1use anyhow::{anyhow, Context as _, Result};
 2use assistant_tool::Tool;
 3use gpui::{App, Entity, Task};
 4use language_model::LanguageModelRequestMessage;
 5use project::Project;
 6use schemars::JsonSchema;
 7use serde::{Deserialize, Serialize};
 8use std::sync::Arc;
 9use util::command::new_smol_command;
10
11#[derive(Debug, Serialize, Deserialize, JsonSchema)]
12pub struct BashToolInput {
13    /// The bash command to execute as a one-liner.
14    command: String,
15    /// Working directory for the command. This must be one of the root directories of the project.
16    working_directory: String,
17}
18
19pub struct BashTool;
20
21impl Tool for BashTool {
22    fn name(&self) -> String {
23        "bash".to_string()
24    }
25
26    fn description(&self) -> String {
27        include_str!("./bash_tool/description.md").to_string()
28    }
29
30    fn input_schema(&self) -> serde_json::Value {
31        let schema = schemars::schema_for!(BashToolInput);
32        serde_json::to_value(&schema).unwrap()
33    }
34
35    fn run(
36        self: Arc<Self>,
37        input: serde_json::Value,
38        _messages: &[LanguageModelRequestMessage],
39        project: Entity<Project>,
40        cx: &mut App,
41    ) -> Task<Result<String>> {
42        let input: BashToolInput = match serde_json::from_value(input) {
43            Ok(input) => input,
44            Err(err) => return Task::ready(Err(anyhow!(err))),
45        };
46
47        let Some(worktree) = project
48            .read(cx)
49            .worktree_for_root_name(&input.working_directory, cx)
50        else {
51            return Task::ready(Err(anyhow!("Working directory not found in the project")));
52        };
53        let working_directory = worktree.read(cx).abs_path();
54
55        cx.spawn(|_| async move {
56            // Add 2>&1 to merge stderr into stdout for proper interleaving.
57            let command = format!("{} 2>&1", input.command);
58
59            let output = new_smol_command("bash")
60                .arg("-c")
61                .arg(&command)
62                .current_dir(working_directory)
63                .output()
64                .await
65                .context("Failed to execute bash command")?;
66
67            let output_string = String::from_utf8_lossy(&output.stdout).to_string();
68
69            if output.status.success() {
70                if output_string.is_empty() {
71                    Ok("Command executed successfully.".to_string())
72                } else {
73                    Ok(output_string)
74                }
75            } else {
76                Ok(format!(
77                    "Command failed with exit code {}\n{}",
78                    output.status.code().unwrap_or(-1),
79                    &output_string
80                ))
81            }
82        })
83    }
84}