v4: Report desktop-linux form factor for Desktop installs on Linux

Desktop runs on Linux now, but get_form_factor mapped a Desktop install on
Linux to 'other', losing the platform in registry data.

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning 2.0.0](https://semver.org/spec/
 
 ## [Unreleased]
 
+### Fixed
+
+- Report the `desktop-linux` form factor to the registry for Desktop installs
+  on Linux, which previously reported `other`.
+
 ## [4.3] - 2026-09-19
 
 ### Security

comfyui_manager/common/cnr_utils.py

@@ -20,6 +20,29 @@ lock = asyncio.Lock()
 
 is_cache_loading = False
 
+def get_form_factor():
+    """Form factor reported to the registry, based on environment and platform."""
+    is_desktop = bool(os.environ.get('__COMFYUI_DESKTOP_VERSION__'))
+    system = platform.system().lower()
+
+    if is_desktop:
+        if system == 'windows':
+            return 'desktop-win'
+        if system == 'darwin':
+            return 'desktop-mac'
+        if system == 'linux':
+            return 'desktop-linux'
+        return 'other'
+
+    if system == 'windows':
+        return 'git-windows'
+    if system == 'darwin':
+        return 'git-mac'
+    if system == 'linux':
+        return 'git-linux'
+    return 'other'
+
+
 async def get_cnr_data(cache_mode=True, dont_wait=True):
     try:
         return await _get_cnr_data(cache_mode, dont_wait)
@@ -39,12 +62,7 @@ async def _get_cnr_data(cache_mode=True, dont_wait=True):
         full_nodes = {}
 
         
-        # Determine form factor based on environment and platform
         is_desktop = bool(os.environ.get('__COMFYUI_DESKTOP_VERSION__'))
-        system = platform.system().lower()
-        is_windows = system == 'windows'
-        is_mac = system == 'darwin'
-        is_linux = system == 'linux'
 
         # Get ComfyUI version tag
         if is_desktop:
@@ -53,22 +71,7 @@ async def _get_cnr_data(cache_mode=True, dont_wait=True):
         else:
             comfyui_ver = context.get_comfyui_tag() or 'unknown'
 
-        if is_desktop:
-            if is_windows:
-                form_factor = 'desktop-win'
-            elif is_mac:
-                form_factor = 'desktop-mac'
-            else:
-                form_factor = 'other'
-        else:
-            if is_windows:
-                form_factor = 'git-windows'
-            elif is_mac:
-                form_factor = 'git-mac'
-            elif is_linux:
-                form_factor = 'git-linux'
-            else:
-                form_factor = 'other'
+        form_factor = get_form_factor()
 
         from comfyui_manager.glob import manager_core
         verbose = manager_core.get_config().get('verbose', False)

tests/test_form_factor.py

@@ -0,0 +1,36 @@
+"""Form factor the CNR client reports to the registry."""
+
+import pytest
+
+from _install_flags_testutil import import_context
+
+
+@pytest.fixture
+def cnr_utils():
+    import_context()
+    from comfyui_manager.common import cnr_utils
+
+    return cnr_utils
+
+
+@pytest.mark.parametrize(
+    ('system', 'desktop', 'expected'),
+    [
+        ('Windows', True, 'desktop-win'),
+        ('Darwin', True, 'desktop-mac'),
+        ('Linux', True, 'desktop-linux'),
+        ('FreeBSD', True, 'other'),
+        ('Windows', False, 'git-windows'),
+        ('Darwin', False, 'git-mac'),
+        ('Linux', False, 'git-linux'),
+        ('FreeBSD', False, 'other'),
+    ],
+)
+def test_form_factor(cnr_utils, monkeypatch, system, desktop, expected):
+    monkeypatch.setattr(cnr_utils.platform, 'system', lambda: system)
+    if desktop:
+        monkeypatch.setenv('__COMFYUI_DESKTOP_VERSION__', '1.0.0')
+    else:
+        monkeypatch.delenv('__COMFYUI_DESKTOP_VERSION__', raising=False)
+
+    assert cnr_utils.get_form_factor() == expected