fix: add noarch config (#29)

Cargo.toml

@@ -20,7 +20,8 @@ parking_lot = "0.12.3"
 reqwest = "0.12.5"
 reqwest-middleware = "0.4.0"
 serde = "1.0"
-serde_yaml = "0.9.33"
+serde_yaml = "0.9"
+serde_json = "1.0"
 tempfile = "3.10.1"
 tokio = "1.37.0"
 tracing-subscriber = "0.3.19"

crates/pixi-build/Cargo.toml

@@ -23,6 +23,7 @@ reqwest = { workspace = true }
 reqwest-middleware = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 serde_yaml = { workspace = true }
+serde_json = { workspace = true }
 tempfile = { workspace = true }
 tokio = { workspace = true, features = ["macros"] }
 tracing-subscriber = { workspace = true }

crates/pixi-build/src/bin/pixi-build-cmake/build_script.j2

@@ -1,7 +1,7 @@
 ninja --version
 cmake --version
 
-# Windows
+{# Windows #}
 {% if build_platform == "windows" -%}
 if not exist %SRC_DIR%\..\build\CMakeCache.txt (
     cmake %CMAKE_ARGS% ^
@@ -16,7 +16,7 @@ if not exist %SRC_DIR%\..\build\CMakeCache.txt (
 cmake --build %SRC_DIR%\..\build --target install
 @if errorlevel 1 exit 1
 
-# Non-Windows
+{# Non Windows #}
 {% else -%}
 if [ ! -f "$SRC_DIR/../build/CMakeCache.txt" ]; then
     cmake $CMAKE_ARGS \

crates/pixi-build/src/bin/pixi-build-cmake/build_script.rs

@@ -21,6 +21,6 @@ impl BuildScriptContext {
             .template_from_str(include_str!("build_script.j2"))
             .unwrap();
         let rendered = template.render(self).unwrap().to_string();
-        rendered.split("\n").map(|s| s.to_string()).collect()
+        rendered.lines().map(|s| s.to_string()).collect()
     }
 }

crates/pixi-build/src/bin/pixi-build-cmake/cmake.rs

@@ -8,6 +8,7 @@ use std::{
 
 use chrono::Utc;
 use itertools::Itertools;
+use jsonrpc_core::serde_json;
 use miette::{Context, IntoDiagnostic};
 use pixi_build_backend::{
     dependencies::extract_dependencies,
@@ -48,12 +49,14 @@ use reqwest::Url;
 
 use crate::{
     build_script::{BuildPlatform, BuildScriptContext},
+    config::CMakeBackendConfig,
     stub::default_compiler,
 };
 
 pub struct CMakeBuildBackend {
     logging_output_handler: LoggingOutputHandler,
     manifest: Manifest,
+    _config: CMakeBackendConfig,
     cache_dir: Option<PathBuf>,
 }
 
@@ -72,6 +75,7 @@ impl CMakeBuildBackend {
     /// at the given path.
     pub fn new(
         manifest_path: &Path,
+        config: CMakeBackendConfig,
         logging_output_handler: LoggingOutputHandler,
         cache_dir: Option<PathBuf>,
     ) -> miette::Result<Self> {
@@ -82,6 +86,7 @@ impl CMakeBuildBackend {
 
         Ok(Self {
             manifest,
+            _config: config,
             logging_output_handler,
             cache_dir,
         })
@@ -556,8 +561,17 @@ impl ProtocolFactory for CMakeBuildBackendFactory {
         &self,
         params: InitializeParams,
     ) -> miette::Result<(Self::Protocol, InitializeResult)> {
+        let config = if params.configuration.is_null() {
+            CMakeBackendConfig::default()
+        } else {
+            serde_json::from_value(params.configuration)
+                .into_diagnostic()
+                .context("failed to parse backend configuration")?
+        };
+
         let instance = CMakeBuildBackend::new(
             params.manifest_path.as_path(),
+            config,
             self.logging_output_handler.clone(),
             params.cache_directory,
         )?;
@@ -569,14 +583,14 @@ impl ProtocolFactory for CMakeBuildBackendFactory {
 
 #[cfg(test)]
 mod tests {
+    use std::path::PathBuf;
 
     use pixi_manifest::Manifest;
     use rattler_build::console_utils::LoggingOutputHandler;
     use rattler_conda_types::{ChannelConfig, Platform};
-    use std::path::PathBuf;
     use tempfile::tempdir;
 
-    use crate::cmake::CMakeBuildBackend;
+    use crate::{cmake::CMakeBuildBackend, config::CMakeBackendConfig};
 
     #[tokio::test]
     async fn test_setting_host_and_build_requirements() {
@@ -614,8 +628,13 @@ mod tests {
 
         let manifest = Manifest::from_str(&tmp_manifest, package_with_host_and_build_deps).unwrap();
 
-        let cmake_backend =
-            CMakeBuildBackend::new(&manifest.path, LoggingOutputHandler::default(), None).unwrap();
+        let cmake_backend = CMakeBuildBackend::new(
+            &manifest.path,
+            CMakeBackendConfig::default(),
+            LoggingOutputHandler::default(),
+            None,
+        )
+        .unwrap();
 
         let channel_config = ChannelConfig::default_with_root_dir(PathBuf::new());
 

crates/pixi-build/src/bin/pixi-build-cmake/config.rs

@@ -0,0 +1,5 @@
+use serde::Deserialize;
+
+#[derive(Debug, Default, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct CMakeBackendConfig {}

crates/pixi-build/src/bin/pixi-build-cmake/main.rs

@@ -1,5 +1,6 @@
 mod build_script;
 mod cmake;
+mod config;
 mod stub;
 
 use cmake::CMakeBuildBackend;

crates/pixi-build/src/bin/pixi-build-python/build_script.rs

@@ -38,6 +38,6 @@ impl BuildScriptContext {
             .template_from_str(include_str!("build_script.j2"))
             .unwrap();
         let rendered = template.render(self).unwrap().to_string();
-        rendered.split("\n").map(|s| s.to_string()).collect()
+        rendered.lines().map(|s| s.to_string()).collect()
     }
 }

crates/pixi-build/src/bin/pixi-build-python/config.rs

@@ -0,0 +1,19 @@
+use std::convert::identity;
+
+use serde::Deserialize;
+
+#[derive(Debug, Default, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct PythonBackendConfig {
+    /// True if the package should be build as a python noarch package. Defaults
+    /// to `true`.
+    #[serde(default)]
+    pub noarch: Option<bool>,
+}
+
+impl PythonBackendConfig {
+    /// Whether to build a noarch package or a platform-specific package.
+    pub fn noarch(&self) -> bool {
+        self.noarch.map_or(true, identity)
+    }
+}

crates/pixi-build/src/bin/pixi-build-python/main.rs

@@ -1,4 +1,5 @@
 mod build_script;
+mod config;
 mod python;
 
 use python::PythonBuildBackend;