Fix --in-memory and make --data-dir and --in-memory mutually exclusive

crates/cli/Cargo.toml

@@ -86,6 +86,11 @@ notify.workspace = true
 
 [dev-dependencies]
 pretty_assertions.workspace = true
+fs_extra.workspace = true
+assert_cmd = "2"
+predicates = "3"
+portpicker = "0.1"
+reqwest = { version = "0.12", features = ["blocking", "json"] }
 
 [target.'cfg(not(target_env = "msvc"))'.dependencies]
 tikv-jemallocator = { workspace = true }

crates/cli/src/subcommands/build.rs

@@ -22,6 +22,13 @@ pub fn cli() -> clap::Command {
                 .default_value("src")
                 .help("The directory to lint for nonfunctional print statements. If set to the empty string, skips linting.")
         )
+        .arg(
+            Arg::new("features")
+                .long("features")
+                .value_parser(clap::value_parser!(OsString))
+                .required(false)
+                .help("Additional features to pass to the build process (e.g. `--features feature1,feature2` for Rust modules).")
+        )
         .arg(
             Arg::new("debug")
                 .long("debug")
@@ -33,6 +40,7 @@ pub fn cli() -> clap::Command {
 
 pub async fn exec(_config: Config, args: &ArgMatches) -> Result<(PathBuf, &'static str), anyhow::Error> {
     let project_path = args.get_one::<PathBuf>("project_path").unwrap();
+    let features = args.get_one::<OsString>("features");
     let lint_dir = args.get_one::<OsString>("lint_dir").unwrap();
     let lint_dir = if lint_dir.is_empty() {
         None
@@ -56,7 +64,7 @@ pub async fn exec(_config: Config, args: &ArgMatches) -> Result<(PathBuf, &'stat
         ));
     }
 
-    let result = crate::tasks::build(project_path, lint_dir.as_deref(), build_debug)?;
+    let result = crate::tasks::build(project_path, lint_dir.as_deref(), build_debug, features)?;
     println!("Build finished successfully.");
 
     Ok(result)

crates/cli/src/subcommands/dev.rs

@@ -388,7 +388,7 @@ async fn generate_build_and_publish(
 
     println!("{}", "Building...".cyan());
     let (_path_to_program, _host_type) =
-        tasks::build(spacetimedb_dir, Some(Path::new("src")), false).context("Failed to build project")?;
+        tasks::build(spacetimedb_dir, Some(Path::new("src")), false, None).context("Failed to build project")?;
     println!("{}", "Build complete!".green());
 
     println!("{}", "Generating module bindings...".cyan());
@@ -413,15 +413,14 @@ async fn generate_build_and_publish(
         ClearMode::OnConflict => "on-conflict",
     };
     let mut publish_args = vec![
-        "publish",
-        database_name,
-        "--project-path",
-        project_path_str,
-        "--yes",
-        "--delete-data",
-        clear_flag,
+        "publish".to_string(),
+        database_name.to_string(),
+        "--project-path".to_string(),
+        project_path_str.to_string(),
+        "--yes".to_string(),
+        format!("--delete-data={}", clear_flag),
     ];
-    publish_args.extend_from_slice(&["--server", server]);
+    publish_args.extend_from_slice(&["--server".to_string(), server.to_string()]);
 
     let publish_cmd = publish::cli();
     let publish_matches = publish_cmd

crates/cli/src/subcommands/publish.rs

@@ -67,6 +67,7 @@ pub fn cli() -> clap::Command {
         .arg(
             Arg::new("break_clients")
                 .long("break-clients")
+                .alias("yes-break-clients")
                 .action(SetTrue)
                 .help("Allow breaking changes when publishing to an existing database identity. This will force publish even if it will break existing clients, but will NOT force publish if it would cause deletion of any data in the database. See --yes and --delete-data for details.")
         )
@@ -175,46 +176,26 @@ pub async fn exec(mut config: Config, args: &ArgMatches) -> Result<(), anyhow::E
         let domain = percent_encoding::percent_encode(name_or_identity.as_bytes(), encode_set);
         let mut builder = client.put(format!("{database_host}/v1/database/{domain}"));
 
-        if clear_database != ClearMode::Always {
-            builder = apply_pre_publish_if_needed(
-                builder,
-                &client,
-                &database_host,
-                &domain.to_string(),
-                host_type,
-                &program_bytes,
-                &auth_header,
-                clear_database,
-                force_break_clients,
-                force,
-            )
-            .await?;
-        }
+        builder = apply_pre_publish_if_needed(
+            builder,
+            &client,
+            &database_host,
+            name_or_identity,
+            &domain.to_string(),
+            host_type,
+            &program_bytes,
+            &auth_header,
+            clear_database,
+            force_break_clients,
+            force,
+        )
+        .await?;
 
         builder
     } else {
         client.post(format!("{database_host}/v1/database"))
     };
 
-    if clear_database == ClearMode::Always || clear_database == ClearMode::OnConflict {
-        // Note: `name_or_identity` should be set, because it is `required` in the CLI arg config.
-        println!(
-            "This will DESTROY the current {} module, and ALL corresponding data.",
-            name_or_identity.unwrap()
-        );
-        if !y_or_n(
-            force,
-            format!(
-                "Are you sure you want to proceed? [deleting {}]",
-                name_or_identity.unwrap()
-            )
-            .as_str(),
-        )? {
-            println!("Aborting");
-            return Ok(());
-        }
-        builder = builder.query(&[("clear", true)]);
-    }
     if let Some(n) = num_replicas {
         eprintln!("WARNING: Use of unstable option `--num-replicas`.\n");
         builder = builder.query(&[("num_replicas", *n)]);
@@ -334,6 +315,7 @@ async fn apply_pre_publish_if_needed(
     mut builder: reqwest::RequestBuilder,
     client: &reqwest::Client,
     base_url: &str,
+    name_or_identity: &str,
     domain: &String,
     host_type: &str,
     program_bytes: &[u8],
@@ -367,11 +349,35 @@ async fn apply_pre_publish_if_needed(
                     println!("{}", manual.reason);
                     println!("Proceeding with database clear due to --delete-data=always.");
                 }
+                println!(
+                    "This will DESTROY the current {} module, and ALL corresponding data.",
+                    name_or_identity
+                );
+                if !y_or_n(
+                    force,
+                    format!("Are you sure you want to proceed? [deleting {}]", name_or_identity).as_str(),
+                )? {
+                    anyhow::bail!("Aborting");
+                }
+                builder = builder.query(&[("clear", true)]);
             }
             PrePublishResult::AutoMigrate(auto) => {
+                if clear_database == ClearMode::Always {
+                    println!("Auto-migration, does NOT require clearing the database, but proceeding with database clear due to --delete-data=always.");
+                    println!(
+                        "This will DESTROY the current {} module, and ALL corresponding data.",
+                        name_or_identity
+                    );
+                    if !y_or_n(
+                        force,
+                        format!("Are you sure you want to proceed? [deleting {}]", name_or_identity).as_str(),
+                    )? {
+                        anyhow::bail!("Aborting");
+                    }
+                    builder = builder.query(&[("clear", true)]);
+                    return Ok(builder);
+                }
                 println!("{}", auto.migrate_plan);
-                // We only arrive here if you have not specified ClearMode::Always AND there was no
-                // conflict that required manual migration.
                 if auto.break_clients
                     && !y_or_n(
                         force_break_clients || force,

crates/cli/src/tasks/mod.rs

@@ -13,10 +13,14 @@ pub fn build(
     project_path: &Path,
     lint_dir: Option<&Path>,
     build_debug: bool,
+    features: Option<&std::ffi::OsString>,
 ) -> anyhow::Result<(PathBuf, &'static str)> {
     let lang = util::detect_module_language(project_path)?;
+    if features.is_some() && lang != ModuleLanguage::Rust {
+        anyhow::bail!("The --features option is only supported for Rust modules.");
+    }
     let output_path = match lang {
-        ModuleLanguage::Rust => build_rust(project_path, lint_dir, build_debug),
+        ModuleLanguage::Rust => build_rust(project_path, features, lint_dir, build_debug),
         ModuleLanguage::Csharp => build_csharp(project_path, build_debug),
         ModuleLanguage::Javascript => build_javascript(project_path, build_debug),
     }?;

crates/cli/src/tasks/rust.rs

@@ -23,7 +23,12 @@ fn cargo_cmd(subcommand: &str, build_debug: bool, args: &[&str]) -> duct::Expres
     )
 }
 
-pub(crate) fn build_rust(project_path: &Path, lint_dir: Option<&Path>, build_debug: bool) -> anyhow::Result<PathBuf> {
+pub(crate) fn build_rust(
+    project_path: &Path,
+    features: Option<&std::ffi::OsString>,
+    lint_dir: Option<&Path>,
+    build_debug: bool,
+) -> anyhow::Result<PathBuf> {
     // Make sure that we have the wasm target installed
     if !has_wasm32_target() {
         if has_rust_up() {
@@ -75,9 +80,17 @@ pub(crate) fn build_rust(project_path: &Path, lint_dir: Option<&Path>, build_deb
         );
     }
 
-    let reader = cargo_cmd("build", build_debug, &["--message-format=json-render-diagnostics"])
-        .dir(project_path)
-        .reader()?;
+    let mut args = if let Some(features) = features {
+        vec![format!("--features={}", features.to_string_lossy())]
+    } else {
+        vec![]
+    };
+    args.push("--message-format=json-render-diagnostics".to_string());
+
+    // Convert Vec<String> to Vec<&str>
+    let args_str: Vec<&str> = args.iter().map(|s| s.as_str()).collect();
+
+    let reader = cargo_cmd("build", build_debug, &args_str).dir(project_path).reader()?;
 
     let mut artifact = None;
     for message in Message::parse_stream(io::BufReader::new(reader)) {