workspace clean proposal

conan/api/subapi/workspace.py

@@ -191,6 +191,10 @@ def remove(self, path):
         self._check_ws()
         return self._ws.remove(path)
 
+    def clean(self):
+        self._check_ws()
+        return self._ws.clean()
+
     def info(self):
         self._check_ws()
         return {"name": self.name,

conan/cli/commands/workspace.py

@@ -163,6 +163,15 @@ def workspace_build(conan_api: ConanAPI, parser, subparser, *args):
         conan_api.local.build(conanfile)
 
 
+@conan_subcommand()
+def workspace_clean(conan_api: ConanAPI, parser, subparser, *args):
+    """
+    Clean the temporary build folders when possible
+    """
+    parser.parse_args(*args)
+    conan_api.workspace.clean()
+
+
 @conan_command(group="Consumer")
 def workspace(conan_api, parser, *args):  # noqa
     """

conan/internal/model/workspace.py

@@ -1,4 +1,5 @@
 import os
+import shutil
 
 import yaml
 
@@ -19,7 +20,7 @@ def __init__(self, folder, conan_api):
         self.output = ConanOutput(scope=self.name())
 
     def name(self):
-        return os.path.basename(self.folder)
+        return self.conan_data.get("name") or os.path.basename(self.folder)
 
     def _conan_load_data(self):
         data_path = os.path.join(self.folder, "conanws.yml")
@@ -60,6 +61,16 @@ def remove(self, path):
         save(os.path.join(self.folder, "conanws.yml"), yaml.dump(self.conan_data))
         return found_ref
 
+    def clean(self):
+        for ref, info in self.conan_data.get("editables", {}).items():
+            if info.get("output_folder"):
+                of = os.path.join(self.folder, info["output_folder"])
+                try:
+                    self.output.info(f"Removing {ref} output folder: {of}")
+                    shutil.rmtree(of)
+                except OSError as e:
+                    self.output.warning(f"Error removing {ref} output folder: {str(e)}")
+
     def _conan_rel_path(self, path):
         if path is None:
             return None

test/integration/workspace/test_workspace.py

@@ -441,3 +441,24 @@ def test_new():
     assert "liba/0.1" in c.out
     assert "libb/0.1" in c.out
     assert "app1/0.1" in c.out
+
+
+class TestClean:
+    def test_clean(self):
+        # Using cmake_layout, we can clean the build folders
+        c = TestClient()
+        c.save({"conanws.yml": "name: my_workspace"})
+        pkga = GenConanfile("pkga", "0.1").with_settings("build_type")
+        pkgb = GenConanfile("pkgb", "0.1").with_requires("pkga/0.1").with_settings("build_type")
+        c.save({"pkga/conanfile.py": pkga ,
+                "pkgb/conanfile.py": pkgb})
+        c.run("workspace add pkga -of=build/pkga")
+        c.run("workspace add pkgb -of=build/pkgb --product")
+        c.run("workspace build")
+        assert os.path.exists(os.path.join(c.current_folder, "build", "pkga"))
+        assert os.path.exists(os.path.join(c.current_folder, "build", "pkgb"))
+        c.run("workspace clean")
+        assert "my_workspace: Removing pkga/0.1 output folder" in c.out
+        assert "my_workspace: Removing pkgb/0.1 output folder" in c.out
+        assert not os.path.exists(os.path.join(c.current_folder, "build", "pkga"))
+        assert not os.path.exists(os.path.join(c.current_folder, "build", "pkgb"))