1use std::rc::Rc;
2use std::{any::Any, path::Path};
3
4use crate::acp::AcpConnection;
5use crate::{AgentServer, AgentServerDelegate};
6use acp_thread::{AgentConnection, LoadError};
7use anyhow::Result;
8use gpui::{App, AppContext as _, SharedString, Task};
9use language_models::provider::google::GoogleLanguageModelProvider;
10use settings::SettingsStore;
11
12use crate::AllAgentServersSettings;
13
14#[derive(Clone)]
15pub struct Gemini;
16
17const ACP_ARG: &str = "--experimental-acp";
18
19impl AgentServer for Gemini {
20 fn telemetry_id(&self) -> &'static str {
21 "gemini-cli"
22 }
23
24 fn name(&self) -> SharedString {
25 "Gemini CLI".into()
26 }
27
28 fn logo(&self) -> ui::IconName {
29 ui::IconName::AiGemini
30 }
31
32 fn connect(
33 &self,
34 root_dir: &Path,
35 delegate: AgentServerDelegate,
36 cx: &mut App,
37 ) -> Task<Result<Rc<dyn AgentConnection>>> {
38 let root_dir = root_dir.to_path_buf();
39 let fs = delegate.project().read(cx).fs().clone();
40 let server_name = self.name();
41 let settings = cx.read_global(|settings: &SettingsStore, _| {
42 settings.get::<AllAgentServersSettings>(None).gemini.clone()
43 });
44
45 cx.spawn(async move |cx| {
46 let ignore_system_version = settings
47 .as_ref()
48 .and_then(|settings| settings.ignore_system_version)
49 .unwrap_or(true);
50 let mut command = if let Some(settings) = settings
51 && let Some(command) = settings.custom_command()
52 {
53 command
54 } else {
55 cx.update(|cx| {
56 delegate.get_or_npm_install_builtin_agent(
57 Self::BINARY_NAME.into(),
58 Self::PACKAGE_NAME.into(),
59 format!("node_modules/{}/dist/index.js", Self::PACKAGE_NAME).into(),
60 ignore_system_version,
61 Some(Self::MINIMUM_VERSION.parse().unwrap()),
62 cx,
63 )
64 })?
65 .await?
66 };
67 if !command.args.contains(&ACP_ARG.into()) {
68 command.args.push(ACP_ARG.into());
69 }
70
71 if let Some(api_key) = cx.update(GoogleLanguageModelProvider::api_key)?.await.ok() {
72 command
73 .env
74 .get_or_insert_default()
75 .insert("GEMINI_API_KEY".to_owned(), api_key.key);
76 }
77
78 let root_dir_exists = fs.is_dir(&root_dir).await;
79 anyhow::ensure!(
80 root_dir_exists,
81 "Session root {} does not exist or is not a directory",
82 root_dir.to_string_lossy()
83 );
84
85 let result = crate::acp::connect(server_name, command.clone(), &root_dir, cx).await;
86 match &result {
87 Ok(connection) => {
88 if let Some(connection) = connection.clone().downcast::<AcpConnection>()
89 && !connection.prompt_capabilities().image
90 {
91 let version_output = util::command::new_smol_command(&command.path)
92 .args(command.args.iter())
93 .arg("--version")
94 .kill_on_drop(true)
95 .output()
96 .await;
97 let current_version =
98 String::from_utf8(version_output?.stdout)?.trim().to_owned();
99
100 log::error!("connected to gemini, but missing prompt_capabilities.image (version is {current_version})");
101 return Err(LoadError::Unsupported {
102 current_version: current_version.into(),
103 command: (command.path.to_string_lossy().to_string() + " " + &command.args.join(" ")).into(),
104 minimum_version: Self::MINIMUM_VERSION.into(),
105 }
106 .into());
107 }
108 }
109 Err(e) => {
110 let version_fut = util::command::new_smol_command(&command.path)
111 .args(command.args.iter())
112 .arg("--version")
113 .kill_on_drop(true)
114 .output();
115
116 let help_fut = util::command::new_smol_command(&command.path)
117 .args(command.args.iter())
118 .arg("--help")
119 .kill_on_drop(true)
120 .output();
121
122 let (version_output, help_output) =
123 futures::future::join(version_fut, help_fut).await;
124 let Some(version_output) = version_output.ok().and_then(|output| String::from_utf8(output.stdout).ok()) else {
125 return result;
126 };
127 let Some((help_stdout, help_stderr)) = help_output.ok().and_then(|output| String::from_utf8(output.stdout).ok().zip(String::from_utf8(output.stderr).ok())) else {
128 return result;
129 };
130
131 let current_version = version_output.trim().to_string();
132 let supported = help_stdout.contains(ACP_ARG) || current_version.parse::<semver::Version>().is_ok_and(|version| version >= Self::MINIMUM_VERSION.parse::<semver::Version>().unwrap());
133
134 log::error!("failed to create ACP connection to gemini (version is {current_version}, supported: {supported}): {e}");
135 log::debug!("gemini --help stdout: {help_stdout:?}");
136 log::debug!("gemini --help stderr: {help_stderr:?}");
137 if !supported {
138 return Err(LoadError::Unsupported {
139 current_version: current_version.into(),
140 command: (command.path.to_string_lossy().to_string() + " " + &command.args.join(" ")).into(),
141 minimum_version: Self::MINIMUM_VERSION.into(),
142 }
143 .into());
144 }
145 }
146 }
147 result
148 })
149 }
150
151 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
152 self
153 }
154}
155
156impl Gemini {
157 const PACKAGE_NAME: &str = "@google/gemini-cli";
158
159 const MINIMUM_VERSION: &str = "0.2.1";
160
161 const BINARY_NAME: &str = "gemini";
162}
163
164#[cfg(test)]
165pub(crate) mod tests {
166 use super::*;
167 use crate::AgentServerCommand;
168 use std::path::Path;
169
170 crate::common_e2e_tests!(async |_, _, _| Gemini, allow_option_id = "proceed_once");
171
172 pub fn local_command() -> AgentServerCommand {
173 let cli_path = Path::new(env!("CARGO_MANIFEST_DIR"))
174 .join("../../../gemini-cli/packages/cli")
175 .to_string_lossy()
176 .to_string();
177
178 AgentServerCommand {
179 path: "node".into(),
180 args: vec![cli_path],
181 env: None,
182 }
183 }
184}