core/agent: let YOLO mode skip YOLO-tagged soft confirms

`--yes` / `/yolo on|off|once` clears the prompt of a `YOLO`-tagged tool: interpreter runs (`run_argv`, `run_argv_batch`, `open_pty`), the file mutations (overwrite / copy / move / delete) and `fetch_local`'s cleartext and mutating requests. A tool without the tag still asks, and hard path/command denylists stay untouched.

`classify_danger` now answers with a `DangerReason` — the reason text plus `yolo_skip` — so one call can refuse that skip: a command that runs through `sudo` / `su` / `doas` / `pkexec` (as the program or a wrapper) keeps its confirm whatever YOLO mode says. It never adds a reason of its own, so the program the denylist gate already asks about is not asked twice.

`prepare_batch_confirm` leaves the covered calls out, so a skipped call neither prompts on its own nor takes a slot in the round's aggregated prompt, and one escalating step keeps the whole batch in front of the human.
This commit is contained in:
2026-10-21 19:10:46 +08:00
parent 029ac47350
commit 8ec63aa6a2
10 changed files with 301 additions and 94 deletions
+89 -45
View File
@@ -2,19 +2,35 @@ from __future__ import annotations
from pathlib import Path
from plyngent.agent import DangerReason
from plyngent.tools.danger import classify_danger
def _reason(name: str, args: dict[str, object]) -> str | None:
"""Confirm text of a classifier answer (``None`` when the call needs none)."""
found = classify_danger(name, args)
if found is None:
return None
return found if isinstance(found, str) else found.text
def _danger(name: str, args: dict[str, object]) -> DangerReason:
"""Classifier answer as a typed reason (the call must need a confirm)."""
found = classify_danger(name, args)
assert isinstance(found, DangerReason), found
return found
def test_classify_delete_and_move() -> None:
assert classify_danger("delete_path", {"path": "a.txt"}) == "delete path 'a.txt'"
assert "recursively" in (classify_danger("delete_path", {"path": "d", "recursive": True}) or "")
assert "move" in (classify_danger("move_path", {"src": "a", "dst": "b"}) or "")
assert _reason("delete_path", {"path": "a.txt"}) == "delete path 'a.txt'"
assert "recursively" in (_reason("delete_path", {"path": "d", "recursive": True}) or "")
assert "move" in (_reason("move_path", {"src": "a", "dst": "b"}) or "")
def test_classify_copy() -> None:
# Without overwrite flag, copy is not soft-confirmed.
assert classify_danger("copy_path", {"src": "a", "dst": "b"}) is None
assert classify_danger("copy_path", {"src": "a", "dst": "b", "overwrite": False}) is None
assert _reason("copy_path", {"src": "a", "dst": "b"}) is None
assert _reason("copy_path", {"src": "a", "dst": "b", "overwrite": False}) is None
def test_classify_write_overwrite_only(tmp_path: Path) -> None:
@@ -25,35 +41,35 @@ def test_classify_write_overwrite_only(tmp_path: Path) -> None:
with bind_instance(instance):
_ = set_workspace_root(tmp_path)
# New file: no soft-confirm, with or without the overwrite flag
assert classify_danger("write_file", {"path": "new.txt"}) is None
assert classify_danger("write_file", {"path": "new.txt", "overwrite": True}) is None
assert _reason("write_file", {"path": "new.txt"}) is None
assert _reason("write_file", {"path": "new.txt", "overwrite": True}) is None
# Partial edits: never soft-confirm
assert classify_danger("edit_replace", {"path": "x.txt"}) is None
assert classify_danger("edit_lineno", {"path": "x.txt", "start_line": 1, "end_line": 2}) is None
assert _reason("edit_replace", {"path": "x.txt"}) is None
assert _reason("edit_lineno", {"path": "x.txt", "start_line": 1, "end_line": 2}) is None
# Existing file: only an explicit overwrite asks; an unset/false flag is
# refused inside the tool, so no prompt may fire for it.
(tmp_path / "x.txt").write_text("old", encoding="utf-8")
assert classify_danger("write_file", {"path": "x.txt"}) is None
assert classify_danger("write_file", {"path": "x.txt", "overwrite": False}) is None
reason = classify_danger("write_file", {"path": "x.txt", "overwrite": True})
assert _reason("write_file", {"path": "x.txt"}) is None
assert _reason("write_file", {"path": "x.txt", "overwrite": False}) is None
reason = _reason("write_file", {"path": "x.txt", "overwrite": True})
assert reason is not None and "overwrite" in reason
(tmp_path / "dst.txt").write_text("d", encoding="utf-8")
(tmp_path / "src.txt").write_text("s", encoding="utf-8")
assert classify_danger("copy_path", {"src": "src.txt", "dst": "dst.txt", "overwrite": False}) is None
creason = classify_danger("copy_path", {"src": "src.txt", "dst": "dst.txt", "overwrite": True})
assert _reason("copy_path", {"src": "src.txt", "dst": "dst.txt", "overwrite": False}) is None
creason = _reason("copy_path", {"src": "src.txt", "dst": "dst.txt", "overwrite": True})
assert creason is not None and "overwrite" in creason
def test_classify_safe_tools() -> None:
assert classify_danger("read_file", {"path": "a"}) is None
assert classify_danger("listdir", {"path": "."}) is None
assert classify_danger("run_argv", {"argv": ["echo", "hi"]}) is None
assert classify_danger("open_pty", {"command": ["true"]}) is None
assert classify_danger("run_argv", {"argv": ["ls", "-la"]}) is None
assert _reason("read_file", {"path": "a"}) is None
assert _reason("listdir", {"path": "."}) is None
assert _reason("run_argv", {"argv": ["echo", "hi"]}) is None
assert _reason("open_pty", {"command": ["true"]}) is None
assert _reason("run_argv", {"argv": ["ls", "-la"]}) is None
def test_classify_run_argv_batch_risky() -> None:
reason = classify_danger(
reason = _reason(
"run_argv_batch",
{
"steps": [
@@ -66,7 +82,7 @@ def test_classify_run_argv_batch_risky() -> None:
assert "run_argv_batch" in reason
assert "risky" in reason or "bash" in reason
assert (
classify_danger(
_reason(
"run_argv_batch",
{"steps": [{"argv": ["echo", "ok"]}]},
)
@@ -75,42 +91,42 @@ def test_classify_run_argv_batch_risky() -> None:
def test_classify_shell_and_dash_c() -> None:
r = classify_danger("run_argv", {"argv": ["bash", "-c", "rm -rf /"]})
r = _reason("run_argv", {"argv": ["bash", "-c", "rm -rf /"]})
assert r is not None
assert "bash -c" in r
assert "rm -rf" in r
r2 = classify_danger("run_argv", {"argv": ["python3", "-c", "print(1)"]})
r2 = _reason("run_argv", {"argv": ["python3", "-c", "print(1)"]})
assert r2 is not None
assert "python" in r2
assert "-c" in r2
assert "print(1)" in r2
r_py = classify_danger("run_argv", {"argv": ["python", "-c", "import os"]})
r_py = _reason("run_argv", {"argv": ["python", "-c", "import os"]})
assert r_py is not None and "python -c" in r_py
r3 = classify_danger("open_pty", {"command": ["bash"]})
r3 = _reason("open_pty", {"command": ["bash"]})
assert r3 is not None and "bash" in r3
assert "interactive" in r3 or "review" in r3
r4 = classify_danger("open_pty", {"command": ["python3"]})
r4 = _reason("open_pty", {"command": ["python3"]})
assert r4 is not None and "python" in r4
r5 = classify_danger("open_pty", {"command": ["python3", "-c", "x=1"]})
r5 = _reason("open_pty", {"command": ["python3", "-c", "x=1"]})
assert r5 is not None and "-c" in r5
def test_dash_c_means_code_only_for_interpreters() -> None:
# ``-c`` is a plain flag elsewhere: no code to review, no confirm.
assert classify_danger("run_argv", {"argv": ["grep", "-c", "needle", "f.txt"]}) is None
assert classify_danger("run_argv", {"argv": ["od", "-c", "f.bin"]}) is None
assert classify_danger("run_argv", {"argv": ["sort", "-c", "f.txt"]}) is None
assert _reason("run_argv", {"argv": ["grep", "-c", "needle", "f.txt"]}) is None
assert _reason("run_argv", {"argv": ["od", "-c", "f.bin"]}) is None
assert _reason("run_argv", {"argv": ["sort", "-c", "f.txt"]}) is None
def test_interpreter_review_does_not_split_on_dash_c() -> None:
script = classify_danger("run_argv", {"argv": ["python", "script.py"]})
one_liner = classify_danger("run_argv", {"argv": ["python", "-c", "print(1)"]})
bare_shell = classify_danger("open_pty", {"command": ["bash"]})
script = _reason("run_argv", {"argv": ["python", "script.py"]})
one_liner = _reason("run_argv", {"argv": ["python", "-c", "print(1)"]})
bare_shell = _reason("open_pty", {"command": ["bash"]})
assert script is not None and "interpreter 'python'" in script
assert one_liner is not None and "interpreter 'python'" in one_liner
assert bare_shell is not None and "interpreter 'bash'" in bare_shell
@@ -121,7 +137,7 @@ def test_interpreter_review_does_not_split_on_dash_c() -> None:
def test_versioned_interpreter_is_still_reviewed() -> None:
reason = classify_danger("run_argv", {"argv": ["python3.12", "-c", "import os"]})
reason = _reason("run_argv", {"argv": ["python3.12", "-c", "import os"]})
assert reason is not None and "interpreter 'python3.12'" in reason
assert "import os" in reason
@@ -134,7 +150,7 @@ def test_wrappers_reach_the_interpreter() -> None:
["pdm", "run", "python", "-c", "print(1)"],
["uv", "run", "--with", "rich", "python", "-c", "print(1)"],
):
reason = classify_danger("run_argv", {"argv": argv})
reason = _reason("run_argv", {"argv": argv})
assert reason is not None, argv
assert "interpreter 'python'" in reason or "interpreter 'bash'" in reason
assert "$(command)" in reason
@@ -142,7 +158,7 @@ def test_wrappers_reach_the_interpreter() -> None:
def test_value_free_flags_do_not_hide_the_interpreter() -> None:
"""``exec -c`` takes no value, so the interpreter behind it is still reviewed."""
reason = classify_danger("run_argv", {"argv": ["exec", "-c", "python", "-c", "print(1)"]})
reason = _reason("run_argv", {"argv": ["exec", "-c", "python", "-c", "print(1)"]})
assert reason is not None
assert "interpreter 'python'" in reason
assert "print(1)" in reason
@@ -150,26 +166,26 @@ def test_value_free_flags_do_not_hide_the_interpreter() -> None:
def test_wrapper_command_line_option_is_reviewed() -> None:
"""`env -S` / `su -c` carry a command line, so they are confirmed like `-c`."""
reason = classify_danger("run_argv", {"argv": ["env", "-S", "rm -rf /"]})
reason = _reason("run_argv", {"argv": ["env", "-S", "rm -rf /"]})
assert reason is not None
assert "env -S runs a command line" in reason
assert " env -S:\n rm -rf /" in reason
# Plain wrapper options are not a review trigger.
assert classify_danger("run_argv", {"argv": ["env", "-u", "FOO=1", "git", "status"]}) is None
assert classify_danger("run_argv", {"argv": ["env", "FOO=1", "git", "-c", "x=y", "log"]}) is None
assert _reason("run_argv", {"argv": ["env", "-u", "FOO=1", "git", "status"]}) is None
assert _reason("run_argv", {"argv": ["env", "FOO=1", "git", "-c", "x=y", "log"]}) is None
def test_wrapper_command_line_value_needs_no_interpreter() -> None:
"""The wrapper's value is reviewed even when no interpreter is resolved."""
reason = classify_danger("run_argv", {"argv": ["env", "-S", "python -O script.py"]})
reason = _reason("run_argv", {"argv": ["env", "-S", "python -O script.py"]})
assert reason is not None
assert "env -S runs a command line" in reason
assert "python -O script.py" in reason
def test_only_the_interpreter_dash_c_becomes_a_placeholder() -> None:
reason = classify_danger("run_argv", {"argv": ["ionice", "-c", "2", "python", "-c", "print(1)"]})
reason = _reason("run_argv", {"argv": ["ionice", "-c", "2", "python", "-c", "print(1)"]})
assert reason is not None
argv_line = next(line for line in reason.splitlines() if line.startswith(" argv:"))
assert "ionice -c 2" in argv_line
@@ -178,15 +194,43 @@ def test_only_the_interpreter_dash_c_becomes_a_placeholder() -> None:
def test_detached_runner_is_always_reviewed() -> None:
assert classify_danger("run_argv", {"argv": ["sleep", "5"]}) is None
reason = classify_danger("run_argv", {"argv": ["nohup", "sleep", "5"]})
assert _reason("run_argv", {"argv": ["sleep", "5"]}) is None
reason = _reason("run_argv", {"argv": ["nohup", "sleep", "5"]})
assert reason is not None and "nohup (detached run)" in reason
nested = classify_danger("run_argv", {"argv": ["nohup", "python", "-c", "print(1)"]})
nested = _reason("run_argv", {"argv": ["nohup", "python", "-c", "print(1)"]})
assert nested is not None
assert "nohup (detached run)" in nested and "interpreter 'python'" in nested
assert "print(1)" in nested
def test_privilege_escalation_refuses_the_yolo_skip() -> None:
"""A reason that runs through `sudo`/`doas` keeps its prompt under YOLO mode."""
reason = _danger("run_argv", {"argv": ["sudo", "python", "-c", "print(1)"]})
assert "interpreter 'python'" in reason.text
assert "privilege escalation sudo" in reason.text
assert reason.yolo_skip is False
assert _danger("run_argv", {"argv": ["env", "FOO=1", "doas", "bash", "-c", "ls"]}).yolo_skip is False
# A plain interpreter run is still YOLO mode's to drop.
assert _danger("run_argv", {"argv": ["bash", "-c", "echo hi"]}).yolo_skip is True
# Escalation adds no reason of its own: the denylist gate asks about it.
assert classify_danger("run_argv", {"argv": ["sudo", "ls"]}) is None
def test_batch_refuses_the_yolo_skip_when_a_step_escalates() -> None:
"""One escalating step keeps the batch prompt; all-plain steps may be dropped."""
mixed = _danger(
"run_argv_batch",
{"steps": [{"argv": ["bash", "-c", "ls"]}, {"argv": ["sudo", "python", "-c", "print(1)"]}]},
)
assert mixed.yolo_skip is False
plain = _danger(
"run_argv_batch",
{"steps": [{"argv": ["bash", "-c", "ls"]}, {"argv": ["python", "-c", "print(1)"]}]},
)
assert plain.yolo_skip is True
async def test_confirm_deny_with_comment() -> None:
from plyngent.agent.tools import ToolRegistry, tool
from plyngent.tools.danger import classify_danger as danger
@@ -208,7 +252,7 @@ async def test_confirm_deny_with_comment() -> None:
def test_shell_confirm_formats_command_placeholder() -> None:
script = chr(10).join(["line1", "line2", "line3"])
reason = classify_danger(
reason = _reason(
"run_argv",
{"argv": ["bash", "-c", script]},
)