exp: Fix --rev args for ls pull and remove.

Closes iterative#9471

dvc/repo/experiments/ls.py

@@ -1,6 +1,6 @@
 import logging
 from collections import defaultdict
-from typing import Optional
+from typing import List, Optional, Union
 
 from dvc.repo import locked
 from dvc.repo.scm_context import scm_context
@@ -15,14 +15,17 @@
 @scm_context
 def ls(
     repo,
-    rev: Optional[str] = None,
+    rev: Optional[Union[List[str], str]] = None,
     all_commits: bool = False,
     num: int = 1,
     git_remote: Optional[str] = None,
 ):
     rev_set = None
     if not all_commits:
-        revs = iter_revs(repo.scm, [rev or "HEAD"], num)
+        rev = rev or "HEAD"
+        if isinstance(rev, str):
+            rev = [rev]
+        revs = iter_revs(repo.scm, rev, num)
         rev_set = set(revs.keys())
     ref_info_dict = exp_refs_by_baseline(repo.scm, rev_set, git_remote)
 

dvc/repo/experiments/pull.py

@@ -23,7 +23,7 @@ def pull(  # noqa: C901
     git_remote: str,
     exp_names: Union[Iterable[str], str],
     all_commits=False,
-    rev: Optional[str] = None,
+    rev: Optional[Union[List[str], str]] = None,
     num=1,
     force: bool = False,
     pull_cache: bool = False,
@@ -49,7 +49,9 @@ def pull(  # noqa: C901
                 raise UnresolvedExpNamesError(unresolved_exp_names)
 
         if rev:
-            rev_dict = iter_revs(repo.scm, [rev], num)
+            if isinstance(rev, str):
+                rev = [rev]
+            rev_dict = iter_revs(repo.scm, rev, num)
             rev_set = set(rev_dict.keys())
             ref_info_dict = exp_refs_by_baseline(repo.scm, rev_set, git_remote)
             for _, ref_info_list in ref_info_dict.items():

dvc/repo/experiments/remove.py

@@ -24,7 +24,7 @@
 def remove(  # noqa: C901, PLR0912
     repo: "Repo",
     exp_names: Union[None, str, List[str]] = None,
-    rev: Optional[str] = None,
+    rev: Optional[Union[List[str], str]] = None,
     all_commits: bool = False,
     num: int = 1,
     queue: bool = False,
@@ -60,6 +60,8 @@ def remove(  # noqa: C901, PLR0912
         if remained:
             raise UnresolvedExpNamesError(remained, git_remote=git_remote)
     elif rev:
+        if isinstance(rev, str):
+            rev = [rev]
         exp_ref_dict = _resolve_exp_by_baseline(repo, rev, num, git_remote)
         removed.extend(exp_ref_dict.keys())
         exp_ref_list.extend(exp_ref_dict.values())
@@ -85,14 +87,14 @@ def remove(  # noqa: C901, PLR0912
 
 def _resolve_exp_by_baseline(
     repo: "Repo",
-    rev: str,
+    rev: List[str],
     num: int,
     git_remote: Optional[str] = None,
 ) -> Dict[str, "ExpRefInfo"]:
     assert isinstance(repo.scm, Git)
 
     commit_ref_dict: Dict[str, "ExpRefInfo"] = {}
-    rev_dict = iter_revs(repo.scm, [rev], num)
+    rev_dict = iter_revs(repo.scm, rev, num)
     rev_set = set(rev_dict.keys())
     ref_info_dict = exp_refs_by_baseline(repo.scm, rev_set, git_remote)
     for _, ref_info_list in ref_info_dict.items():

tests/func/experiments/test_experiments.py

@@ -369,6 +369,12 @@ def test_list(tmp_dir, scm, dvc, exp_stage):
         baseline_a[:7]: {ref_info_a.name, ref_info_b.name}
     }
 
+    exp_list = dvc.experiments.ls(rev=[baseline_a, scm.get_rev()])
+    assert {key: set(val) for key, val in exp_list.items()} == {
+        baseline_a[:7]: {ref_info_a.name, ref_info_b.name},
+        "master": {ref_info_c.name},
+    }
+
     exp_list = dvc.experiments.ls(all_commits=True)
     assert {key: set(val) for key, val in exp_list.items()} == {
         baseline_a[:7]: {ref_info_a.name, ref_info_b.name},

tests/func/experiments/test_remote.py

@@ -251,6 +251,30 @@ def test_pull_args(tmp_dir, scm, dvc, git_downstream, exp_stage, all_, rev, resu
     assert git_downstream.tmp_dir.scm.get_ref(str(ref_info3)) == result3
 
 
+def test_pull_multi_rev(tmp_dir, scm, dvc, git_downstream, exp_stage):
+    baseline = scm.get_rev()
+
+    results = dvc.experiments.run(exp_stage.addressing, params=["foo=1"])
+    exp1 = first(results)
+    ref_info1 = first(exp_refs_by_rev(scm, exp1))
+    results = dvc.experiments.run(exp_stage.addressing, params=["foo=2"])
+    exp2 = first(results)
+    ref_info2 = first(exp_refs_by_rev(scm, exp2))
+
+    scm.commit("new_baseline")
+
+    results = dvc.experiments.run(exp_stage.addressing, params=["foo=3"])
+    exp3 = first(results)
+    ref_info3 = first(exp_refs_by_rev(scm, exp3))
+
+    downstream_exp = git_downstream.tmp_dir.dvc.experiments
+    git_downstream.tmp_dir.scm.fetch_refspecs(str(tmp_dir), ["master:master"])
+    downstream_exp.pull(git_downstream.remote, [], rev=[baseline, scm.get_rev()])
+    assert git_downstream.tmp_dir.scm.get_ref(str(ref_info1)) == exp1
+    assert git_downstream.tmp_dir.scm.get_ref(str(ref_info2)) == exp2
+    assert git_downstream.tmp_dir.scm.get_ref(str(ref_info3)) == exp3
+
+
 def test_pull_diverged(tmp_dir, scm, dvc, git_downstream, exp_stage):
     git_downstream.tmp_dir.scm_gen("foo", "foo", commit="init")
     remote_rev = git_downstream.tmp_dir.scm.get_rev()

tests/func/experiments/test_remove.py

@@ -156,3 +156,26 @@ def test_remove_experiments_by_rev(tmp_dir, scm, dvc, exp_stage):
     assert "queue2" in queue_revs
     assert scm.get_ref(new_exp_ref) is not None
     assert "queue4" in queue_revs
+
+
+def test_remove_multi_rev(tmp_dir, scm, dvc, exp_stage):
+    baseline = scm.get_rev()
+
+    results = dvc.experiments.run(exp_stage.addressing, params=["foo=1"])
+    baseline_exp_ref = first(exp_refs_by_rev(scm, first(results)))
+
+    dvc.experiments.run(
+        exp_stage.addressing, params=["foo=2"], queue=True, name="queue2"
+    )
+    scm.commit("new_baseline")
+
+    results = dvc.experiments.run(exp_stage.addressing, params=["foo=3"])
+    new_exp_ref = first(exp_refs_by_rev(scm, first(results)))
+
+    assert set(dvc.experiments.remove(rev=[baseline, scm.get_rev()])) == {
+        baseline_exp_ref.name,
+        new_exp_ref.name,
+    }
+
+    assert scm.get_ref(str(baseline_exp_ref)) is None
+    assert scm.get_ref(str(new_exp_ref)) is None