Files
codex/codex-rs/app-server/tests/suite/bash
Michael Bolin 38f84b6b29 refactor: delete exec-server and move execve wrapper into shell-escalation (#12632)
## Why

We already plan to remove the shell-tool MCP path, and doing that
cleanup first makes the follow-on `shell-escalation` work much simpler.

This change removes the last remaining reason to keep
`codex-rs/exec-server` around by moving the `codex-execve-wrapper`
binary and shared shell test fixtures to the crates/tests that now own
that functionality.

## What Changed

### Delete `codex-rs/exec-server`

- Remove the `exec-server` crate, including the MCP server binary,
MCP-specific modules, and its test support/test suite
- Remove `exec-server` from the `codex-rs` workspace and update
`Cargo.lock`

### Move `codex-execve-wrapper` into `codex-rs/shell-escalation`

- Move the wrapper implementation into `shell-escalation`
(`src/unix/execve_wrapper.rs`)
- Add the `codex-execve-wrapper` binary entrypoint under
`shell-escalation/src/bin/`
- Update `shell-escalation` exports/module layout so the wrapper
entrypoint is hosted there
- Move the wrapper README content from `exec-server` to
`shell-escalation/README.md`

### Move shared shell test fixtures to `app-server`

- Move the DotSlash `bash`/`zsh` test fixtures from
`exec-server/tests/suite/` to `app-server/tests/suite/`
- Update `app-server` zsh-fork tests to reference the new fixture paths

### Keep `shell-tool-mcp` as a shell-assets package

- Update `.github/workflows/shell-tool-mcp.yml` packaging so the npm
artifact contains only patched Bash/Zsh payloads (no Rust binaries)
- Update `shell-tool-mcp/package.json`, `shell-tool-mcp/src/index.ts`,
and docs to reflect the shell-assets-only package shape
- `shell-tool-mcp-ci.yml` does not need changes because it is already
JS-only

## Verification

- `cargo shear`
- `cargo clippy -p codex-shell-escalation --tests`
- `just clippy`
2026-02-23 20:10:22 -08:00

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#!/usr/bin/env dotslash
// This is an instance of the fork of Bash that we bundle with
// https://www.npmjs.com/package/@openai/codex-shell-tool-mcp.
// Fetching the prebuilt version via DotSlash makes it easier to write
// integration tests for shell execution flows.
//
// TODO(mbolin): Currently, we use a .tgz artifact that includes binaries for
// multiple platforms, but we could save a bit of space by making arch-specific
// artifacts available in the GitHub releases and referencing those here.
{
"name": "codex-bash",
"platforms": {
// macOS 13 builds (and therefore x86_64) were dropped in
// https://github.com/openai/codex/pull/7295, so we only provide an
// Apple Silicon build for now.
"macos-aarch64": {
"size": 37003612,
"hash": "blake3",
"digest": "d9cd5928c993b65c340507931c61c02bd6e9179933f8bf26a548482bb5fa53bb",
"format": "tar.gz",
"path": "package/vendor/aarch64-apple-darwin/bash/macos-15/bash",
"providers": [
{
"url": "https://github.com/openai/codex/releases/download/rust-v0.65.0/codex-shell-tool-mcp-npm-0.65.0.tgz"
},
{
"type": "github-release",
"repo": "openai/codex",
"tag": "rust-v0.65.0",
"name": "codex-shell-tool-mcp-npm-0.65.0.tgz"
}
]
},
// Note the `musl` parts of the Linux paths are misleading: the Bash
// binaries are actually linked against `glibc`, but the
// `codex-execve-wrapper` that invokes them is linked against `musl`.
"linux-x86_64": {
"size": 37003612,
"hash": "blake3",
"digest": "d9cd5928c993b65c340507931c61c02bd6e9179933f8bf26a548482bb5fa53bb",
"format": "tar.gz",
"path": "package/vendor/x86_64-unknown-linux-musl/bash/ubuntu-24.04/bash",
"providers": [
{
"url": "https://github.com/openai/codex/releases/download/rust-v0.65.0/codex-shell-tool-mcp-npm-0.65.0.tgz"
},
{
"type": "github-release",
"repo": "openai/codex",
"tag": "rust-v0.65.0",
"name": "codex-shell-tool-mcp-npm-0.65.0.tgz"
}
]
},
"linux-aarch64": {
"size": 37003612,
"hash": "blake3",
"digest": "d9cd5928c993b65c340507931c61c02bd6e9179933f8bf26a548482bb5fa53bb",
"format": "tar.gz",
"path": "package/vendor/aarch64-unknown-linux-musl/bash/ubuntu-24.04/bash",
"providers": [
{
"url": "https://github.com/openai/codex/releases/download/rust-v0.65.0/codex-shell-tool-mcp-npm-0.65.0.tgz"
},
{
"type": "github-release",
"repo": "openai/codex",
"tag": "rust-v0.65.0",
"name": "codex-shell-tool-mcp-npm-0.65.0.tgz"
}
]
},
}
}