1 files changed, 47 insertions, 0 deletions
diff --git a/mingling_ci/src/task/cmd_build_check.rs b/mingling_ci/src/task/cmd_build_check.rs
new file mode 100644
index 0000000..f67fe2e
--- /dev/null
+++ b/mingling_ci/src/task/cmd_build_check.rs
@@ -0,0 +1,47 @@
+use std::ffi::OsString;
+use std::path::Path;
+
+use mingling::{
+    Grouped, Routable,
+    macros::{buffer, command, renderer},
+    res::ResExitCode,
+};
+
+use crate::Next;
+use crate::res::Manifests;
+use crate::task::run::{location, run_parallel_checks};
+
+#[command(node = "build-check")]
+pub async fn build_check(manifests: &Manifests) -> Next {
+    let tasks = manifests
+        .package_dirs
+        .iter()
+        .map(|(name, path)| (name.clone(), location(path), build_args(path)))
+        .collect();
+    let fail_count = run_parallel_checks("Build-Check", "Building", tasks).await;
+    ResultBuildCheck { fail_count }.to_chain()
+}
+
+/// `cargo build --manifest-path <path>`
+fn build_args(path: &Path) -> Vec<OsString> {
+    vec![
+        "cargo".into(),
+        "build".into(),
+        "--manifest-path".into(),
+        path.as_os_str().to_os_string(),
+    ]
+}
+
+/// Number of packages that failed to build.
+#[derive(Grouped)]
+pub struct ResultBuildCheck {
+    pub fail_count: usize,
+}
+
+/// Silently sets a non-zero exit code when any build failed.
+#[renderer(buffer)]
+pub fn render_build_check(r: ResultBuildCheck, exit_code: &mut ResExitCode) {
+    if r.fail_count > 0 {
+        exit_code.exit_code = 1;
+    }
+}