Xcode 26.2 Beta 2 (#307)

* Xcode 26.2 Beta 2

Plus wait for simulators to become available.

* Update expected runtimes for Xcode 26.2 Beta 2

* Try to wait an hour

* Cleanup LLM generated script

* Add `exex-script.pkr.hcl` template and adjust simulator wait logic

* Finalize

* Fixed script name

* Fixed typo

* Use scrript option.

.ci/cirrus.runner.yml

@@ -12,7 +12,7 @@ task:
         XCODE_COMPONENTS: "\"MetalToolchain\""
         DISK_SIZE: 400
       - MACOS_VERSION: tahoe
-        XCODE_VERSIONS: "\"26.1.1\",\"26.0.1\",\"26.2-beta\""
+        XCODE_VERSIONS: "\"26.1.1\",\"26.0.1\",\"26.2-beta-2\""
         XCODE_COMPONENTS: "\"MetalToolchain\""
         ADDITIONAL_IOS_BUILDS: "18.6"
         DISK_SIZE: 290
@@ -30,6 +30,14 @@ task:
         -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

data/expected.tahoe.runtimes.txt

@@ -2,13 +2,13 @@
 iOS 18.6 (18.6 - 22G86) - com.apple.CoreSimulator.SimRuntime.iOS-18-6
 iOS 26.0 (26.0.1 - 23A8464) - com.apple.CoreSimulator.SimRuntime.iOS-26-0
 iOS 26.1 (26.1 - 23B86) - com.apple.CoreSimulator.SimRuntime.iOS-26-1
-iOS 26.2 (26.2 - 23C5027f) - com.apple.CoreSimulator.SimRuntime.iOS-26-2
+iOS 26.2 (26.2 - 23C5044b) - com.apple.CoreSimulator.SimRuntime.iOS-26-2
 tvOS 26.0 (26.0 - 23J352) - com.apple.CoreSimulator.SimRuntime.tvOS-26-0
 tvOS 26.1 (26.1 - 23J579) - com.apple.CoreSimulator.SimRuntime.tvOS-26-1
-tvOS 26.2 (26.2 - 23K5029e) - com.apple.CoreSimulator.SimRuntime.tvOS-26-2
+tvOS 26.2 (26.2 - 23K5046a) - com.apple.CoreSimulator.SimRuntime.tvOS-26-2
 watchOS 26.0 (26.0 - 23R353) - com.apple.CoreSimulator.SimRuntime.watchOS-26-0
 watchOS 26.1 (26.1 - 23S36) - com.apple.CoreSimulator.SimRuntime.watchOS-26-1
-watchOS 26.2 (26.2 - 23S5280e) - com.apple.CoreSimulator.SimRuntime.watchOS-26-2
+watchOS 26.2 (26.2 - 23S5297b) - com.apple.CoreSimulator.SimRuntime.watchOS-26-2
 visionOS 26.0 (26.0 - 23M336) - com.apple.CoreSimulator.SimRuntime.xrOS-26-0
 visionOS 26.1 (26.1 - 23N47) - com.apple.CoreSimulator.SimRuntime.xrOS-26-1
-visionOS 26.2 (26.2 - 23N5279e) - com.apple.CoreSimulator.SimRuntime.xrOS-26-2
+visionOS 26.2 (26.2 - 23N5296a) - com.apple.CoreSimulator.SimRuntime.xrOS-26-2

scripts/finalize-tahoe.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+source ~/.zprofile
+
+# Set shell options to enable fail-fast behavior
+#
+# * -e: fail the script when an error occurs or command fails
+# * -u: fail the script when attempting to reference unset parameters
+# * -o pipefail: by default an exit status of a pipeline is that of its
+#                last command, this fails the pipe early if an error in
+#                any of its commands occurs
+#
+set -euo pipefail
+
+# Wait until `xcrun simctl list devices -v` no longer reports any devices as "unavailable".
+#
+# Exit codes:
+#   0 - Success: no devices are marked as unavailable within the timeout window
+#   1 - Failure: timed out waiting for devices to become available
+#   2 - Failure: prerequisites missing (e.g., xcrun not found)
+
+DEFAULT_TIMEOUT_MINUTES=60
+TIMEOUT_MINUTES=${1:-$DEFAULT_TIMEOUT_MINUTES}
+
+if ! [[ "$TIMEOUT_MINUTES" =~ ^[0-9]+$ ]]; then
+  echo "[wait-simulators] ERROR: TIMEOUT_MINUTES must be an integer number of minutes (got: '$TIMEOUT_MINUTES')." >&2
+  exit 2
+fi
+
+SECONDS_TOTAL=$(( TIMEOUT_MINUTES * 60 ))
+DEADLINE=$(( $(date +%s) + SECONDS_TOTAL ))
+SLEEP_SECONDS=15
+
+# Print a one-line status snapshot of current unavailable devices (if any)
+print_status() {
+  if xcrun simctl list devices -v | grep -qi "unavailable"; then
+    echo "[wait-simulators] Still seeing 'unavailable' devices at $(date '+%Y-%m-%d %H:%M:%S')"
+    # Show a concise list of unavailable lines for debugging
+    xcrun simctl list devices -v | grep -i "unavailable" | sed 's/^/[wait-simulators]   /'
+  else
+    echo "[wait-simulators] No 'unavailable' devices detected at $(date '+%Y-%m-%d %H:%M:%S')"
+  fi
+}
+
+trap 'echo "[wait-simulators] Interrupted" >&2; exit 130' INT TERM
+
+echo "[wait-simulators] Waiting up to ${TIMEOUT_MINUTES} minute(s) for simulators to become available..."
+
+while true; do
+  if ! xcrun simctl list devices -v | grep -qi "unavailable"; then
+    echo "[wait-simulators] All simulators are available."
+    exit 0
+  fi
+
+  NOW=$(date +%s)
+  if (( NOW >= DEADLINE )); then
+    echo "[wait-simulators] TIMEOUT after ${TIMEOUT_MINUTES} minute(s). Some simulators remain 'unavailable'." >&2
+    echo "[wait-simulators] Final snapshot of unavailable devices:" >&2
+    xcrun simctl list devices -v | grep -i "unavailable" | sed 's/^/[wait-simulators]   /' >&2
+    exit 1
+  fi
+
+  print_status
+  REMAIN=$(( DEADLINE - NOW ))
+  # Sleep in chunks to allow quicker exit when they become available
+  SLEEP=$SLEEP_SECONDS
+  if (( REMAIN < SLEEP_SECONDS )); then SLEEP=$REMAIN; fi
+  sleep "$SLEEP"
+  # Loop and re-check
+done
+
+

templates/exex-script.pkr.hcl

@@ -0,0 +1,39 @@
+packer {
+  required_plugins {
+    tart = {
+      version = ">= 1.12.0"
+      source  = "github.com/cirruslabs/tart"
+    }
+  }
+}
+
+variable "vm_name" {
+  type = string
+}
+
+variable "script_path" {
+  type        = string
+  description = "Path to a local script that should be uploaded and executed inside the VM."
+}
+
+variable "pause_before" {
+  type        = string
+  default     = "60s"
+  description = "How long Packer should wait before running the uploaded script."
+}
+
+source "tart-cli" "tart" {
+  vm_name      = "${var.vm_name}"
+  ssh_password = "admin"
+  ssh_username = "admin"
+  ssh_timeout  = "120s"
+}
+
+build {
+  sources = ["source.tart-cli.tart"]
+
+  provisioner "shell" {
+    script = var.script_path
+    pause_before = var.pause_before
+  }
+}

templates/xcode.pkr.hcl

@@ -341,30 +341,12 @@ build {
   #
   # [1]: https://apple.stackexchange.com/questions/412101/update-dyld-sim-shared-cache-is-taking-up-a-lot-of-memory
   # [2]: https://stackoverflow.com/a/68394101/9316533
-  provisioner "shell" {
-    inline = [
-      "source ~/.zprofile",
-      "xcrun simctl runtime dyld_shared_cache update --all || sleep 180",
-      "xcrun simctl list -v",
-    ]
-  }
-
-  // Restart the VM
-  provisioner "shell" {
-    inline = [
-      "sudo shutdown -r now"
-    ]
-    expect_disconnect = true
-  }
-
-  // Wait for VM to come back up and run simctl commands again
   provisioner "shell" {
     inline = [
       "source ~/.zprofile",
       "xcrun simctl runtime dyld_shared_cache update --all || sleep 180",
       "xcrun simctl list -v"
     ]
-    pause_before = "60s"
   }
 
   # Compatibility with GitHub Actions Runner Images, where