refactor(cli): use temp file to communicate IPC websocket address (#6219)

.changes/cli-refactor-ipc-mobile.md

@@ -0,0 +1,6 @@
+---
+"cli.rs": patch
+"cli.js": patch
+---
+
+Use temp file instead of environment variable to pass CLI IPC websocket address to the IDE.

tooling/cli/src/mobile/android.rs

@@ -161,7 +161,8 @@ pub fn with_config<T>(
     let tauri_config = get_tauri_config(None)?;
     let tauri_config_guard = tauri_config.lock().unwrap();
     let tauri_config_ = tauri_config_guard.as_ref().unwrap();
-    let cli_options = cli_options.unwrap_or_else(read_options);
+    let cli_options =
+      cli_options.unwrap_or_else(|| read_options(&tauri_config_.tauri.bundle.identifier));
     let (app, config, metadata) = get_config(None, tauri_config_, &cli_options);
     (app, config, metadata, cli_options)
   };

tooling/cli/src/mobile/android/build.rs

@@ -4,7 +4,7 @@ use super::{
 };
 use crate::{
   build::Options as BuildOptions,
-  helpers::flock,
+  helpers::{config::get as get_config, flock},
   interface::{AppSettings, Interface, Options as InterfaceOptions},
   mobile::{write_options, CliOptions},
   Result,
@@ -139,7 +139,17 @@ fn run_build(
     noise_level,
     vars: Default::default(),
   };
-  let _handle = write_options(cli_options, &mut env.base)?;
+  let _handle = write_options(
+    &get_config(options.config.as_deref())?
+      .lock()
+      .unwrap()
+      .as_ref()
+      .unwrap()
+      .tauri
+      .bundle
+      .identifier,
+    cli_options,
+  )?;
 
   options
     .features

tooling/cli/src/mobile/android/dev.rs

@@ -4,7 +4,7 @@ use super::{
 };
 use crate::{
   dev::Options as DevOptions,
-  helpers::flock,
+  helpers::{config::get as get_config, flock},
   interface::{AppSettings, Interface, MobileOptions, Options as InterfaceOptions},
   mobile::{write_options, CliOptions, DevChild, DevProcess},
   Result,
@@ -148,14 +148,23 @@ fn run_dev(
       no_watch: options.no_watch,
     },
     |options| {
-      let mut env = env.clone();
       let cli_options = CliOptions {
         features: options.features.clone(),
         args: options.args.clone(),
         noise_level,
         vars: Default::default(),
       };
-      let _handle = write_options(cli_options, &mut env.base)?;
+      let _handle = write_options(
+        &get_config(options.config.as_deref())?
+          .lock()
+          .unwrap()
+          .as_ref()
+          .unwrap()
+          .tauri
+          .bundle
+          .identifier,
+        cli_options,
+      )?;
 
       if open {
         open_and_wait(config, &env)

tooling/cli/src/mobile/ios.rs

@@ -149,7 +149,8 @@ fn with_config<T>(
     let tauri_config = get_tauri_config(None)?;
     let tauri_config_guard = tauri_config.lock().unwrap();
     let tauri_config_ = tauri_config_guard.as_ref().unwrap();
-    let cli_options = cli_options.unwrap_or_else(read_options);
+    let cli_options =
+      cli_options.unwrap_or_else(|| read_options(&tauri_config_.tauri.bundle.identifier));
     let (app, config, metadata) = get_config(None, tauri_config_, &cli_options);
     (app, config, metadata, cli_options)
   };

tooling/cli/src/mobile/ios/build.rs

@@ -4,7 +4,7 @@ use super::{
 };
 use crate::{
   build::Options as BuildOptions,
-  helpers::flock,
+  helpers::{config::get as get_config, flock},
   interface::{AppSettings, Interface, Options as InterfaceOptions},
   mobile::{write_options, CliOptions},
   Result,
@@ -122,7 +122,17 @@ fn run_build(
     noise_level,
     vars: Default::default(),
   };
-  let _handle = write_options(cli_options, env)?;
+  let _handle = write_options(
+    &get_config(options.config.as_deref())?
+      .lock()
+      .unwrap()
+      .as_ref()
+      .unwrap()
+      .tauri
+      .bundle
+      .identifier,
+    cli_options,
+  )?;
 
   options
     .features

tooling/cli/src/mobile/ios/dev.rs

@@ -4,7 +4,7 @@ use super::{
 };
 use crate::{
   dev::Options as DevOptions,
-  helpers::flock,
+  helpers::{config::get as get_config, flock},
   interface::{AppSettings, Interface, MobileOptions, Options as InterfaceOptions},
   mobile::{write_options, CliOptions, DevChild, DevProcess},
   Result,
@@ -156,14 +156,23 @@ fn run_dev(
       no_watch: options.no_watch,
     },
     |options| {
-      let mut env = env.clone();
       let cli_options = CliOptions {
         features: options.features.clone(),
         args: options.args.clone(),
         noise_level,
         vars: Default::default(),
       };
-      let _handle = write_options(cli_options, &mut env)?;
+      let _handle = write_options(
+        &get_config(options.config.as_deref())?
+          .lock()
+          .unwrap()
+          .as_ref()
+          .unwrap()
+          .tauri
+          .bundle
+          .identifier,
+        cli_options,
+      )?;
 
       if open {
         open_and_wait(config, &env)

tooling/cli/src/mobile/mod.rs

@@ -22,11 +22,10 @@ use shared_child::SharedChild;
 
 use std::{
   collections::HashMap,
-  env::set_var,
+  env::{set_var, temp_dir},
-  env::var,
   ffi::OsString,
   fmt::Write,
-  fs::{create_dir_all, remove_dir_all},
+  fs::{create_dir_all, read_to_string, remove_dir_all, write},
   net::SocketAddr,
   path::PathBuf,
   process::ExitStatus,
@@ -196,8 +195,8 @@ fn env() -> Result<Env, EnvError> {
 
 /// Writes CLI options to be used later on the Xcode and Android Studio build commands
 pub fn write_options(
+  identifier: &str,
   mut options: CliOptions,
-  env: &mut Env,
 ) -> crate::Result<(Runtime, ServerHandle)> {
   options.vars.extend(env_vars());
 
@@ -215,12 +214,15 @@ pub fn write_options(
   });
   let (handle, addr) = r?;
 
-  env.insert_env_var("TAURI_OPTIONS_SERVER_ADDR".into(), addr.to_string().into());
+  write(
+    temp_dir().join(format!("{identifier}-server-addr")),
+    addr.to_string(),
+  )?;
 
   Ok((runtime, handle))
 }
 
-fn read_options() -> CliOptions {
+fn read_options(identifier: &str) -> CliOptions {
   let runtime = tokio::runtime::Runtime::new().unwrap();
   let options = runtime
     .block_on(async move {
@@ -228,7 +230,8 @@ fn read_options() -> CliOptions {
         .build(
           format!(
             "ws://{}",
-            var("TAURI_OPTIONS_SERVER_ADDR").expect("missing addr environment variable")
+            read_to_string(temp_dir().join(format!("{identifier}-server-addr")))
+              .expect("missing addr file")
           )
           .parse()
           .unwrap(),