exp init: only ask for that are not provided in an interactive mode

dvc/repo/experiments/init.py

@@ -1,7 +1,7 @@
 import os
-from typing import TYPE_CHECKING, Dict, List
+from typing import TYPE_CHECKING, Dict, Iterable
 
-from funcy import compact, post_processing
+from funcy import compact, lremove, post_processing
 from rich.prompt import Prompt
 
 from dvc.types import OptStr
@@ -78,7 +78,7 @@ def make_prompt(self, default):
 
 
 @post_processing(dict)
-def _prompts(keys: List[str], defaults: Dict[str, OptStr]):
+def _prompts(keys: Iterable[str], defaults: Dict[str, OptStr]):
     for key in keys:
         if key == "cmd":
             prompt_cls = RequiredPrompt
@@ -91,19 +91,30 @@ def _prompts(keys: List[str], defaults: Dict[str, OptStr]):
 
 
 def init_interactive(
-    defaults: Dict[str, str], show_heading: bool = False, live: bool = False
+    defaults: Dict[str, str],
+    provided: Iterable[str],
+    show_heading: bool = False,
+    live: bool = False,
 ) -> Dict[str, str]:
+    primary = lremove(provided, ["cmd", "code", "data", "models", "params"])
+    secondary = lremove(provided, ["live"] if live else ["metrics", "plots"])
+
+    if not (primary or secondary):
+        return {}
+
     message = (
         "This command will guide you to set up your first stage in "
         "[green]dvc.yaml[/green].\n"
     )
     if show_heading:
         ui.error_write(message, styled=True)
 
-    return {
-        **_prompts(["cmd", "code", "data", "models", "params"], defaults),
-        **_prompts(["live"] if live else ["metrics", "plots"], defaults),
-    }
+    return compact(
+        {
+            **_prompts(primary, defaults),
+            **_prompts(secondary, defaults),
+        }
+    )
 
 
 def _check_stage_exists(
@@ -139,10 +150,11 @@ def init(
 
     with_live = type == "live"
     if interactive:
-        context = init_interactive(
+        defaults = init_interactive(
             defaults=defaults or {},
             show_heading=not dvcfile.exists(),
             live=with_live,
+            provided=overrides.keys(),
         )
     else:
         if with_live:
@@ -153,16 +165,9 @@ def init(
             defaults.pop("params")
         else:
             defaults.pop("live")  # suppress live otherwise
-        context = {**defaults, **overrides}
 
+    context: Dict[str, str] = {**defaults, **overrides}
     assert "cmd" in context
-    command = context["cmd"]
-    code = context.get("code")
-    data = context.get("data")
-    models = context.get("models")
-    metrics = context.get("metrics")
-    plots = context.get("plots")
-    live = context.get("live")
 
     params_kv = []
     if context.get("params"):
@@ -174,14 +179,15 @@ def init(
         params_kv = [{path: list(LOADERS[ext](path))}]
 
     checkpoint_out = bool(context.get("live"))
+    models = context.get("models")
     return repo.stage.add(
         name=name,
-        cmd=command,
-        deps=compact([code, data]),
+        cmd=context["cmd"],
+        deps=compact([context.get("code"), context.get("data")]),
         params=params_kv,
-        metrics_no_cache=compact([metrics]),
-        plots_no_cache=compact([plots]),
-        live=live,
+        metrics_no_cache=compact([context.get("metrics")]),
+        plots_no_cache=compact([context.get("plots")]),
+        live=context.get("live"),
         force=force,
         **{"checkpoints" if checkpoint_out else "outs": compact([models])},
     )