Try this should_run thing

.github/workflows/ci.yml

@@ -17,11 +17,52 @@ env:
   DEFAULT_PYTHON_VERSION: "3.11"
   NLTK_DATA: "/usr/share/nltk_data"
 jobs:
+  detect-duplicate:
+    name: Detect Duplicate Run
+    runs-on: ubuntu-24.04
+    outputs:
+      should_run: ${{ steps.check.outputs.should_run }}
+    steps:
+      - name: Check if workflow should run
+        id: check
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            if (context.eventName !== 'push') {
+              core.info('Not a push event; running workflow.');
+              core.setOutput('should_run', 'true');
+              return;
+            }
+
+            const ref = context.ref || '';
+            if (!ref.startsWith('refs/heads/')) {
+              core.info('Push is not to a branch; running workflow.');
+              core.setOutput('should_run', 'true');
+              return;
+            }
+
+            const branch = ref.substring('refs/heads/'.length);
+            const { owner, repo } = context.repo;
+            const prs = await github.paginate(github.rest.pulls.list, {
+              owner,
+              repo,
+              state: 'open',
+              head: `${owner}:${branch}`,
+              per_page: 100,
+            });
+
+            if (prs.length === 0) {
+              core.info(`No open PR found for ${branch}; running workflow.`);
+              core.setOutput('should_run', 'true');
+            } else {
+              core.info(`Found ${prs.length} open PR(s) for ${branch}; skipping duplicate push run.`);
+              core.setOutput('should_run', 'false');
+            }
   pre-commit:
-    # We want to run on external PRs, but not on our own internal PRs as they'll be run
-    # by the push to the branch. Without this if check, checks are duplicated since
-    # internal PRs match both the push and pull_request events.
-    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+    needs:
+      - detect-duplicate
+    if: needs.detect-duplicate.outputs.should_run == 'true'
     name: Linting Checks
     runs-on: ubuntu-24.04
     steps:

pyproject.toml

@@ -33,7 +33,7 @@ dependencies = [
   "django-cors-headers~=4.8.0",
   "django-extensions~=4.1",
   "django-filter~=25.1",
-  "django-guardian~=3.2.0",
+  "django-guardian~=3.1.2",
   "django-multiselectfield~=1.0.1",
   "django-soft-delete~=1.0.18",
   "django-treenode>=0.23.2",

src/documents/management/commands/document_fuzzy_match.py

@@ -92,6 +92,9 @@ class Command(MultiProcessMixin, ProgressBarMixin, BaseCommand):
                 # doc to doc is obviously not useful
                 if first_doc.pk == second_doc.pk:
                     continue
+                # Skip empty documents (e.g. password-protected)
+                if first_doc.content.strip() == "" or second_doc.content.strip() == "":
+                    continue
                 # Skip matching which have already been matched together
                 # doc 1 to doc 2 is the same as doc 2 to doc 1
                 doc_1_to_doc_2 = (first_doc.pk, second_doc.pk)

src/documents/tests/test_management_fuzzy.py

@@ -206,3 +206,29 @@ class TestFuzzyMatchCommand(TestCase):
         self.assertEqual(Document.objects.count(), 2)
         self.assertIsNotNone(Document.objects.get(pk=1))
         self.assertIsNotNone(Document.objects.get(pk=2))
+
+    def test_empty_content(self):
+        """
+        GIVEN:
+            - 2 documents exist, content is empty (pw-protected)
+        WHEN:
+            - Command is called
+        THEN:
+            - No matches are found
+        """
+        Document.objects.create(
+            checksum="BEEFCAFE",
+            title="A",
+            content="",
+            mime_type="application/pdf",
+            filename="test.pdf",
+        )
+        Document.objects.create(
+            checksum="DEADBEAF",
+            title="A",
+            content="",
+            mime_type="application/pdf",
+            filename="other_test.pdf",
+        )
+        stdout, _ = self.call_command()
+        self.assertIn("No matches found", stdout)

uv.lock

@@ -782,15 +782,15 @@ wheels = [
 
 [[package]]
 name = "django-guardian"
-version = "3.2.0"
+version = "3.1.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "django", marker = "sys_platform == 'darwin' or sys_platform == 'linux'" },
     { name = "typing-extensions", marker = "(python_full_version < '3.13' and sys_platform == 'darwin') or (python_full_version < '3.13' and sys_platform == 'linux')" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/e2/f9/bcff6a931298b9eb55e1550b55ab964fab747f594ba6d2d81cbe19736c5f/django_guardian-3.2.0.tar.gz", hash = "sha256:9e18ecd2e211b665972690c2d03d27bce0ea4932b5efac24a4bb9d526950a69e", size = 99940, upload-time = "2025-09-16T10:35:53.609Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/81/d3/436a44c7688fce1a978224c349ba66c95bf9103d548596b7a2694fd58c03/django_guardian-3.1.3.tar.gz", hash = "sha256:12b5e66c18c97088b0adfa033ab14be68c321c170fd3ec438898271f00a71699", size = 93571, upload-time = "2025-09-10T08:36:23.928Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2f/23/63a7d868373a73d25c4a5c2dd3cce3aaeb22fbee82560d42b6e93ba01403/django_guardian-3.2.0-py3-none-any.whl", hash = "sha256:0768565a057988a93fc4a1d93649c4a794abfd7473a8408a079cfbf83c559d77", size = 134674, upload-time = "2025-09-16T10:35:51.69Z" },
+    { url = "https://files.pythonhosted.org/packages/83/fc/6fd7b8bc7c52cbbfd1714673cfd28ff0b3fae32265c52d492ec0dee22cb8/django_guardian-3.1.3-py3-none-any.whl", hash = "sha256:90e28b40eea65c326a3a961908cc300f9e1cd69b74e88d38317a9befa167b71c", size = 127687, upload-time = "2025-09-10T08:36:22.533Z" },
 ]
 
 [[package]]
@@ -2185,7 +2185,7 @@ requires-dist = [
     { name = "django-cors-headers", specifier = "~=4.8.0" },
     { name = "django-extensions", specifier = "~=4.1" },
     { name = "django-filter", specifier = "~=25.1" },
-    { name = "django-guardian", specifier = "~=3.2.0" },
+    { name = "django-guardian", specifier = "~=3.1.2" },
     { name = "django-multiselectfield", specifier = "~=1.0.1" },
     { name = "django-soft-delete", specifier = "~=1.0.18" },
     { name = "django-treenode", specifier = ">=0.23.2" },