WIP: Fix doit for macOS

dodo.py

@@ -2,6 +2,7 @@ import json
 import os
 import platform
 import shutil
+import subprocess
 from pathlib import Path
 
 from doit import task_params
@@ -87,17 +88,8 @@ def task_container_runtime():
     }
 
 
-def task_macos_check_cert():
-    """Test that the macOS developer certificate can be used."""
-    return {
-        "actions": [
-            "xcrun notarytool history --apple-id %(apple_id)s --keychain-profile dz-notarytool-release-key"
-        ],
-        "params": [PARAM_APPLE_ID],
-    }
-
-
 def task_system_checks():
+    """Common status checks for a system."""
     return {
         "actions": None,
         "task_dep": [
@@ -107,23 +99,58 @@ def task_system_checks():
     }
 
 
+def task_macos_check_cert():
+    """Test that the Apple developer certificate can be used."""
+    return {
+        "actions": [
+            "xcrun notarytool history --apple-id %(apple_id)s --keychain-profile dz-notarytool-release-key"
+        ],
+        "params": [PARAM_APPLE_ID],
+    }
+
+
+def task_macos_check_docker_containerd():
+    """Test that Docker uses the containard image store."""
+    def check_containerd_store():
+        cmd = ["docker", "info", "-f", "{{ .DriverStatus }}"]
+        driver = subprocess.check_output(cmd).strip()
+        if driver != "[[driver-type io.containerd.snapshotter.v1]]":
+            raise RuntimeError(
+                f"Probing the Docker image store with {cmd} returned {driver}."
+                " Switch to Docker's containerd image store from the Docker Desktop"
+                " settings."
+            )
+
+    return {
+        "actions": [
+            "which docker",
+            "docker ps",
+            check_containerd_store,
+        ],
+        "params": [PARAM_APPLE_ID],
+    }
+
+
 def task_macos_system_checks():
+    """Run macOS specific system checks, as well as the generic ones."""
     return {
         "actions": None,
         "task_dep": [
             "system_checks",
             "macos_check_cert",
+            "macos_check_docker_containerd",
         ],
     }
 
 
-def task_download_tessdata():
+def task_tessdata():
+    """Download Tesseract data"""
     tessdata_dir = Path("share") / "tessdata"
     langs = json.loads(open(tessdata_dir.parent / "ocr-languages.json").read()).values()
     targets = [tessdata_dir / f"{lang}.traineddata" for lang in langs]
     targets.append(tessdata_dir)
     return {
-        "actions": [["python", "install/common/download-tessdata.py"]],
+        "actions": ["python install/common/download-tessdata.py"],
         "file_dep": [
             "install/common/download-tessdata.py",
             "share/ocr-languages.json",