Add uv build --no-build-logs to silence the build backend logs (#7675)

Extends #7674

The build backend can be pretty verbose, it seems nice to be able to
turn that off?

Author: zanieb

crates/uv-cli/src/lib.rs

@@ -2029,6 +2029,13 @@ pub struct BuildArgs {
     #[arg(long)]
     pub wheel: bool,
 
+    #[arg(long, overrides_with("no_build_logs"), hide = true)]
+    pub build_logs: bool,
+
+    /// Hide logs from the build backend.
+    #[arg(long, overrides_with("build_logs"), hide = true)]
+    pub no_build_logs: bool,
+
     /// Constrain build dependencies using the given requirements files when building
     /// distributions.
     ///

crates/uv/src/commands/build.rs

@@ -38,6 +38,7 @@ pub(crate) async fn build(
     output_dir: Option<PathBuf>,
     sdist: bool,
     wheel: bool,
+    build_logs: bool,
     build_constraints: Vec<RequirementsSource>,
     hash_checking: Option<HashCheckingMode>,
     python: Option<String>,
@@ -58,6 +59,7 @@ pub(crate) async fn build(
         output_dir.as_deref(),
         sdist,
         wheel,
+        build_logs,
         &build_constraints,
         hash_checking,
         python.as_deref(),
@@ -109,6 +111,7 @@ async fn build_impl(
     output_dir: Option<&Path>,
     sdist: bool,
     wheel: bool,
+    build_logs: bool,
     build_constraints: &[RequirementsSource],
     hash_checking: Option<HashCheckingMode>,
     python_request: Option<&str>,
@@ -369,7 +372,13 @@ async fn build_impl(
     let dist = None;
 
     let build_output = match printer {
-        Printer::Default | Printer::NoProgress | Printer::Verbose => BuildOutput::Stderr,
+        Printer::Default | Printer::NoProgress | Printer::Verbose => {
+            if build_logs {
+                BuildOutput::Stderr
+            } else {
+                BuildOutput::Quiet
+            }
+        }
         Printer::Quiet => BuildOutput::Quiet,
     };
 

crates/uv/src/lib.rs

@@ -686,6 +686,7 @@ async fn run(cli: Cli) -> Result<ExitStatus> {
                 args.out_dir,
                 args.sdist,
                 args.wheel,
+                args.build_logs,
                 build_constraints,
                 args.hash_checking,
                 args.python,

crates/uv/src/settings.rs

@@ -1674,6 +1674,7 @@ pub(crate) struct BuildSettings {
     pub(crate) out_dir: Option<PathBuf>,
     pub(crate) sdist: bool,
     pub(crate) wheel: bool,
+    pub(crate) build_logs: bool,
     pub(crate) build_constraint: Vec<PathBuf>,
     pub(crate) hash_checking: Option<HashCheckingMode>,
     pub(crate) python: Option<String>,
@@ -1695,6 +1696,8 @@ impl BuildSettings {
             no_require_hashes,
             verify_hashes,
             no_verify_hashes,
+            build_logs,
+            no_build_logs,
             python,
             build,
             refresh,
@@ -1707,6 +1710,7 @@ impl BuildSettings {
             out_dir,
             sdist,
             wheel,
+            build_logs: flag(build_logs, no_build_logs).unwrap_or(true),
             build_constraint: build_constraint
                 .into_iter()
                 .filter_map(Maybe::into_option)

crates/uv/tests/build.rs

@@ -1521,3 +1521,41 @@ fn build_quiet() -> Result<()> {
 
     Ok(())
 }
+
+#[test]
+fn build_no_build_logs() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let project = context.temp_dir.child("project");
+
+    let pyproject_toml = project.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        requires-python = ">=3.12"
+        dependencies = ["anyio==3.7.0"]
+
+        [build-system]
+        requires = ["setuptools>=42"]
+        build-backend = "setuptools.build_meta"
+        "#,
+    )?;
+
+    project.child("src").child("__init__.py").touch()?;
+    project.child("README").touch()?;
+
+    uv_snapshot!(&context.filters(), context.build().arg("project").arg("--no-build-logs"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Building source distribution...
+    Building wheel from source distribution...
+    Successfully built project/dist/project-0.1.0.tar.gz and project/dist/project-0.1.0-py3-none-any.whl
+    "###);
+
+    Ok(())
+}