
-        run: yarn install --frozen-lockfile
-
-      - name: Setup git config
-        run: |
-          git config --global user.email "ci@expo.dev"
-          git config --global user.name "CI Test"
-
-      - name: Create test git repository with executable files
-        run: |
-          mkdir test-project-linux
-          cd test-project-linux
-          git init
-          git config user.email "ci@expo.dev"
-          git config user.name "CI Test"
-
-          # Create directory structure
-          mkdir -p src/api src/app scripts
-          echo "console.log('api');" > src/api/index.js
-          echo "console.log('app');" > src/app/index.js
-
-          # Create an executable script
-          cat > scripts/build.sh << 'EOF'
-          #!/bin/bash
-          echo "Building..."
-          EOF
-          chmod +x scripts/build.sh
-
-          echo "test content" > README.md
-
-          git add .
-          git commit -m "Initial commit"
-
-      - name: Build
-        run: yarn build
-
-      - name: Create tarball
-        run: |
-          cd test-project-linux
-          node ../bin/run build:test-tarball --output ../test-project-linux.tar.gz
-
-      - name: Upload tarball artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: linux-tarball
-          path: test-project-linux.tar.gz
-          retention-days: 1
-
-  verify-linux-permissions:
-    name: Verify Linux tarball preserves executable permissions
-    runs-on: ubuntu-latest
-    needs: create-tarball-linux
-    steps:
-      - name: Download tarball from Linux
-        uses: actions/download-artifact@v4
-        with:
-          name: linux-tarball
-
-      - name: Extract tarball
-        run: |
-          mkdir extracted
-          tar -C extracted --strip-components 1 -zxf test-project-linux.tar.gz
-
-      - name: Verify executable permissions are preserved
-        run: |
-          cd extracted
-          if [ ! -x "scripts/build.sh" ]; then
-            echo "❌ scripts/build.sh is not executable!"
-            ls -la scripts/build.sh
-            exit 1
-          fi
-          echo "✅ Executable permissions preserved!"
-          ls -la scripts/build.sh
-
-      - name: Test executing the script
-        run: |
-          cd extracted
-          ./scripts/build.sh
diff --git a/packages/eas-cli/src/commands/build/test-tarball.ts b/packages/eas-cli/src/commands/build/test-tarball.ts
deleted file mode 100644
index 3b1cd6a97d..0000000000
--- a/packages/eas-cli/src/commands/build/test-tarball.ts
+++ /dev/null
@@ -1,54 +0,0 @@
-import { Command, Flags } from '@oclif/core';
-import fs from 'fs-extra';
-
-import { makeProjectTarballAsync } from '../../build/utils/repository';
-import GitClient from '../../vcs/clients/git';
-
-/**
- * Test command to create a project tarball and verify it works cross-platform.
- * Used in CI to test that archives created on Windows can be extracted on Unix/Linux.
- * Does not require an Expo project - works with any git repository.
- */
-export default class BuildTestTarball extends Command {
-  static override hidden = true;
-  static override description = 'Create a project tarball for testing cross-platform compatibility';
-
-  static override flags = {
-    output: Flags.string({
-      description: 'Output path for the tarball',
-      required: false,
-    }),
-    cwd: Flags.string({
-      description: 'Working directory (defaults to current directory)',
-      required: false,
-    }),
-  };
-
-  async run(): Promise<void> {
-    const { flags } = await this.parse(BuildTestTarball);
-    const cwd = flags.cwd ?? process.cwd();
-
-    this.log(`Creating project tarball from ${cwd}...`);
-    this.log(`Platform: ${process.platform}`);
-
-    const vcsClient = new GitClient({
-      maybeCwdOverride: cwd,
-      requireCommit: false,
-    });
-
-    const { path: tarballPath, size } = await makeProjectTarballAsync(vcsClient);
-
-    this.log(`✅ Tarball created successfully: ${tarballPath}`);
-    this.log(`Size: ${(size / 1024 / 1024).toFixed(2)} MB`);
-
-    if (flags.output) {
-      await fs.copy(tarballPath, flags.output);
-      this.log(`Copied to: ${flags.output}`);
-      // Output just the path for easy consumption in CI
-      console.log(flags.output);
-    } else {
-      // Output the path for easy consumption in CI
-      console.log(tarballPath);
-    }
-  }
-}