Install Tart Guest Agent from OpenAI tap (#370)

* Pre-install pnpm alongside yarn in base image

Install pnpm globally in the Node.js provisioner so base images
include both common package managers.

Assisted-by: Cursor Agent

Co-authored-by: Jiawen Geng <technicalcute@gmail.com>

* Install yarn and pnpm in a single npm command

Assisted-by: Cursor Agent

Co-authored-by: Jiawen Geng <technicalcute@gmail.com>

* Configure PNPM_HOME in the base image shell profile

Assisted-by: Cursor Agent

Co-authored-by: Jiawen Geng <technicalcute@gmail.com>

---------

Co-authored-by: Cursor Agent <cursoragent@cursor.com>

.ci/cirrus.base.yml

@@ -1,28 +0,0 @@
-task:
-  name: "Update Base Images ($MACOS_VERSION)"
-  alias: update-base
-  matrix:
-    - env:
-        MACOS_VERSION: sonoma
-        DISABLE_SIP_TEMPLATE: disable-sip.pkr.hcl
-    - env:
-        MACOS_VERSION: sequoia
-        DISABLE_SIP_TEMPLATE: disable-sip-with-username.pkr.hcl
-    - env:
-        MACOS_VERSION: tahoe
-        DISABLE_SIP_TEMPLATE: disable-sip-with-username.pkr.hcl
-  <<: *defaults
-  pull_vanilla_script:
-    - tart pull ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest
-    - tart clone ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest "$MACOS_VERSION-base"
-  disable_sip_script:
-    - packer init "templates/${DISABLE_SIP_TEMPLATE}"
-    - packer build -var vm_name="$MACOS_VERSION-base" "templates/${DISABLE_SIP_TEMPLATE}"
-  build_base_script:
-    - packer init templates/base.pkr.hcl
-    - packer build -var vm_name="$MACOS_VERSION-base" templates/base.pkr.hcl
-  push_base_script:
-    - tart push $MACOS_VERSION-base ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest
-  always:
-    cleanup_script:
-      - tart delete $MACOS_VERSION-base

.ci/cirrus.release.yml

@@ -1,23 +0,0 @@
-task:
-  name: "Release Xcode $CIRRUS_TAG ($MACOS_VERSION)"
-  env:
-    XCODE_COMPONENTS: "\"MetalToolchain\""
-    matrix:
-      - MACOS_VERSION: tahoe
-      - MACOS_VERSION: sequoia
-  <<: *defaults
-  pull_base_script:
-    - tart pull ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest
-  build_script:
-    - packer init templates/xcode.pkr.hcl
-    - packer build -var macos_version="$MACOS_VERSION" -var xcode_version="[\"$CIRRUS_TAG\"]" -var xcode_components="[$XCODE_COMPONENTS]" templates/xcode.pkr.hcl
-  push_script: |
-    if [[ $CIRRUS_TAG == *"beta"* ]]
-    then
-      tart push $MACOS_VERSION-xcode:$CIRRUS_TAG ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$CIRRUS_TAG
-    else
-      tart push $MACOS_VERSION-xcode:$CIRRUS_TAG ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$CIRRUS_TAG ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:latest
-    fi
-  always:
-    cleanup_script:
-      - tart delete $MACOS_VERSION-xcode:$CIRRUS_TAG || true

.ci/cirrus.runner.yml

@@ -1,46 +0,0 @@
-task:
-  name: "Update Runner Image ($MACOS_VERSION)"
-  env:
-    matrix:
-      - MACOS_VERSION: sequoia
-        XCODE_VERSIONS: "\"26.0.1\",16.4,16.3,16.2,16.1,16"
-        ADDITIONAL_IOS_BUILDS: "18.5,18.4,18.2,17.5"
-        ADDITIONAL_TVOS_BUILDS: "17.5"
-        XCODE_COMPONENTS: "\"MetalToolchain\""
-        DISK_SIZE: 380
-      - MACOS_VERSION: tahoe
-        XCODE_VERSIONS: "\"26.5\",\"26.4.1\",\"26.3\",\"26.2\",\"26.1.1\",\"26.0.1\""
-        XCODE_COMPONENTS: "\"MetalToolchain\""
-        ADDITIONAL_IOS_BUILDS: "18.6"
-        DISK_SIZE: 330
-  <<: *defaults
-  pull_base_script:
-    - tart pull ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest
-  init_xcode_script: packer init templates/xcode.pkr.hcl
-  build_xcode_script: |
-      packer build -var tag=runner -var disk_size=$DISK_SIZE \
-        -var disk_free_mb=100000 \
-        -var macos_version="$MACOS_VERSION" \
-        -var xcode_version="[$XCODE_VERSIONS]" \
-        -var additional_ios_builds="[$ADDITIONAL_IOS_BUILDS]" \
-        -var additional_tvos_builds="[$ADDITIONAL_TVOS_BUILDS]" \
-        -var xcode_components="[$XCODE_COMPONENTS]" \
-        -var expected_runtimes_file="data/expected.$MACOS_VERSION.runtimes.txt" \
-        templates/xcode.pkr.hcl
-  finalize_script: |
-    if [[ -f "scripts/finalize-$MACOS_VERSION.sh" ]]; then
-      packer build -var vm_name="$MACOS_VERSION-xcode:runner" \
-        -var script_path="scripts/finalize-$MACOS_VERSION.sh" \
-        templates/exex-script.pkr.hcl
-    else
-      echo "Skipping prepare script for $MACOS_VERSION"
-    fi
-  push_script: |
-    if [[ -z "$CIRRUS_PR" ]]; then
-      tart push "$MACOS_VERSION-xcode:runner" ghcr.io/cirruslabs/macos-runner:$MACOS_VERSION
-    else
-      echo "Skipping pushing for PR..."
-    fi
-  always:
-    cleanup_script:
-      - tart delete "$MACOS_VERSION-xcode:runner"

.ci/cirrus.vanilla.yml

@@ -1,27 +0,0 @@
-env:
-  RESOLVE_VM_NAME: "resolve-macos-number-task-id-${CIRRUS_TASK_ID}"
-  RESOLVE_FILE: "${RESOLVE_VM_NAME}.txt"
-
-task:
-  name: "Update Vanilla Image ($MACOS_VERSION)"
-  env:
-    matrix:
-      - MACOS_VERSION: tahoe
-      - MACOS_VERSION: sequoia
-      - MACOS_VERSION: sonoma
-      - MACOS_VERSION: monterey
-  only_if: $CIRRUS_BRANCH == $CIRRUS_DEFAULT_BRANCH && changesInclude("templates/vanilla-$MACOS_VERSION.pkr.hcl")
-  <<: *defaults
-  build_script:
-    - packer init templates/vanilla-$MACOS_VERSION.pkr.hcl
-    - packer build templates/vanilla-$MACOS_VERSION.pkr.hcl
-  resolve_macos_number_script:
-    - packer build -var vm_base_name=$MACOS_VERSION-vanilla -var vm_name=$RESOLVE_VM_NAME -var resolve_file=$RESOLVE_FILE templates/resolve-macos-number.pkr.hcl
-    - echo "MACOS_NUMBER=$(cat $RESOLVE_FILE)" >> $CIRRUS_ENV
-    - rm $RESOLVE_FILE
-    - tart delete $RESOLVE_VM_NAME
-  push_script:
-    - tart push $MACOS_VERSION-vanilla ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:$MACOS_NUMBER
-  always:
-    cleanup_script:
-      - tart delete $MACOS_VERSION-vanilla

.ci/cirrus.xcode.yml

@@ -1,49 +0,0 @@
-task:
-  name: "Update Xcode Images ($MACOS_VERSION $XCODE_VERSION)"
-  depends_on: update-base
-  env:
-    matrix:
-      - MACOS_VERSION: tahoe
-        XCODE_VERSION: "26.2"
-        XCODE_COMPONENTS: "\"MetalToolchain\""
-        LATEST: true
-      - MACOS_VERSION: tahoe
-        XCODE_VERSION: "26.1.1"
-        XCODE_COMPONENTS: "\"MetalToolchain\""
-      - MACOS_VERSION: tahoe
-        XCODE_VERSION: "26.0.1"
-        XCODE_COMPONENTS: "\"MetalToolchain\""
-      - MACOS_VERSION: sequoia
-        XCODE_VERSION: 16.4
-        LATEST: true
-      - MACOS_VERSION: sequoia
-        XCODE_VERSION: 16.3
-      - MACOS_VERSION: sequoia
-        XCODE_VERSION: 16.2
-      - MACOS_VERSION: sequoia
-        XCODE_VERSION: 16.1
-      - MACOS_VERSION: sequoia
-        XCODE_VERSION: 16
-      - MACOS_VERSION: sonoma
-        XCODE_VERSION: 16.1
-        LATEST: true
-      - MACOS_VERSION: sonoma
-        XCODE_VERSION: 16
-      - MACOS_VERSION: sonoma
-        XCODE_VERSION: 15.4
-  <<: *defaults
-  pull_base_script:
-    - tart pull ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest
-  build_xcode_script:
-    - packer init templates/xcode.pkr.hcl
-    - packer build -var macos_version="$MACOS_VERSION" -var xcode_version="[\"$XCODE_VERSION\"]" -var xcode_components="[$XCODE_COMPONENTS]" templates/xcode.pkr.hcl
-  push_script: |
-    if [[ -z "$LATEST" ]]
-    then
-      tart push "$MACOS_VERSION-xcode:$XCODE_VERSION" ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$XCODE_VERSION
-    else
-      tart push "$MACOS_VERSION-xcode:$XCODE_VERSION" ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$XCODE_VERSION ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:latest
-    fi
-  always:
-    cleanup_script:
-      - tart delete "$MACOS_VERSION-xcode:$XCODE_VERSION"

.cirrus.star

@@ -1,52 +0,0 @@
-load("cirrus", "env", "http", "fs", "changes_include")
-load("github.com/cirrus-modules/graphql", "rerun_task_if_issue_in_logs")
-
-
-def on_task_failed(ctx):
-  if ctx.payload.data.task.automaticReRun:
-    print("Task is already an automatic re-run! Won't even try to re-run it...")
-    return
-  rerun_task_if_issue_in_logs(ctx.payload.data.task.id, "The network connection was lost")
-
-
-def on_build_failed(ctx):
-  # Only send Slack notifications for failed cron builds[1]
-  #
-  # [1]: https://cirrus-ci.org/guide/writing-tasks/#cron-builds
-  if "Cron" not in ctx.payload.data.build.changeMessageTitle:
-    return
-
-  resp = http.post(env.get("SLACK_WEBHOOK_URL"), headers={
-    "Content-Type": "application/json",
-  }, json_body={
-    "text": "Build {build_id} (\"{change_message_title}\") failed on branch \"{branch_name}\" in repository \"{repository_name}\".".format(
-      build_id=ctx.payload.data.build.id,
-      change_message_title=ctx.payload.data.build.changeMessageTitle,
-      branch_name=ctx.payload.data.build.branch,
-      repository_name=ctx.payload.data.repository.name,
-    ),
-    "url": "https://cirrus-ci.com/build/{build_id}".format(
-      build_id=ctx.payload.data.build.id,
-    ),
-  })
-
-  if resp.status_code != 200:
-    fail("failed to post message to Slack: got unexpected HTTP {}".format(resp.status_code))
-
-  resp_json = resp.json()
-
-  if resp_json["ok"] != True:
-    fail("got error when posting message to Slack: {}".format(resp_json["error"]))
-
-
-def main(ctx):
-  result = fs.read(".ci/cirrus.vanilla.yml")
-  if env.get("CIRRUS_TAG") != None:
-    result += fs.read(".ci/cirrus.release.yml")
-  if env.get("CIRRUS_CRON") == "monthly":
-    result += fs.read(".ci/cirrus.base.yml")
-    result += fs.read(".ci/cirrus.xcode.yml")
-  prForRunners = env.get("CIRRUS_PR") and changes_include(".ci/cirrus.runner.yml")
-  if prForRunners or env.get("CIRRUS_TAG") != None:
-    result += fs.read(".ci/cirrus.runner.yml")
-  return result

.cirrus.yml

@@ -1,18 +0,0 @@
-persistent_worker:
-  labels:
-    name: dev-mini
-  resources:
-    tart-vms: 1
-
-env:
-  TART_REGISTRY_HOSTNAME: ghcr.io
-  TART_REGISTRY_USERNAME: fkorotkov # GitHub supports only PATs
-  TART_REGISTRY_PASSWORD: ENCRYPTED[!82ed873afdf627284305afef4958c85a8f73127b09978a9786ac521559630ea6c9a5ab6e7f8315abf9ead09b6eff6eae!]
-  AWS_ACCESS_KEY_ID: ENCRYPTED[c187b670a17eead88c1698849376273991d09678efe37ae2f0c9738c27a2422741a71c501ef4b6a4df7bff3eca5213a9]
-  AWS_SECRET_ACCESS_KEY: ENCRYPTED[e456254a53b82e3167f2da23e24c389620cb3f7d47e4e5e7d993813bf9bb18c784d5cb8d88d19632073acc9e1f6096c9]
-
-defaults: &defaults
-  timeout_in: 3h
-  info_script:
-    - tart --version
-    - packer --version

.github/workflows/monthly.yml

@@ -0,0 +1,203 @@
+name: Monthly Images
+
+on:
+  schedule:
+    - cron: "0 8 * * 6"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+concurrency:
+  group: tart-image-builds
+  cancel-in-progress: false
+
+env:
+  TART_REGISTRY_HOSTNAME: ghcr.io
+  TART_REGISTRY_USERNAME: ${{ github.actor }}
+  TART_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  should-run:
+    name: Check Monthly Cadence
+    runs-on: [self-hosted, macOS, ARM64]
+    outputs:
+      build: ${{ steps.cadence.outputs.build }}
+    steps:
+      - name: Check first Saturday
+        id: cadence
+        env:
+          EVENT_NAME: ${{ github.event_name }}
+        run: |
+          set -euo pipefail
+
+          build=false
+          if [[ "$EVENT_NAME" == "workflow_dispatch" ]]; then
+            build=true
+          else
+            day="$(date -u +%d)"
+            if (( 10#$day <= 7 )); then
+              build=true
+            fi
+          fi
+
+          echo "build=$build" >> "$GITHUB_OUTPUT"
+          if [[ "$build" != "true" ]]; then
+            echo "Not the first Saturday of the month; skipping image rebuilds."
+          fi
+
+  update-base:
+    name: Update Base Images (${{ matrix.macos_version }})
+    needs: should-run
+    if: needs.should-run.outputs.build == 'true'
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        include:
+          - macos_version: sonoma
+            disable_sip_template: disable-sip.pkr.hcl
+          - macos_version: sequoia
+            disable_sip_template: disable-sip-with-username.pkr.hcl
+          - macos_version: tahoe
+            disable_sip_template: disable-sip-with-username.pkr.hcl
+    env:
+      MACOS_VERSION: ${{ matrix.macos_version }}
+      DISABLE_SIP_TEMPLATE: ${{ matrix.disable_sip_template }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Tool versions
+        run: |
+          tart --version
+          packer --version
+
+      - name: Pull vanilla image
+        run: |
+          tart pull "ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest"
+          tart clone "ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest" "$MACOS_VERSION-base"
+
+      - name: Disable SIP
+        run: |
+          packer init "templates/$DISABLE_SIP_TEMPLATE"
+          packer build -var "vm_name=$MACOS_VERSION-base" "templates/$DISABLE_SIP_TEMPLATE"
+
+      - name: Build base image
+        run: |
+          packer init templates/base.pkr.hcl
+          packer build -var "vm_name=$MACOS_VERSION-base" templates/base.pkr.hcl
+
+      - name: Push base image
+        run: |
+          tart push "$MACOS_VERSION-base" "ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest"
+
+      - name: Cleanup
+        if: always()
+        run: |
+          tart delete "$MACOS_VERSION-base" || true
+
+  update-xcode:
+    name: Update Xcode Images (${{ matrix.macos_version }} ${{ matrix.xcode_version }})
+    needs:
+      - should-run
+      - update-base
+    if: needs.should-run.outputs.build == 'true'
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        include:
+          - macos_version: tahoe
+            xcode_version: "26.2"
+            xcode_components: '"MetalToolchain"'
+            latest: true
+          - macos_version: tahoe
+            xcode_version: "26.1.1"
+            xcode_components: '"MetalToolchain"'
+            latest: false
+          - macos_version: tahoe
+            xcode_version: "26.0.1"
+            xcode_components: '"MetalToolchain"'
+            latest: false
+          - macos_version: sequoia
+            xcode_version: "16.4"
+            xcode_components: ""
+            latest: true
+          - macos_version: sequoia
+            xcode_version: "16.3"
+            xcode_components: ""
+            latest: false
+          - macos_version: sequoia
+            xcode_version: "16.2"
+            xcode_components: ""
+            latest: false
+          - macos_version: sequoia
+            xcode_version: "16.1"
+            xcode_components: ""
+            latest: false
+          - macos_version: sequoia
+            xcode_version: "16"
+            xcode_components: ""
+            latest: false
+          - macos_version: sonoma
+            xcode_version: "16.1"
+            xcode_components: ""
+            latest: true
+          - macos_version: sonoma
+            xcode_version: "16"
+            xcode_components: ""
+            latest: false
+          - macos_version: sonoma
+            xcode_version: "15.4"
+            xcode_components: ""
+            latest: false
+    env:
+      MACOS_VERSION: ${{ matrix.macos_version }}
+      XCODE_COMPONENTS: ${{ matrix.xcode_components }}
+      XCODE_VERSION: ${{ matrix.xcode_version }}
+      LATEST: ${{ matrix.latest }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Tool versions
+        run: |
+          tart --version
+          packer --version
+
+      - name: Pull base image
+        run: |
+          tart pull "ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest"
+
+      - name: Build Xcode image
+        run: |
+          packer init templates/xcode.pkr.hcl
+          packer build \
+            -var "macos_version=$MACOS_VERSION" \
+            -var "xcode_version=[\"$XCODE_VERSION\"]" \
+            -var "xcode_components=[$XCODE_COMPONENTS]" \
+            templates/xcode.pkr.hcl
+
+      - name: Push Xcode image
+        run: |
+          if [[ "$LATEST" == "true" ]]; then
+            tart push "$MACOS_VERSION-xcode:$XCODE_VERSION" \
+              "ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$XCODE_VERSION" \
+              "ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:latest"
+          else
+            tart push "$MACOS_VERSION-xcode:$XCODE_VERSION" \
+              "ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$XCODE_VERSION"
+          fi
+
+      - name: Cleanup
+        if: always()
+        run: |
+          tart delete "$MACOS_VERSION-xcode:$XCODE_VERSION" || true

.github/workflows/release.yml

@@ -0,0 +1,167 @@
+name: Release Images
+
+on:
+  release:
+    types:
+      - published
+  workflow_dispatch:
+    inputs:
+      xcode_version:
+        description: "Xcode version/tag to release"
+        required: true
+        type: string
+
+permissions:
+  contents: read
+  packages: write
+
+concurrency:
+  group: tart-image-builds
+  cancel-in-progress: false
+
+env:
+  TART_REGISTRY_HOSTNAME: ghcr.io
+  TART_REGISTRY_USERNAME: ${{ github.actor }}
+  TART_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+  XCODE_RELEASE_VERSION: ${{ github.event.release.tag_name || inputs.xcode_version }}
+
+jobs:
+  release-xcode:
+    name: Release Xcode ${{ github.event.release.tag_name || inputs.xcode_version }} (${{ matrix.macos_version }})
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        macos_version:
+          - tahoe
+          - sequoia
+    env:
+      MACOS_VERSION: ${{ matrix.macos_version }}
+      XCODE_COMPONENTS: '"MetalToolchain"'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Validate release version
+        run: |
+          set -euo pipefail
+          if [[ -z "$XCODE_RELEASE_VERSION" ]]; then
+            echo "XCODE_RELEASE_VERSION is required."
+            exit 1
+          fi
+
+      - name: Tool versions
+        run: |
+          tart --version
+          packer --version
+
+      - name: Pull base image
+        run: |
+          tart pull "ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest"
+
+      - name: Build release image
+        run: |
+          packer init templates/xcode.pkr.hcl
+          packer build \
+            -var "macos_version=$MACOS_VERSION" \
+            -var "xcode_version=[\"$XCODE_RELEASE_VERSION\"]" \
+            -var "xcode_components=[$XCODE_COMPONENTS]" \
+            templates/xcode.pkr.hcl
+
+      - name: Push release image
+        run: |
+          if [[ "$XCODE_RELEASE_VERSION" == *beta* ]]; then
+            tart push "$MACOS_VERSION-xcode:$XCODE_RELEASE_VERSION" \
+              "ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$XCODE_RELEASE_VERSION"
+          else
+            tart push "$MACOS_VERSION-xcode:$XCODE_RELEASE_VERSION" \
+              "ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:$XCODE_RELEASE_VERSION" \
+              "ghcr.io/cirruslabs/macos-$MACOS_VERSION-xcode:latest"
+          fi
+
+      - name: Cleanup
+        if: always()
+        run: |
+          tart delete "$MACOS_VERSION-xcode:$XCODE_RELEASE_VERSION" || true
+
+  release-runner:
+    name: Update Runner Image (${{ matrix.macos_version }})
+    # Keep runner refreshes independent from the release-xcode matrix so one
+    # Xcode image failure does not skip the runner matrix.
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        include:
+          - macos_version: sequoia
+            xcode_versions: '"26.0.1",16.4,16.3,16.2,16.1,16'
+            additional_ios_builds: "18.5,18.4,18.2,17.5"
+            additional_tvos_builds: "17.5"
+            xcode_components: '"MetalToolchain"'
+            disk_size: 380
+          - macos_version: tahoe
+            xcode_versions: '"26.6","27-beta-4","26.5","27-beta","26.4.1","26.3","26.2","26.1.1","26.0.1"'
+            additional_ios_builds: "18.6"
+            additional_tvos_builds: ""
+            xcode_components: '"MetalToolchain"'
+            disk_size: 520
+    env:
+      ADDITIONAL_IOS_BUILDS: ${{ matrix.additional_ios_builds }}
+      ADDITIONAL_TVOS_BUILDS: ${{ matrix.additional_tvos_builds }}
+      DISK_SIZE: ${{ matrix.disk_size }}
+      MACOS_VERSION: ${{ matrix.macos_version }}
+      XCODE_COMPONENTS: ${{ matrix.xcode_components }}
+      XCODE_VERSIONS: ${{ matrix.xcode_versions }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Tool versions
+        run: |
+          tart --version
+          packer --version
+
+      - name: Pull base image
+        run: |
+          tart pull "ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest"
+
+      - name: Build runner image
+        run: |
+          packer init templates/xcode.pkr.hcl
+          packer build \
+            -var tag=runner \
+            -var "disk_size=$DISK_SIZE" \
+            -var disk_free_mb=100000 \
+            -var "macos_version=$MACOS_VERSION" \
+            -var "xcode_version=[$XCODE_VERSIONS]" \
+            -var "additional_ios_builds=[$ADDITIONAL_IOS_BUILDS]" \
+            -var "additional_tvos_builds=[$ADDITIONAL_TVOS_BUILDS]" \
+            -var "xcode_components=[$XCODE_COMPONENTS]" \
+            -var "expected_runtimes_file=data/expected.$MACOS_VERSION.runtimes.txt" \
+            templates/xcode.pkr.hcl
+
+      - name: Finalize runner image
+        run: |
+          if [[ -f "scripts/finalize-$MACOS_VERSION.sh" ]]; then
+            packer build \
+              -var "vm_name=$MACOS_VERSION-xcode:runner" \
+              -var "script_path=scripts/finalize-$MACOS_VERSION.sh" \
+              templates/exex-script.pkr.hcl
+          else
+            echo "Skipping prepare script for $MACOS_VERSION"
+          fi
+
+      - name: Push runner image
+        run: |
+          tart push "$MACOS_VERSION-xcode:runner" "ghcr.io/cirruslabs/macos-runner:$MACOS_VERSION"
+
+      - name: Cleanup
+        if: always()
+        run: |
+          tart delete "$MACOS_VERSION-xcode:runner" || true

.github/workflows/template-validation.yml

@@ -0,0 +1,381 @@
+name: Template Builds
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/monthly.yml"
+      - ".github/workflows/release.yml"
+      - ".github/workflows/template-validation.yml"
+      - "data/**"
+      - "scripts/**"
+      - "templates/**"
+
+permissions:
+  contents: read
+  packages: read
+
+concurrency:
+  group: template-builds-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  FASTLANE_SESSION: ${{ secrets.FASTLANE_SESSION }}
+  FASTLANE_USER: ${{ secrets.FASTLANE_USER }}
+  HOMEBREW_NO_AUTO_UPDATE: 1
+  HOMEBREW_NO_INSTALL_CLEANUP: 1
+  PACKER_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  TART_REGISTRY_HOSTNAME: ghcr.io
+  TART_REGISTRY_USERNAME: ${{ github.actor }}
+  TART_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  packer-validate:
+    name: Packer Validate
+    runs-on: macos-15
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Packer
+        uses: hashicorp/setup-packer@v3
+
+      - name: Install validation dependencies
+        run: |
+          brew install ansible
+
+      - name: Prepare validation inputs
+        run: |
+          mkdir -p "$HOME/XcodesCache"
+          touch "$HOME/XcodesCache/Xcode_26.6.xip"
+
+      - name: Validate templates
+        run: |
+          set -euo pipefail
+
+          validate() {
+            local template="$1"
+            shift
+
+            packer init "$template"
+            packer validate "$@" "$template"
+          }
+
+          for template in templates/vanilla-*.pkr.hcl; do
+            validate "$template"
+          done
+
+          validate templates/base.pkr.hcl \
+            -var vm_name=template-validation-base
+
+          validate templates/disable-sip.pkr.hcl \
+            -var vm_name=template-validation-disable-sip
+
+          validate templates/disable-sip-with-username.pkr.hcl \
+            -var vm_name=template-validation-disable-sip-user
+
+          validate templates/exex-script.pkr.hcl \
+            -var vm_name=template-validation-exec \
+            -var script_path=scripts/finalize-tahoe.sh
+
+          validate templates/resolve-macos-number.pkr.hcl \
+            -var vm_base_name=template-validation-base \
+            -var vm_name=template-validation-resolve \
+            -var resolve_file=macos-version.txt
+
+          validate templates/xcode.pkr.hcl \
+            -var macos_version=tahoe \
+            -var 'xcode_version=["26.6"]' \
+            -var expected_runtimes_file=data/expected.tahoe.runtimes.txt
+
+  build-vanilla:
+    name: Build Vanilla Image (${{ matrix.macos_version }})
+    needs: packer-validate
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        macos_version:
+          - golden-gate
+          - tahoe
+          - sequoia
+          - sonoma
+          - monterey
+    env:
+      MACOS_VERSION: ${{ matrix.macos_version }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Select image
+        id: select
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha }}
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+        run: |
+          set -euo pipefail
+
+          git diff --name-only "$BASE_SHA" "$HEAD_SHA" > changed-files.txt
+
+          build=false
+          if grep -Fxq "templates/vanilla-$MACOS_VERSION.pkr.hcl" changed-files.txt; then
+            build=true
+          fi
+
+          echo "build=$build" >> "$GITHUB_OUTPUT"
+
+      - name: Tool versions
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart --version
+          packer --version
+
+      - name: Build vanilla image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          packer init "templates/vanilla-$MACOS_VERSION.pkr.hcl"
+          packer build "templates/vanilla-$MACOS_VERSION.pkr.hcl"
+
+      - name: Cleanup
+        if: always() && steps.select.outputs.build == 'true'
+        run: |
+          tart delete "$MACOS_VERSION-vanilla" || true
+
+  build-base:
+    name: Build Base Image (${{ matrix.macos_version }})
+    needs: packer-validate
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        include:
+          - macos_version: sonoma
+            disable_sip_template: disable-sip.pkr.hcl
+          - macos_version: sequoia
+            disable_sip_template: disable-sip-with-username.pkr.hcl
+          - macos_version: tahoe
+            disable_sip_template: disable-sip-with-username.pkr.hcl
+    env:
+      DISABLE_SIP_TEMPLATE: ${{ matrix.disable_sip_template }}
+      MACOS_VERSION: ${{ matrix.macos_version }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Select image
+        id: select
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha }}
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+        run: |
+          set -euo pipefail
+
+          git diff --name-only "$BASE_SHA" "$HEAD_SHA" > changed-files.txt
+
+          build=false
+          if grep -Eq '^(templates/base\.pkr\.hcl|templates/disable-sip.*\.pkr\.hcl|data/(github_known_hosts|limit\.maxfiles\.plist|setup-info-template\.json|tart-guest-.*\.plist)|scripts/(install-actions-runner|update-tcc-database)\.sh|ansible/)' changed-files.txt; then
+            build=true
+          fi
+
+          echo "build=$build" >> "$GITHUB_OUTPUT"
+
+      - name: Tool versions
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart --version
+          packer --version
+
+      - name: Pull vanilla image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart pull "ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest"
+          tart clone "ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest" "$MACOS_VERSION-base"
+
+      - name: Disable SIP
+        if: steps.select.outputs.build == 'true'
+        run: |
+          packer init "templates/$DISABLE_SIP_TEMPLATE"
+          packer build -var "vm_name=$MACOS_VERSION-base" "templates/$DISABLE_SIP_TEMPLATE"
+
+      - name: Build base image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          packer init templates/base.pkr.hcl
+          packer build -var "vm_name=$MACOS_VERSION-base" templates/base.pkr.hcl
+
+      - name: Cleanup
+        if: always() && steps.select.outputs.build == 'true'
+        run: |
+          tart delete "$MACOS_VERSION-base" || true
+
+  build-runner:
+    name: Build Runner Image (${{ matrix.macos_version }})
+    needs: packer-validate
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        include:
+          - macos_version: tahoe
+            xcode_versions: '"26.6","27-beta-2","26.5","27-beta","26.4.1","26.3","26.2","26.1.1","26.0.1"'
+            additional_ios_builds: "18.6"
+            additional_tvos_builds: ""
+            xcode_components: '"MetalToolchain"'
+            disk_size: 520
+          - macos_version: sequoia
+            xcode_versions: '"26.0.1",16.4,16.3,16.2,16.1,16'
+            additional_ios_builds: "18.5,18.4,18.2,17.5"
+            additional_tvos_builds: "17.5"
+            xcode_components: '"MetalToolchain"'
+            disk_size: 380
+    env:
+      ADDITIONAL_IOS_BUILDS: ${{ matrix.additional_ios_builds }}
+      ADDITIONAL_TVOS_BUILDS: ${{ matrix.additional_tvos_builds }}
+      DISK_SIZE: ${{ matrix.disk_size }}
+      MACOS_VERSION: ${{ matrix.macos_version }}
+      XCODE_COMPONENTS: ${{ matrix.xcode_components }}
+      XCODE_VERSIONS: ${{ matrix.xcode_versions }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Select image
+        id: select
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha }}
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+        run: |
+          set -euo pipefail
+
+          git diff --name-only "$BASE_SHA" "$HEAD_SHA" > changed-files.txt
+
+          build=false
+          if grep -Fxq ".github/workflows/release.yml" changed-files.txt; then
+            build=true
+          elif grep -Fxq "data/expected.$MACOS_VERSION.runtimes.txt" changed-files.txt; then
+            build=true
+          elif grep -Fxq "scripts/finalize-$MACOS_VERSION.sh" changed-files.txt; then
+            build=true
+          elif grep -Eq '^(templates/xcode\.pkr\.hcl|data/setup-info-template\.json|scripts/install-actions-runner\.sh)$' changed-files.txt; then
+            build=true
+          fi
+
+          echo "build=$build" >> "$GITHUB_OUTPUT"
+
+      - name: Tool versions
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart --version
+          packer --version
+
+      - name: Pull base image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart pull "ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest"
+
+      - name: Prepare Xcode archives
+        if: steps.select.outputs.build == 'true'
+        run: |
+          set -euo pipefail
+
+          source ~/.zprofile || true
+
+          if ! command -v xcodes >/dev/null; then
+            brew install xcodes
+          fi
+
+          mkdir -p "$HOME/XcodesCache"
+          IFS=',' read -ra versions <<< "$XCODE_VERSIONS"
+
+          for raw_version in "${versions[@]}"; do
+            version="${raw_version//\"/}"
+            target="$HOME/XcodesCache/Xcode_${version}.xip"
+
+            if [[ -f "$target" ]]; then
+              echo "Using cached Xcode $version at $target"
+              continue
+            fi
+
+            echo "Downloading Xcode $version"
+            if [[ -z "${FASTLANE_SESSION:-}" ]]; then
+              echo "::error::Missing $target and FASTLANE_SESSION is not configured. Pre-cache the Xcode archive on the runner or add Apple Developer auth secrets."
+              exit 1
+            fi
+
+            download_args=(download "$version" --directory "$HOME/XcodesCache" --use-fastlane-auth)
+            if [[ -n "${FASTLANE_USER:-}" ]]; then
+              download_args+=(--fastlane-user "$FASTLANE_USER")
+            fi
+            xcodes "${download_args[@]}"
+
+            candidate=""
+            case "$version" in
+              27-beta-2)
+                candidate="$HOME/XcodesCache/Xcode_27_beta_2.xip"
+                ;;
+              27-beta)
+                candidate="$HOME/XcodesCache/Xcode_27_beta.xip"
+                ;;
+              *)
+                candidate="$(find "$HOME/XcodesCache" -maxdepth 1 -type f -name "Xcode_${version}*.xip" -print -quit)"
+                ;;
+            esac
+
+            if [[ -n "$candidate" && -f "$candidate" && "$candidate" != "$target" ]]; then
+              mv "$candidate" "$target"
+            fi
+
+            test -f "$target"
+          done
+
+      - name: Build runner image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          packer init templates/xcode.pkr.hcl
+          packer build \
+            -var tag=runner \
+            -var "disk_size=$DISK_SIZE" \
+            -var disk_free_mb=100000 \
+            -var "macos_version=$MACOS_VERSION" \
+            -var "xcode_version=[$XCODE_VERSIONS]" \
+            -var "additional_ios_builds=[$ADDITIONAL_IOS_BUILDS]" \
+            -var "additional_tvos_builds=[$ADDITIONAL_TVOS_BUILDS]" \
+            -var "xcode_components=[$XCODE_COMPONENTS]" \
+            -var "expected_runtimes_file=data/expected.$MACOS_VERSION.runtimes.txt" \
+            templates/xcode.pkr.hcl
+
+      - name: Finalize runner image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          if [[ -f "scripts/finalize-$MACOS_VERSION.sh" ]]; then
+            packer build \
+              -var "vm_name=$MACOS_VERSION-xcode:runner" \
+              -var "script_path=scripts/finalize-$MACOS_VERSION.sh" \
+              templates/exex-script.pkr.hcl
+          else
+            echo "Skipping prepare script for $MACOS_VERSION"
+          fi
+
+      - name: Cleanup
+        if: always() && steps.select.outputs.build == 'true'
+        run: |
+          tart delete "$MACOS_VERSION-xcode:runner" || true

.github/workflows/vanilla.yml

@@ -0,0 +1,129 @@
+name: Vanilla Images
+
+on:
+  push:
+    paths:
+      - "templates/vanilla-*.pkr.hcl"
+  workflow_dispatch:
+    inputs:
+      macos_version:
+        description: "macOS vanilla image to build"
+        required: true
+        default: all
+        type: choice
+        options:
+          - all
+          - golden-gate
+          - tahoe
+          - sequoia
+          - sonoma
+          - monterey
+
+permissions:
+  contents: read
+  packages: write
+
+concurrency:
+  group: tart-image-builds
+  cancel-in-progress: false
+
+env:
+  TART_REGISTRY_HOSTNAME: ghcr.io
+  TART_REGISTRY_USERNAME: ${{ github.actor }}
+  TART_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  update-vanilla:
+    name: Update Vanilla Image (${{ matrix.macos_version }})
+    if: >-
+      ${{
+        github.event_name == 'workflow_dispatch' ||
+        github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
+      }}
+    runs-on: [self-hosted, macOS, ARM64]
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        macos_version:
+          - golden-gate
+          - tahoe
+          - sequoia
+          - sonoma
+          - monterey
+    env:
+      MACOS_VERSION: ${{ matrix.macos_version }}
+      RESOLVE_VM_NAME: resolve-macos-number-${{ github.run_id }}-${{ github.run_attempt }}-${{ matrix.macos_version }}
+      RESOLVE_FILE: resolve-macos-number-${{ github.run_id }}-${{ github.run_attempt }}-${{ matrix.macos_version }}.txt
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Select image
+        id: select
+        env:
+          BEFORE_SHA: ${{ github.event.before }}
+          EVENT_NAME: ${{ github.event_name }}
+          INPUT_MACOS_VERSION: ${{ inputs.macos_version || 'all' }}
+        run: |
+          set -euo pipefail
+
+          build=false
+          if [[ "$EVENT_NAME" == "workflow_dispatch" ]]; then
+            if [[ "$INPUT_MACOS_VERSION" == "all" || "$INPUT_MACOS_VERSION" == "$MACOS_VERSION" ]]; then
+              build=true
+            fi
+          else
+            if [[ "$BEFORE_SHA" =~ ^0+$ ]]; then
+              git diff-tree --no-commit-id --name-only -r "$GITHUB_SHA" > changed-files.txt
+            else
+              git diff --name-only "$BEFORE_SHA" "$GITHUB_SHA" > changed-files.txt
+            fi
+
+            if grep -Fxq "templates/vanilla-$MACOS_VERSION.pkr.hcl" changed-files.txt; then
+              build=true
+            fi
+          fi
+
+          echo "build=$build" >> "$GITHUB_OUTPUT"
+
+      - name: Tool versions
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart --version
+          packer --version
+
+      - name: Build vanilla image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          packer init "templates/vanilla-$MACOS_VERSION.pkr.hcl"
+          packer build "templates/vanilla-$MACOS_VERSION.pkr.hcl"
+
+      - name: Resolve macOS version
+        id: resolve
+        if: steps.select.outputs.build == 'true'
+        run: |
+          packer build \
+            -var "vm_base_name=$MACOS_VERSION-vanilla" \
+            -var "vm_name=$RESOLVE_VM_NAME" \
+            -var "resolve_file=$RESOLVE_FILE" \
+            templates/resolve-macos-number.pkr.hcl
+          echo "macos_number=$(cat "$RESOLVE_FILE")" >> "$GITHUB_OUTPUT"
+          rm -f "$RESOLVE_FILE"
+
+      - name: Push vanilla image
+        if: steps.select.outputs.build == 'true'
+        run: |
+          tart push "$MACOS_VERSION-vanilla" \
+            "ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:latest" \
+            "ghcr.io/cirruslabs/macos-$MACOS_VERSION-vanilla:${{ steps.resolve.outputs.macos_number }}"
+
+      - name: Cleanup
+        if: always() && steps.select.outputs.build == 'true'
+        run: |
+          tart delete "$MACOS_VERSION-vanilla" || true
+          tart delete "$RESOLVE_VM_NAME" || true

README.md

@@ -1,11 +1,11 @@
 ## macOS Packer Templates for Tart
 
-Repository with Packer templates to build macOS [Tart](https://tart.run/) virtual machines to use with [Cirrus Runners](https://cirrus-runners.app/),
+Repository with Packer templates to build macOS [Tart](https://tart.run/) virtual machines to use with self-hosted
-[Cirrus CI](https://cirrus-ci.org/guide/macOS/) or [any other automation](https://tart.run/integrations/cirrus-cli/).
+GitHub Actions runners, [Cirrus Runners](https://cirrus-runners.app/) or [any other automation](https://tart.run/integrations/cirrus-cli/).
 
 The following image variants are currently available:
 
-* `macos-{tahoe,sequoia,sonoma}-vanilla` — a vanilla macOS installation with helpful tweaks such as auto-login, but no additional software preinstalled
+* `macos-{golden-gate,tahoe,sequoia,sonoma}-vanilla` — a vanilla macOS installation with helpful tweaks such as auto-login, but no additional software preinstalled
 * `macos-{tahoe,sequoia,sonoma}-base` — based on `macos-{tahoe,sequoia,sonoma}-vanilla` image, it comes with `brew` and [other useful software](https://github.com/cirruslabs/macos-image-templates/blob/main/templates/base.pkr.hcl) pre-installed, but without Xcode
 * `macos-{tahoe,sequoia,sonoma}-xcode:N` — based on `macos-{tahoe,sequoia,sonoma}-base` image and has `Xcode N` with [`Flutter`](https://flutter.dev/) pre-installed
 * `macos-runner:{tahoe,sequoia,sonoma}` — a variant of `xcode:N` with several versions of `Xcode` pre-installed and [`xcodes` tool](https://github.com/XcodesOrg/xcodes) to switch between them.
@@ -22,4 +22,4 @@ Please watch this repository releases to get notified about new images.
 
 Some of the images are regularly getting rebuild in order to update the pre-installed packages. 
 
-[This configuration file](.ci/cirrus.release.yml) defines images that are getting rebuilt monthly on the first Saturday of the month.
+[This workflow](.github/workflows/monthly.yml) defines images that are getting rebuilt monthly on the first Saturday of the month.

data/expected.tahoe.runtimes.txt

@@ -5,12 +5,11 @@ iOS 26.1 (26.1 - 23B86) - com.apple.CoreSimulator.SimRuntime.iOS-26-1
 iOS 26.3 (26.3.1 - 23D8133) - com.apple.CoreSimulator.SimRuntime.iOS-26-3
 iOS 26.4 (26.4.1 - 23E254a) - com.apple.CoreSimulator.SimRuntime.iOS-26-4
 iOS 26.5 (26.5 - 23F77) - com.apple.CoreSimulator.SimRuntime.iOS-26-5
-tvOS 26.2 (26.2 - 23K51) - com.apple.CoreSimulator.SimRuntime.tvOS-26-2
+iOS 27.0 (27.0 - 24A5355p) - com.apple.CoreSimulator.SimRuntime.iOS-27-0
-tvOS 26.4 (26.4 - 23L243a) - com.apple.CoreSimulator.SimRuntime.tvOS-26-4
+iOS 27.0 (27.0 - 24A5370g) - com.apple.CoreSimulator.SimRuntime.iOS-27-0
 tvOS 26.5 (26.5 - 23L470) - com.apple.CoreSimulator.SimRuntime.tvOS-26-5
-watchOS 26.2 (26.2 - 23S303) - com.apple.CoreSimulator.SimRuntime.watchOS-26-2
+tvOS 27.0 (27.0 - 24J5305f) - com.apple.CoreSimulator.SimRuntime.tvOS-27-0
-watchOS 26.4 (26.4 - 23T240b) - com.apple.CoreSimulator.SimRuntime.watchOS-26-4
 watchOS 26.5 (26.5 - 23T570) - com.apple.CoreSimulator.SimRuntime.watchOS-26-5
-visionOS 26.2 (26.2 - 23N301) - com.apple.CoreSimulator.SimRuntime.xrOS-26-2
+watchOS 27.0 (27.0 - 24R5305f) - com.apple.CoreSimulator.SimRuntime.watchOS-27-0
-visionOS 26.4 (26.4.1 - 23O249a) - com.apple.CoreSimulator.SimRuntime.xrOS-26-4
 visionOS 26.5 (26.5 - 23O470) - com.apple.CoreSimulator.SimRuntime.xrOS-26-5
+visionOS 27.0 (27.0 - 24M5306g) - com.apple.CoreSimulator.SimRuntime.xrOS-27-0

scripts/update-tcc-database.sh

@@ -13,7 +13,10 @@ source ~/.zprofile
 set -euo pipefail
 
 update_tcc_database() {
-  sudo sqlite3 "$1" <<-'EOF'
+  local tart_guest_agent_path
+  tart_guest_agent_path="$(realpath /opt/homebrew/bin/tart-guest-agent)"
+
+  sudo sqlite3 "$1" <<-EOF
 	INSERT OR REPLACE
 	INTO access (
 	  service,
@@ -36,7 +39,17 @@ update_tcc_database() {
 	('kTCCServiceScreenCapture', 1, '/usr/bin/osascript', 2, 0, 1, NULL, 'UNUSED'),
 	('kTCCServicePostEvent', 1, '/usr/bin/osascript', 2, 0, 1, NULL, 'UNUSED'),
 	('kTCCServiceAppleEvents', 1, '/usr/bin/osascript', 2, 0, 1, 0, 'com.apple.systemevents'),
-	('kTCCServiceAppleEvents', 1, '/usr/bin/osascript', 2, 0, 1, 0, 'com.apple.Safari');
+	('kTCCServiceAppleEvents', 1, '/usr/bin/osascript', 2, 0, 1, 0, 'com.apple.Safari'),
+	-- Direct Python invocation
+	('kTCCServiceAccessibility', 0, 'org.python.python', 2, 0, 1, NULL, 'UNUSED'),
+	('kTCCServiceScreenCapture', 0, 'org.python.python', 2, 0, 1, NULL, 'UNUSED'),
+	('kTCCServiceMicrophone', 0, 'org.python.python', 2, 0, 1, NULL, 'UNUSED'),
+	('kTCCServicePostEvent', 0, 'org.python.python', 2, 0, 1, NULL, 'UNUSED'),
+	-- Commands invoked through the Tart Guest Agent
+	('kTCCServiceAccessibility', 1, '${tart_guest_agent_path}', 2, 0, 1, NULL, 'UNUSED'),
+	('kTCCServiceScreenCapture', 1, '${tart_guest_agent_path}', 2, 0, 1, NULL, 'UNUSED'),
+	('kTCCServiceMicrophone', 1, '${tart_guest_agent_path}', 2, 0, 1, NULL, 'UNUSED'),
+	('kTCCServicePostEvent', 1, '${tart_guest_agent_path}', 2, 0, 1, NULL, 'UNUSED');
 	EOF
 }
 

templates/base.pkr.hcl

@@ -64,7 +64,7 @@ build {
       "brew --version",
       "brew update",
       "brew install wget unzip zip ca-certificates cmake gcc git-lfs jq yq gh gitlab-runner",
-      "brew install buildkite/buildkite/buildkite-agent",
+      "brew install buildkite/buildkite/buildkite-agent@3",
       "brew install equinix-labs/otel-cli/otel-cli",
       "brew install curl || true", // doesn't work on Monterey
       "brew install --cask git-credential-manager",
@@ -121,8 +121,12 @@ build {
       "echo 'export PATH=\"/opt/homebrew/opt/node@24/bin:$PATH\"' >> ~/.zprofile",
       "source ~/.zprofile",
       "node --version",
-      "npm install --global yarn",
+      "npm install --global yarn pnpm",
+      "echo 'export PNPM_HOME=\"$HOME/Library/pnpm\"' >> ~/.zprofile",
+      "echo 'export PATH=\"$PNPM_HOME:$PATH\"' >> ~/.zprofile",
+      "source ~/.zprofile",
       "yarn --version",
+      "pnpm --version",
     ]
   }
   provisioner "shell" {
@@ -164,7 +168,7 @@ build {
     inline = [
       # Install Tart Guest Agent
       "source ~/.zprofile",
-      "brew install cirruslabs/cli/tart-guest-agent",
+      "brew install openai/tools/tart-guest-agent",
 
       # Install daemon variant of the Tart Guest Agent
       "sudo mv ~/tart-guest-daemon.plist /Library/LaunchDaemons/org.cirruslabs.tart-guest-daemon.plist",

templates/vanilla-golden-gate.pkr.hcl

@@ -0,0 +1,107 @@
+packer {
+  required_plugins {
+    tart = {
+      version = ">= 1.16.0"
+      source  = "github.com/cirruslabs/tart"
+    }
+    ansible = {
+      version = "~> 1"
+      source  = "github.com/hashicorp/ansible"
+    }
+  }
+}
+
+source "tart-cli" "tart" {
+  from_ipsw    = "https://updates.cdn-apple.com/2026SummerSeed/fullrestores/140-55718/5809AFC6-1923-4590-AAFC-904A0283E659/UniversalMac_27.0_26A5388g_Restore.ipsw"
+  vm_name      = "golden-gate-vanilla"
+  cpu_count    = 4
+  memory_gb    = 8
+  disk_size_gb = 50
+  disk_format  = "asif"
+  ssh_password = "admin"
+  ssh_username = "admin"
+  ssh_timeout  = "180s"
+  // Requires Tart 2.33.0+ and macOS 27+ on both the host and guest VM
+  run_extra_args = [
+    "--provisioning-opts=${join(",", [
+      "fullName=Managed via Tart",
+      "username=admin",
+      "password=admin",
+      "logsInAutomatically=true",
+      "enablesRemoteLogin=true",
+    ])}",
+  ]
+  boot_command = [
+    # Wait for first-boot provisioning to finish automatic login
+    "<wait120s>",
+    # Enable Keyboard navigation
+    # This is so that we can navigate the System Settings app using the keyboard
+    "<wait10s><leftAltOn><spacebar><leftAltOff>Terminal<wait10s><enter>",
+    "<wait10s><wait10s>defaults write NSGlobalDomain AppleKeyboardUIMode -int 3<enter>",
+    # Disable Gatekeeper (1/2)
+    "<wait10s>sudo spctl --global-disable<enter>",
+    "<wait10s>admin<enter>",
+    # Disable Gatekeeper (2/2)
+    # On Tahoe opening System Settings through Spotlight is not very reliable, sometimes opens System information
+    "<wait10s>open '/System/Applications/System Settings.app'<enter>",
+    # Wait for System Settings to fully open before navigating with the keyboard
+    "<wait120s>",
+    "<wait10s><leftCtrlOn><f2><leftCtrlOff><right><right><right><down>Privacy & Security<enter>",
+    "<wait10s><leftShiftOn><tab><tab><tab><tab><tab><tab><leftShiftOff>",
+    "<wait10s><down><wait1s><down><wait1s><enter>",
+    "<wait10s>admin<enter>",
+    "<wait10s><leftShiftOn><tab><leftShiftOff><wait1s><spacebar>",
+    # Quit System Settings
+    "<wait10s><leftAltOn>q<leftAltOff>",
+  ]
+
+  // A (hopefully) temporary workaround for Virtualization.Framework's
+  // installation process not fully finishing in a timely manner
+  create_grace_time = "30s"
+
+  // Keep the recovery partition, otherwise it's not possible to "softwareupdate"
+  recovery_partition = "keep"
+}
+
+build {
+  sources = ["source.tart-cli.tart"]
+
+  provisioner "shell" {
+    inline = [
+      // Enable passwordless sudo
+      "echo admin | sudo -S sh -c \"mkdir -p /etc/sudoers.d/; echo 'admin ALL=(ALL) NOPASSWD: ALL' | EDITOR=tee visudo /etc/sudoers.d/admin-nopasswd\"",
+      // Enable Screen Sharing for "tart run --vnc"
+      "sudo launchctl enable system/com.apple.screensharing",
+      // Use the same timezone as the previous Setup Assistant flow
+      "sudo systemsetup -settimezone GMT 2>/dev/null",
+      // Disable screensaver at login screen
+      "sudo defaults write /Library/Preferences/com.apple.screensaver loginWindowIdleTime 0",
+      // Disable screensaver for admin user
+      "defaults -currentHost write com.apple.screensaver idleTime 0",
+      // Prevent the VM from sleeping
+      "sudo systemsetup -setsleep Off 2>/dev/null",
+      // Launch Safari to populate the defaults
+      "/Applications/Safari.app/Contents/MacOS/Safari &",
+      "SAFARI_PID=$!",
+      "disown",
+      "sleep 30",
+      "kill -9 $SAFARI_PID",
+      // Enable Safari's remote automation
+      "sudo safaridriver --enable",
+      // Disable screen lock
+      //
+      // Note that this only works if the user is logged-in,
+      // i.e. not on login screen.
+      "sysadminctl -screenLock off -password admin",
+    ]
+  }
+
+  provisioner "shell" {
+    inline = [
+      # Ensure that Gatekeeper is disabled
+      "spctl --status | grep -q 'assessments disabled'",
+      # Ensure that FileVault remains disabled by default
+      "sudo fdesetup status | grep -q 'FileVault is Off'",
+    ]
+  }
+}

templates/vanilla-tahoe.pkr.hcl

@@ -6,13 +6,13 @@ packer {
     }
     ansible = {
       version = "~> 1"
-      source = "github.com/hashicorp/ansible"
+      source  = "github.com/hashicorp/ansible"
     }
   }
 }
 
 source "tart-cli" "tart" {
-  from_ipsw    = "https://updates.cdn-apple.com/2026SpringFCS/fullrestores/122-58869/DFB1CEEF-5619-4591-9924-E20DB2C8FED0/UniversalMac_26.5_25F71_Restore.ipsw"
+  from_ipsw    = "https://updates.cdn-apple.com/2026SummerFCS/fullrestores/140-83079/25315EF6-AEAB-4588-9774-A3723774C47F/UniversalMac_26.6.1_25G76_Restore.ipsw"
   vm_name      = "tahoe-vanilla"
   cpu_count    = 4
   memory_gb    = 8

templates/xcode.pkr.hcl

@@ -16,39 +16,39 @@ variable "xcode_version" {
 }
 
 variable "additional_ios_builds" {
-  type = list(string)
+  type    = list(string)
   default = []
 }
 
 variable "additional_tvos_builds" {
-  type = list(string)
+  type    = list(string)
   default = []
 }
 
 variable "xcode_components" {
-  type    = list(string)
+  type        = list(string)
-  default = []
+  default     = []
   description = "Additional Xcode components to download."
 }
 
 variable "expected_runtimes_file" {
-  type    = string
+  type        = string
-  default = ""
+  default     = ""
   description = "Path to file containing expected simulator runtimes. If empty, runtime verification is skipped."
 }
 
 variable "tag" {
-  type = string
+  type    = string
   default = ""
 }
 
 variable "disk_size" {
-  type = number
+  type    = number
   default = 140
 }
 
 variable "disk_free_mb" {
-  type = number
+  type    = number
   default = 15000
 }
 
@@ -146,7 +146,7 @@ build {
   }
 
   provisioner "file" {
-    sources      = [ for version in var.xcode_version : pathexpand("~/XcodesCache/Xcode_${version}.xip")]
+    sources     = [for version in var.xcode_version : pathexpand("~/XcodesCache/Xcode_${version}.xip")]
     destination = "/Users/admin/Downloads/"
   }
 
@@ -161,7 +161,7 @@ build {
   // select the latest one as the default
   dynamic "provisioner" {
     for_each = local.xcode_install_provisioners
-    labels = ["shell"]
+    labels   = ["shell"]
     content {
       inline = provisioner.value.inline
     }
@@ -169,11 +169,11 @@ build {
 
   dynamic "provisioner" {
     for_each = length(var.xcode_version) > 2 ? [2] : []
-    labels = ["shell"]
+    labels   = ["shell"]
     content {
       inline = [
         "source ~/.zprofile",
-        "sudo xcodes select '${var.xcode_version[2]}'",
+        "sudo xcode-select -s /Applications/Xcode_${var.xcode_version[2]}.app/Contents/Developer",
         "xcodebuild -downloadAllPlatforms",
       ]
     }
@@ -181,11 +181,11 @@ build {
 
   dynamic "provisioner" {
     for_each = length(var.xcode_version) > 1 ? [1] : []
-    labels = ["shell"]
+    labels   = ["shell"]
     content {
       inline = [
         "source ~/.zprofile",
-        "sudo xcodes select '${var.xcode_version[1]}'",
+        "sudo xcode-select -s /Applications/Xcode_${var.xcode_version[1]}.app/Contents/Developer",
         "xcodebuild -downloadAllPlatforms",
       ]
     }
@@ -194,7 +194,7 @@ build {
   provisioner "shell" {
     inline = [
       "source ~/.zprofile",
-      "sudo xcodes select '${var.xcode_version[0]}'",
+      "sudo xcode-select -s /Applications/Xcode_${var.xcode_version[0]}.app/Contents/Developer",
       "xcodebuild -downloadAllPlatforms",
     ]
   }
@@ -232,10 +232,9 @@ build {
       "brew install libimobiledevice ideviceinstaller ios-deploy carthage",
       "brew install xcbeautify swiftformat swiftlint swiftgen licenseplist",
       "brew install mint",
-      "brew tap tuist/tuist",
+      "git clone --depth 1 https://github.com/tuist/homebrew-tuist.git \"$(brew --repository)/Library/Taps/tuist/homebrew-tuist\"",
-      "brew install --formula tuist",
+      "rm -rf \"$(brew --repository)/Library/Taps/tuist/homebrew-tuist/Casks\"",
-      "rbenv install 3.3.10",
+      "tuist_version=$(ruby -ne 'if $_ =~ %r{/download/([^/]+)/}; puts $1; exit; end' \"$(brew --repository)/Library/Taps/tuist/homebrew-tuist/Aliases/tuist\") && brew trust --formula \"tuist/tuist/tuist@$tuist_version\" && brew install --formula \"tuist/tuist/tuist@$tuist_version\"",
-      "rbenv global 3.3.10", # fastlane conflicts with 3.4.0+ https://github.com/fastlane/fastlane/issues/29527
       "gem update",
       "gem install fastlane",
       "gem install cocoapods",
@@ -247,7 +246,7 @@ build {
   // Copy expected runtimes file if provided
   dynamic "provisioner" {
     for_each = var.expected_runtimes_file != "" ? [1] : []
-    labels = ["file"]
+    labels   = ["file"]
     content {
       source      = var.expected_runtimes_file
       destination = "/Users/admin/runtimes.expected.txt"
@@ -257,7 +256,7 @@ build {
   // Verify simulator runtimes match expected list if file was provided
   dynamic "provisioner" {
     for_each = var.expected_runtimes_file != "" ? [1] : []
-    labels = ["shell"]
+    labels   = ["shell"]
     content {
       inline = [
         "source ~/.zprofile",