chore: rename codex-command to codex-shell-command (#11378)

This addresses some post-merge feedback on
https://github.com/openai/codex/pull/11361:

- crate rename
- reuse `detect_shell_type()` utility

codex-rs/Cargo.lock

@@ -1623,26 +1623,6 @@ dependencies = [
  "thiserror 2.0.18",
 ]
 
-[[package]]
-name = "codex-command"
-version = "0.0.0"
-dependencies = [
- "anyhow",
- "base64 0.22.1",
- "codex-protocol",
- "codex-utils-absolute-path",
- "once_cell",
- "pretty_assertions",
- "regex",
- "serde",
- "serde_json",
- "shlex",
- "tree-sitter",
- "tree-sitter-bash",
- "url",
- "which",
-]
-
 [[package]]
 name = "codex-common"
 version = "0.0.0"
@@ -1680,7 +1660,6 @@ dependencies = [
  "codex-arg0",
  "codex-async-utils",
  "codex-client",
- "codex-command",
  "codex-core",
  "codex-execpolicy",
  "codex-file-search",
@@ -1691,6 +1670,7 @@ dependencies = [
  "codex-otel",
  "codex-protocol",
  "codex-rmcp-client",
+ "codex-shell-command",
  "codex-state",
  "codex-utils-absolute-path",
  "codex-utils-cargo-bin",
@@ -2209,6 +2189,26 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "codex-shell-command"
+version = "0.0.0"
+dependencies = [
+ "anyhow",
+ "base64 0.22.1",
+ "codex-protocol",
+ "codex-utils-absolute-path",
+ "once_cell",
+ "pretty_assertions",
+ "regex",
+ "serde",
+ "serde_json",
+ "shlex",
+ "tree-sitter",
+ "tree-sitter-bash",
+ "url",
+ "which",
+]
+
 [[package]]
 name = "codex-state"
 version = "0.0.0"

codex-rs/Cargo.toml

@@ -16,7 +16,7 @@ members = [
     "cloud-tasks-client",
     "cli",
     "common",
-    "command",
+    "shell-command",
     "core",
     "hooks",
     "secrets",
@@ -83,7 +83,7 @@ codex-chatgpt = { path = "chatgpt" }
 codex-cli = { path = "cli"}
 codex-client = { path = "codex-client" }
 codex-common = { path = "common" }
-codex-command = { path = "command" }
+codex-shell-command = { path = "shell-command" }
 codex-core = { path = "core" }
 codex-hooks = { path = "hooks" }
 codex-secrets = { path = "secrets" }

codex-rs/core/Cargo.toml

@@ -33,7 +33,7 @@ codex-app-server-protocol = { workspace = true }
 codex-apply-patch = { workspace = true }
 codex-async-utils = { workspace = true }
 codex-client = { workspace = true }
-codex-command = { workspace = true }
+codex-shell-command = { workspace = true }
 codex-execpolicy = { workspace = true }
 codex-file-search = { workspace = true }
 codex-git = { workspace = true }

codex-rs/core/src/lib.rs

@@ -56,6 +56,7 @@ mod proposed_plan_parser;
 mod sandbox_tags;
 pub mod sandboxing;
 mod session_prefix;
+mod shell_detect;
 mod stream_events_utils;
 mod tagged_block_parser;
 mod text_encoding;
@@ -129,11 +130,11 @@ mod state;
 mod tasks;
 mod user_shell_command;
 pub mod util;
-pub use codex_command::bash;
-pub use codex_command::is_dangerous_command;
-pub use codex_command::is_safe_command;
-pub use codex_command::parse_command;
-pub use codex_command::powershell;
+pub use codex_shell_command::bash;
+pub use codex_shell_command::is_dangerous_command;
+pub use codex_shell_command::is_safe_command;
+pub use codex_shell_command::parse_command;
+pub use codex_shell_command::powershell;
 
 pub use apply_patch::CODEX_APPLY_PATCH_ARG1;
 pub use client::X_CODEX_TURN_METADATA_HEADER;

codex-rs/core/src/shell.rs

@@ -1,3 +1,4 @@
+use crate::shell_detect::detect_shell_type;
 use crate::shell_snapshot::ShellSnapshot;
 use serde::Deserialize;
 use serde::Serialize;
@@ -244,27 +245,6 @@ pub fn get_shell(shell_type: ShellType, path: Option<&PathBuf>) -> Option<Shell>
     }
 }
 
-pub fn detect_shell_type(shell_path: &PathBuf) -> Option<ShellType> {
-    match shell_path.as_os_str().to_str() {
-        Some("zsh") => Some(ShellType::Zsh),
-        Some("sh") => Some(ShellType::Sh),
-        Some("cmd") => Some(ShellType::Cmd),
-        Some("bash") => Some(ShellType::Bash),
-        Some("pwsh") => Some(ShellType::PowerShell),
-        Some("powershell") => Some(ShellType::PowerShell),
-        _ => {
-            let shell_name = shell_path.file_stem();
-            if let Some(shell_name) = shell_name
-                && shell_name != shell_path
-            {
-                detect_shell_type(&PathBuf::from(shell_name))
-            } else {
-                None
-            }
-        }
-    }
-}
-
 pub fn default_user_shell() -> Shell {
     default_user_shell_from_path(get_user_shell_path())
 }

codex-rs/core/src/shell_detect.rs

@@ -0,0 +1,24 @@
+use crate::shell::ShellType;
+use std::path::Path;
+use std::path::PathBuf;
+
+pub(crate) fn detect_shell_type(shell_path: &PathBuf) -> Option<ShellType> {
+    match shell_path.as_os_str().to_str() {
+        Some("zsh") => Some(ShellType::Zsh),
+        Some("sh") => Some(ShellType::Sh),
+        Some("cmd") => Some(ShellType::Cmd),
+        Some("bash") => Some(ShellType::Bash),
+        Some("pwsh") => Some(ShellType::PowerShell),
+        Some("powershell") => Some(ShellType::PowerShell),
+        _ => {
+            let shell_name = shell_path.file_stem();
+            if let Some(shell_name) = shell_name {
+                let shell_name_path = Path::new(shell_name);
+                if shell_name_path != Path::new(shell_path) {
+                    return detect_shell_type(&shell_name_path.to_path_buf());
+                }
+            }
+            None
+        }
+    }
+}

codex-rs/shell-command/BUILD.bazel

@@ -1,7 +1,7 @@
 load("//:defs.bzl", "codex_rust_crate")
 
 codex_rust_crate(
-    name = "command",
-    crate_name = "codex_command",
+    name = "shell-command",
+    crate_name = "codex_shell_command",
     compile_data = ["src/command_safety/powershell_parser.ps1"],
 )

codex-rs/shell-command/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "codex-command"
+name = "codex-shell-command"
 version.workspace = true
 edition.workspace = true
 license.workspace = true