agent: Use current shell (#28470)
Release Notes: - agent: Replace `bash` tool with `terminal` tool which uses the current shell --------- Co-authored-by: Bennet <bennet@zed.dev> Co-authored-by: Antonio <antonio@zed.dev>
This commit is contained in:
Agus Zubiaga
GitHub
parent
8ac378b86e
commit
90bcde116f
15 changed files with 334 additions and 74 deletions
|
|
@ -1,306 +0,0 @@
|
|||
use crate::schema::json_schema_for;
|
||||
use anyhow::{Context as _, Result, anyhow};
|
||||
use assistant_tool::{ActionLog, Tool};
|
||||
use futures::io::BufReader;
|
||||
use futures::{AsyncBufReadExt, AsyncReadExt};
|
||||
use gpui::{App, AppContext, Entity, Task};
|
||||
use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
|
||||
use project::Project;
|
||||
use schemars::JsonSchema;
|
||||
use serde::{Deserialize, Serialize};
|
||||
use std::path::Path;
|
||||
use std::sync::Arc;
|
||||
use ui::IconName;
|
||||
use util::command::new_smol_command;
|
||||
use util::markdown::MarkdownString;
|
||||
|
||||
#[derive(Debug, Serialize, Deserialize, JsonSchema)]
|
||||
pub struct BashToolInput {
|
||||
/// The bash one-liner command to execute.
|
||||
command: String,
|
||||
/// Working directory for the command. This must be one of the root directories of the project.
|
||||
cd: String,
|
||||
}
|
||||
|
||||
pub struct BashTool;
|
||||
|
||||
impl Tool for BashTool {
|
||||
fn name(&self) -> String {
|
||||
"bash".to_string()
|
||||
}
|
||||
|
||||
fn needs_confirmation(&self, _: &serde_json::Value, _: &App) -> bool {
|
||||
true
|
||||
}
|
||||
|
||||
fn description(&self) -> String {
|
||||
include_str!("./bash_tool/description.md").to_string()
|
||||
}
|
||||
|
||||
fn icon(&self) -> IconName {
|
||||
IconName::Terminal
|
||||
}
|
||||
|
||||
fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> serde_json::Value {
|
||||
json_schema_for::<BashToolInput>(format)
|
||||
}
|
||||
|
||||
fn ui_text(&self, input: &serde_json::Value) -> String {
|
||||
match serde_json::from_value::<BashToolInput>(input.clone()) {
|
||||
Ok(input) => {
|
||||
let mut lines = input.command.lines();
|
||||
let first_line = lines.next().unwrap_or_default();
|
||||
let remaining_line_count = lines.count();
|
||||
match remaining_line_count {
|
||||
0 => MarkdownString::inline_code(&first_line).0,
|
||||
1 => {
|
||||
MarkdownString::inline_code(&format!(
|
||||
"{} - {} more line",
|
||||
first_line, remaining_line_count
|
||||
))
|
||||
.0
|
||||
}
|
||||
n => {
|
||||
MarkdownString::inline_code(&format!("{} - {} more lines", first_line, n)).0
|
||||
}
|
||||
}
|
||||
}
|
||||
Err(_) => "Run bash command".to_string(),
|
||||
}
|
||||
}
|
||||
|
||||
fn run(
|
||||
self: Arc<Self>,
|
||||
input: serde_json::Value,
|
||||
_messages: &[LanguageModelRequestMessage],
|
||||
project: Entity<Project>,
|
||||
_action_log: Entity<ActionLog>,
|
||||
cx: &mut App,
|
||||
) -> Task<Result<String>> {
|
||||
let input: BashToolInput = match serde_json::from_value(input) {
|
||||
Ok(input) => input,
|
||||
Err(err) => return Task::ready(Err(anyhow!(err))),
|
||||
};
|
||||
|
||||
let project = project.read(cx);
|
||||
let input_path = Path::new(&input.cd);
|
||||
let working_dir = if input.cd == "." {
|
||||
// Accept "." as meaning "the one worktree" if we only have one worktree.
|
||||
let mut worktrees = project.worktrees(cx);
|
||||
|
||||
let only_worktree = match worktrees.next() {
|
||||
Some(worktree) => worktree,
|
||||
None => return Task::ready(Err(anyhow!("No worktrees found in the project"))),
|
||||
};
|
||||
|
||||
if worktrees.next().is_some() {
|
||||
return Task::ready(Err(anyhow!(
|
||||
"'.' is ambiguous in multi-root workspaces. Please specify a root directory explicitly."
|
||||
)));
|
||||
}
|
||||
|
||||
only_worktree.read(cx).abs_path()
|
||||
} else if input_path.is_absolute() {
|
||||
// Absolute paths are allowed, but only if they're in one of the project's worktrees.
|
||||
if !project
|
||||
.worktrees(cx)
|
||||
.any(|worktree| input_path.starts_with(&worktree.read(cx).abs_path()))
|
||||
{
|
||||
return Task::ready(Err(anyhow!(
|
||||
"The absolute path must be within one of the project's worktrees"
|
||||
)));
|
||||
}
|
||||
|
||||
input_path.into()
|
||||
} else {
|
||||
let Some(worktree) = project.worktree_for_root_name(&input.cd, cx) else {
|
||||
return Task::ready(Err(anyhow!(
|
||||
"`cd` directory {} not found in the project",
|
||||
&input.cd
|
||||
)));
|
||||
};
|
||||
|
||||
worktree.read(cx).abs_path()
|
||||
};
|
||||
|
||||
cx.background_spawn(run_command_limited(working_dir, input.command))
|
||||
}
|
||||
}
|
||||
|
||||
const LIMIT: usize = 16 * 1024;
|
||||
|
||||
async fn run_command_limited(working_dir: Arc<Path>, command: String) -> Result<String> {
|
||||
// Add 2>&1 to merge stderr into stdout for proper interleaving.
|
||||
let command = format!("({}) 2>&1", command);
|
||||
|
||||
let mut cmd = new_smol_command("bash")
|
||||
.arg("-c")
|
||||
.arg(&command)
|
||||
.current_dir(working_dir)
|
||||
.stdout(std::process::Stdio::piped())
|
||||
.spawn()
|
||||
.context("Failed to execute bash command")?;
|
||||
|
||||
// Capture stdout with a limit
|
||||
let stdout = cmd.stdout.take().unwrap();
|
||||
let mut reader = BufReader::new(stdout);
|
||||
|
||||
// Read one more byte to determine whether the output was truncated
|
||||
let mut buffer = vec![0; LIMIT + 1];
|
||||
let mut bytes_read = 0;
|
||||
|
||||
// Read until we reach the limit
|
||||
loop {
|
||||
let read = reader.read(&mut buffer[bytes_read..]).await?;
|
||||
if read == 0 {
|
||||
break;
|
||||
}
|
||||
|
||||
bytes_read += read;
|
||||
if bytes_read > LIMIT {
|
||||
bytes_read = LIMIT + 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Repeatedly fill the output reader's buffer without copying it.
|
||||
loop {
|
||||
let skipped_bytes = reader.fill_buf().await?;
|
||||
if skipped_bytes.is_empty() {
|
||||
break;
|
||||
}
|
||||
let skipped_bytes_len = skipped_bytes.len();
|
||||
reader.consume_unpin(skipped_bytes_len);
|
||||
}
|
||||
|
||||
let output_bytes = &buffer[..bytes_read.min(LIMIT)];
|
||||
|
||||
let status = cmd.status().await.context("Failed to get command status")?;
|
||||
|
||||
let output_string = if bytes_read > LIMIT {
|
||||
// Valid to find `\n` in UTF-8 since 0-127 ASCII characters are not used in
|
||||
// multi-byte characters.
|
||||
let last_line_ix = output_bytes.iter().rposition(|b| *b == b'\n');
|
||||
let until_last_line = &output_bytes[..last_line_ix.unwrap_or(output_bytes.len())];
|
||||
let output_string = String::from_utf8_lossy(until_last_line);
|
||||
|
||||
format!(
|
||||
"Command output too long. The first {} bytes:\n\n{}",
|
||||
output_string.len(),
|
||||
output_block(&output_string),
|
||||
)
|
||||
} else {
|
||||
output_block(&String::from_utf8_lossy(&output_bytes))
|
||||
};
|
||||
|
||||
let output_with_status = if status.success() {
|
||||
if output_string.is_empty() {
|
||||
"Command executed successfully.".to_string()
|
||||
} else {
|
||||
output_string.to_string()
|
||||
}
|
||||
} else {
|
||||
format!(
|
||||
"Command failed with exit code {}\n\n{}",
|
||||
status.code().unwrap_or(-1),
|
||||
output_string,
|
||||
)
|
||||
};
|
||||
|
||||
Ok(output_with_status)
|
||||
}
|
||||
|
||||
fn output_block(output: &str) -> String {
|
||||
format!(
|
||||
"```\n{}{}```",
|
||||
output,
|
||||
if output.ends_with('\n') { "" } else { "\n" }
|
||||
)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
#[cfg(not(windows))]
|
||||
mod tests {
|
||||
use gpui::TestAppContext;
|
||||
|
||||
use super::*;
|
||||
|
||||
#[gpui::test]
|
||||
async fn test_run_command_simple(cx: &mut TestAppContext) {
|
||||
cx.executor().allow_parking();
|
||||
|
||||
let result =
|
||||
run_command_limited(Path::new(".").into(), "echo 'Hello, World!'".to_string()).await;
|
||||
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(result.unwrap(), "```\nHello, World!\n```");
|
||||
}
|
||||
|
||||
#[gpui::test]
|
||||
async fn test_interleaved_stdout_stderr(cx: &mut TestAppContext) {
|
||||
cx.executor().allow_parking();
|
||||
|
||||
let command =
|
||||
"echo 'stdout 1' && echo 'stderr 1' >&2 && echo 'stdout 2' && echo 'stderr 2' >&2";
|
||||
let result = run_command_limited(Path::new(".").into(), command.to_string()).await;
|
||||
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(
|
||||
result.unwrap(),
|
||||
"```\nstdout 1\nstderr 1\nstdout 2\nstderr 2\n```"
|
||||
);
|
||||
}
|
||||
|
||||
#[gpui::test]
|
||||
async fn test_multiple_output_reads(cx: &mut TestAppContext) {
|
||||
cx.executor().allow_parking();
|
||||
|
||||
// Command with multiple outputs that might require multiple reads
|
||||
let result = run_command_limited(
|
||||
Path::new(".").into(),
|
||||
"echo '1'; sleep 0.01; echo '2'; sleep 0.01; echo '3'".to_string(),
|
||||
)
|
||||
.await;
|
||||
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(result.unwrap(), "```\n1\n2\n3\n```");
|
||||
}
|
||||
|
||||
#[gpui::test]
|
||||
async fn test_output_truncation_single_line(cx: &mut TestAppContext) {
|
||||
cx.executor().allow_parking();
|
||||
|
||||
let cmd = format!("echo '{}';", "X".repeat(LIMIT * 2));
|
||||
|
||||
let result = run_command_limited(Path::new(".").into(), cmd).await;
|
||||
|
||||
assert!(result.is_ok());
|
||||
let output = result.unwrap();
|
||||
|
||||
let content_start = output.find("```\n").map(|i| i + 4).unwrap_or(0);
|
||||
let content_end = output.rfind("\n```").unwrap_or(output.len());
|
||||
let content_length = content_end - content_start;
|
||||
|
||||
// Output should be exactly the limit
|
||||
assert_eq!(content_length, LIMIT);
|
||||
}
|
||||
|
||||
#[gpui::test]
|
||||
async fn test_output_truncation_multiline(cx: &mut TestAppContext) {
|
||||
cx.executor().allow_parking();
|
||||
|
||||
let cmd = format!("echo '{}'; ", "X".repeat(120)).repeat(160);
|
||||
let result = run_command_limited(Path::new(".").into(), cmd).await;
|
||||
|
||||
assert!(result.is_ok());
|
||||
let output = result.unwrap();
|
||||
|
||||
assert!(output.starts_with("Command output too long. The first 16334 bytes:\n\n"));
|
||||
|
||||
let content_start = output.find("```\n").map(|i| i + 4).unwrap_or(0);
|
||||
let content_end = output.rfind("\n```").unwrap_or(output.len());
|
||||
let content_length = content_end - content_start;
|
||||
|
||||
assert!(content_length <= LIMIT);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue