Factor out run script done file. (#503)

The run script done file definition existed in two places and was out of sync. This fix DRYs the name of that file ensuring the task is responsible for writing the asset that it requires to be complete.

recipe/meta.json

@@ -32,5 +32,5 @@
       "pyyaml =6.0.*"
     ]
   },
-  "version": "2.3.0"
+  "version": "2.3.1"
 }

src/uwtools/drivers/driver.py

@@ -237,7 +237,7 @@ def _run_via_local_execution(self):
         A run executed directly on the local system.
         """
         yield self._taskname("run via local execution")
-        path = self._rundir / f"done.{self._driver_name}"
+        path = self._rundir / self._runscript_done_file
         yield asset(path, path.is_file)
         yield self.provisioned_run_directory()
         cmd = "{x} >{x}.out 2>&1".format(x=self._runscript_path)
@@ -312,6 +312,13 @@ def _runscript(
         )
         return re.sub(r"\n\n\n+", "\n\n", rs.strip())
 
+    @property
+    def _runscript_done_file(self):
+        """
+        The path to the done file produced by the successful completion of a run script.
+        """
+        return f"{self._runscript_path.name}.done"
+
     @property
     def _runscript_path(self) -> Path:
         """
@@ -343,7 +350,7 @@ def _write_runscript(self, path: Path, envvars: Dict[str, str]) -> None:
             envvars=envvars,
             execution=[
                 "time %s" % self._runcmd,
-                "test $? -eq 0 && touch %s.done" % self._runscript_path.name,
+                "test $? -eq 0 && touch %s" % self._runscript_done_file,
             ],
             scheduler=self._scheduler if self._batch else None,
         )

src/uwtools/resources/info.json

@@ -1,4 +1,4 @@
 {
-  "version": "2.3.0",
+  "version": "2.3.1",
   "buildnum": "0"
 }

src/uwtools/tests/drivers/test_driver.py

@@ -426,6 +426,10 @@ def test_Driver__runscript_execution_only(driverobj):
     assert driverobj._runscript(execution=["foo", "bar"]) == dedent(expected).strip()
 
 
+def test_Driver__runscript_done_file(driverobj):
+    assert driverobj._runscript_done_file == "runscript.concrete.done"
+
+
 def test_Driver__runscript_path(driverobj):
     assert driverobj._runscript_path == Path("/path/to/2024032218/run/runscript.concrete")