From d0bf8710c3781055a538a8b93152e4ef80ce7c30 Mon Sep 17 00:00:00 2001
From: Eric Roshan-Eisner <eric.d.eisner@gmail.com>
Date: Mon, 6 May 2024 08:42:43 -0700
Subject: [PATCH] cli: status: only scan through mutable changes to find
 conflicts

Fixes #3628
---
 CHANGELOG.md               | 2 ++
 cli/src/commands/status.rs | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9700c7f75b..484d3f0810 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed bugs
 
+* `jj status` no longer scans through the entire history to look for ancestors with conflicts.
+
 ## [0.17.0] - 2024-05-01
 
 ### Breaking changes
diff --git a/cli/src/commands/status.rs b/cli/src/commands/status.rs
index 0030857922..d8e08d356e 100644
--- a/cli/src/commands/status.rs
+++ b/cli/src/commands/status.rs
@@ -21,6 +21,7 @@ use tracing::instrument;
 use crate::cli_util::{print_conflicted_paths, CommandHelper};
 use crate::command_error::CommandError;
 use crate::diff_util;
+use crate::revset_util;
 use crate::ui::Ui;
 
 /// Show high-level repo status
@@ -98,6 +99,9 @@ pub(crate) fn cmd_status(
         let ancestors_conflicts = RevsetExpression::filter(RevsetFilterPredicate::HasConflict)
             .intersection(&wc_revset.ancestors())
             .minus(&wc_revset)
+            .minus(&revset_util::parse_immutable_expression(
+                &workspace_command.revset_parse_context(),
+            )?)
             .evaluate_programmatic(repo.as_ref())?
             .iter()
             .collect();