Move git info tests back to core

Remove the git-utils dev-dependency cycle by letting codex-core own the git-info tests again while the shared crate keeps the runtime implementation.\n\nCo-authored-by: Codex <noreply@openai.com>

codex-rs/Cargo.lock

@@ -2140,14 +2140,12 @@ name = "codex-git-utils"
 version = "0.0.0"
 dependencies = [
  "assert_matches",
- "core_test_support",
  "futures",
  "once_cell",
  "pretty_assertions",
  "regex",
  "schemars 0.8.22",
  "serde",
- "serde_json",
  "tempfile",
  "thiserror 2.0.18",
  "tokio",

codex-rs/core/src/git_info_tests.rs

@@ -1,9 +1,14 @@
-use super::*;
-
+use codex_git_utils::GitInfo;
+use codex_git_utils::collect_git_info;
+use codex_git_utils::get_has_changes;
+use codex_git_utils::git_diff_to_remote;
+use codex_git_utils::recent_commits;
+use codex_git_utils::resolve_root_git_project_for_trust;
 use core_test_support::skip_if_sandbox;
 use std::fs;
 use std::path::PathBuf;
 use tempfile::TempDir;
+use tokio::process::Command;
 
 // Helper function to create a test git repository
 async fn create_test_git_repo(temp_dir: &TempDir) -> PathBuf {

codex-rs/core/src/lib.rs

@@ -41,6 +41,8 @@ mod exec_policy;
 pub mod external_agent_config;
 mod file_watcher;
 mod flags;
+#[cfg(test)]
+mod git_info_tests;
 mod guardian;
 mod hook_runtime;
 pub mod instructions;

codex-rs/git-utils/Cargo.toml

@@ -26,6 +26,4 @@ walkdir = { workspace = true }
 
 [dev-dependencies]
 assert_matches = { workspace = true }
-core_test_support = { workspace = true }
 pretty_assertions = { workspace = true }
-serde_json = { workspace = true }

codex-rs/git-utils/src/info.rs

@@ -707,7 +707,3 @@ pub async fn current_branch_name(cwd: &Path) -> Option<String> {
         .map(|s| s.trim().to_string())
         .filter(|name| !name.is_empty())
 }
-
-#[cfg(test)]
-#[path = "info_tests.rs"]
-mod tests;