only for consumers

conan/internal/model/conf.py

@@ -77,7 +77,7 @@
     "tools.cmake.cmaketoolchain:presets_environment": "String to define wether to add or not the environment section to the CMake presets. Empty by default, will generate the environment section in CMakePresets. Can take values: 'disabled'.",
     "tools.cmake.cmaketoolchain:extra_variables": "Dictionary with variables to be injected in CMakeToolchain (potential override of CMakeToolchain defined variables)",
     "tools.cmake.cmaketoolchain:enabled_blocks": "Select the specific blocks to use in the conan_toolchain.cmake",
-    "tools.cmake.cmaketoolchain:user_presets": "Select a different name instead of CMakeUserPresets.json, empty to disable",
+    "tools.cmake.cmaketoolchain:user_presets": "(Experimental) Select a different name instead of CMakeUserPresets.json, empty to disable",
     "tools.cmake.cmake_layout:build_folder_vars": "Settings and Options that will produce a different build folder and different CMake presets names",
     "tools.cmake.cmake_layout:build_folder": "(Experimental) Allow configuring the base folder of the build for local builds",
     "tools.cmake.cmake_layout:test_folder": "(Experimental) Allow configuring the base folder of the build for test_package",

conan/tools/cmake/toolchain/toolchain.py

@@ -22,6 +22,7 @@
 from conan.tools.microsoft.visual import vs_ide_version
 from conan.errors import ConanException
 from conan.internal.model.options import _PackageOption
+from conans.client.graph.graph import RECIPE_CONSUMER, RECIPE_EDITABLE
 from conans.util.files import save
 
 
@@ -210,8 +211,15 @@ def generate(self):
 
             cmake_executable = self._conanfile.conf.get("tools.cmake:cmake_program", None) or self._find_cmake_exe()
 
-        user_presets = self._conanfile.conf.get("tools.cmake.cmaketoolchain:user_presets",
-                                                default=self.user_presets_path)
+        user_presets = self.user_presets_path
+        try:  # TODO: Refactor this repeated pattern to deduce "is-consumer"
+            # The user conf user_presets ONLY applies to dev space, not in the cache
+            if self._conanfile._conan_node.recipe in (RECIPE_CONSUMER, RECIPE_EDITABLE):
+                user_presets = self._conanfile.conf.get("tools.cmake.cmaketoolchain:user_presets",
+                                                        default=self.user_presets_path)
+        except AttributeError:
+            pass
+
         write_cmake_presets(self._conanfile, toolchain_file, self.generator, cache_variables,
                             user_presets, self.presets_prefix, buildenv, runenv,
                             cmake_executable, self.absolute_paths)