Group some sections of our logs in github actions

src/bootstrap/bootstrap.py

@@ -722,11 +722,14 @@ def bootstrap_binary(self):
 
     def build_bootstrap(self, color, verbose_count):
         """Build bootstrap"""
-        print("Building bootstrap")
+        env = os.environ.copy()
+        if "GITHUB_ACTIONS" in env:
+            print("::group::Building bootstrap")
+        else:
+            print("Building bootstrap")
         build_dir = os.path.join(self.build_dir, "bootstrap")
         if self.clean and os.path.exists(build_dir):
             shutil.rmtree(build_dir)
-        env = os.environ.copy()
         # `CARGO_BUILD_TARGET` breaks bootstrap build.
         # See also: <https://github.com/rust-lang/rust/issues/70208>.
         if "CARGO_BUILD_TARGET" in env:
@@ -798,6 +801,9 @@ def build_bootstrap(self, color, verbose_count):
         # Run this from the source directory so cargo finds .cargo/config
         run(args, env=env, verbose=self.verbose, cwd=self.rust_root)
 
+        if "GITHUB_ACTIONS" in env:
+            print("::endgroup::")
+
     def build_triple(self):
         """Build triple as in LLVM
 

src/bootstrap/check.rs

@@ -105,15 +105,7 @@ impl Step for Std {
             cargo.arg("--lib");
         }
 
-        let msg = if compiler.host == target {
-            format!("Checking stage{} library artifacts ({target})", builder.top_stage)
-        } else {
-            format!(
-                "Checking stage{} library artifacts ({} -> {})",
-                builder.top_stage, &compiler.host, target
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_check("library artifacts", target);
         run_cargo(
             builder,
             cargo,
@@ -167,18 +159,7 @@ impl Step for Std {
             cargo.arg("-p").arg(krate.name);
         }
 
-        let msg = if compiler.host == target {
-            format!(
-                "Checking stage{} library test/bench/example targets ({target})",
-                builder.top_stage
-            )
-        } else {
-            format!(
-                "Checking stage{} library test/bench/example targets ({} -> {})",
-                builder.top_stage, &compiler.host, target
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_check("library test/bench/example targets", target);
         run_cargo(
             builder,
             cargo,
@@ -252,15 +233,7 @@ impl Step for Rustc {
             cargo.arg("-p").arg(krate.name);
         }
 
-        let msg = if compiler.host == target {
-            format!("Checking stage{} compiler artifacts ({target})", builder.top_stage)
-        } else {
-            format!(
-                "Checking stage{} compiler artifacts ({} -> {})",
-                builder.top_stage, &compiler.host, target
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_check("compiler artifacts", target);
         run_cargo(
             builder,
             cargo,
@@ -317,15 +290,7 @@ impl Step for CodegenBackend {
             .arg(builder.src.join(format!("compiler/rustc_codegen_{}/Cargo.toml", backend)));
         rustc_cargo_env(builder, &mut cargo, target, compiler.stage);
 
-        let msg = if compiler.host == target {
-            format!("Checking stage{} {} artifacts ({target})", builder.top_stage, backend)
-        } else {
-            format!(
-                "Checking stage{} {} library ({} -> {})",
-                builder.top_stage, backend, &compiler.host.triple, target.triple
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_check(&backend, target);
 
         run_cargo(
             builder,
@@ -385,15 +350,7 @@ impl Step for RustAnalyzer {
             cargo.arg("--benches");
         }
 
-        let msg = if compiler.host == target {
-            format!("Checking stage{} {} artifacts ({target})", compiler.stage, "rust-analyzer")
-        } else {
-            format!(
-                "Checking stage{} {} artifacts ({} -> {})",
-                compiler.stage, "rust-analyzer", &compiler.host.triple, target.triple
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_check("rust-analyzer artifacts", target);
         run_cargo(
             builder,
             cargo,
@@ -460,18 +417,7 @@ macro_rules! tool_check_step {
                 // NOTE: this doesn't enable lints for any other tools unless they explicitly add `#![warn(rustc::internal)]`
                 // See https://github.com/rust-lang/rust/pull/80573#issuecomment-754010776
                 cargo.rustflag("-Zunstable-options");
-                let msg = if compiler.host == target {
-                    format!("Checking stage{} {} artifacts ({target})", builder.top_stage, stringify!($name).to_lowercase())
-                } else {
-                    format!(
-                        "Checking stage{} {} artifacts ({} -> {})",
-                        builder.top_stage,
-                        stringify!($name).to_lowercase(),
-                        &compiler.host.triple,
-                        target.triple
-                    )
-                };
-                builder.info(&msg);
+                let _guard = builder.msg_check(&concat!(stringify!($name), " artifacts").to_lowercase(), target);
                 run_cargo(
                     builder,
                     cargo,

src/bootstrap/compile.rs

@@ -143,23 +143,13 @@ impl Step for Std {
             cargo.arg("-p").arg(krate);
         }
 
-        let msg = if compiler.host == target {
-            format!(
-                "Building{} stage{} library artifacts ({}) ",
-                crate_description(&self.crates),
-                compiler.stage,
-                compiler.host
-            )
-        } else {
-            format!(
-                "Building{} stage{} library artifacts ({} -> {})",
-                crate_description(&self.crates),
-                compiler.stage,
-                compiler.host,
-                target,
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg(
+            Kind::Build,
+            compiler.stage,
+            format_args!("library artifacts{}", crate_description(&self.crates)),
+            compiler.host,
+            target,
+        );
         run_cargo(
             builder,
             cargo,
@@ -790,24 +780,13 @@ impl Step for Rustc {
             cargo.arg("-p").arg(krate);
         }
 
-        let msg = if compiler.host == target {
-            format!(
-                "Building{} compiler artifacts (stage{} -> stage{})",
-                crate_description(&self.crates),
-                compiler.stage,
-                compiler.stage + 1
-            )
-        } else {
-            format!(
-                "Building{} compiler artifacts (stage{}:{} -> stage{}:{})",
-                crate_description(&self.crates),
-                compiler.stage,
-                compiler.host,
-                compiler.stage + 1,
-                target,
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_sysroot_tool(
+            Kind::Build,
+            compiler.stage,
+            format_args!("compiler artifacts{}", crate_description(&self.crates)),
+            compiler.host,
+            target,
+        );
         run_cargo(
             builder,
             cargo,
@@ -1114,15 +1093,7 @@ impl Step for CodegenBackend {
 
         let tmp_stamp = out_dir.join(".tmp.stamp");
 
-        let msg = if compiler.host == target {
-            format!("Building stage{} codegen backend {}", compiler.stage, backend)
-        } else {
-            format!(
-                "Building stage{} codegen backend {} ({} -> {})",
-                compiler.stage, backend, compiler.host, target
-            )
-        };
-        builder.info(&msg);
+        let _guard = builder.msg_build(compiler, format_args!("codegen backend {backend}"), target);
         let files = run_cargo(builder, cargo, vec![], &tmp_stamp, vec![], false, false);
         if builder.config.dry_run() {
             return;

src/bootstrap/install.rs

@@ -12,7 +12,7 @@ use crate::util::t;
 
 use crate::dist;
 use crate::tarball::GeneratedTarball;
-use crate::Compiler;
+use crate::{Compiler, Kind};
 
 use crate::builder::{Builder, RunConfig, ShouldRun, Step};
 use crate::config::{Config, TargetSelection};
@@ -52,7 +52,7 @@ fn install_sh(
     host: Option<TargetSelection>,
     tarball: &GeneratedTarball,
 ) {
-    builder.info(&format!("Install {} stage{} ({:?})", package, stage, host));
+    let _guard = builder.msg(Kind::Install, stage, package, host, host);
 
     let prefix = default_path(&builder.config.prefix, "/usr/local");
     let sysconfdir = prefix.join(default_path(&builder.config.sysconfdir, "/etc"));

src/bootstrap/lib.rs

@@ -19,13 +19,14 @@
 use std::cell::{Cell, RefCell};
 use std::collections::{HashMap, HashSet};
 use std::env;
+use std::fmt::Display;
 use std::fs::{self, File};
 use std::io;
 use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};
 use std::str;
 
-use build_helper::ci::CiEnv;
+use build_helper::ci::{gha, CiEnv};
 use channel::GitInfo;
 use config::{DryRun, Target};
 use filetime::FileTime;
@@ -993,6 +994,85 @@ impl Build {
         }
     }
 
+    fn msg_check(
+        &self,
+        what: impl Display,
+        target: impl Into<Option<TargetSelection>>,
+    ) -> Option<gha::Group> {
+        self.msg(Kind::Check, self.config.stage, what, self.config.build, target)
+    }
+
+    fn msg_build(
+        &self,
+        compiler: Compiler,
+        what: impl Display,
+        target: impl Into<Option<TargetSelection>>,
+    ) -> Option<gha::Group> {
+        self.msg(Kind::Build, compiler.stage, what, compiler.host, target)
+    }
+
+    /// Return a `Group` guard for a [`Step`] that is built for each `--stage`.
+    fn msg(
+        &self,
+        action: impl Into<Kind>,
+        stage: u32,
+        what: impl Display,
+        host: impl Into<Option<TargetSelection>>,
+        target: impl Into<Option<TargetSelection>>,
+    ) -> Option<gha::Group> {
+        let action = action.into();
+        let msg = |fmt| format!("{action:?}ing stage{stage} {what}{fmt}");
+        let msg = if let Some(target) = target.into() {
+            let host = host.into().unwrap();
+            if host == target {
+                msg(format_args!(" ({target})"))
+            } else {
+                msg(format_args!(" ({host} -> {target})"))
+            }
+        } else {
+            msg(format_args!(""))
+        };
+        self.group(&msg)
+    }
+
+    /// Return a `Group` guard for a [`Step`] that is only built once and isn't affected by `--stage`.
+    fn msg_unstaged(
+        &self,
+        action: impl Into<Kind>,
+        what: impl Display,
+        target: TargetSelection,
+    ) -> Option<gha::Group> {
+        let action = action.into();
+        let msg = format!("{action:?}ing {what} for {target}");
+        self.group(&msg)
+    }
+
+    fn msg_sysroot_tool(
+        &self,
+        action: impl Into<Kind>,
+        stage: u32,
+        what: impl Display,
+        host: TargetSelection,
+        target: TargetSelection,
+    ) -> Option<gha::Group> {
+        let action = action.into();
+        let msg = |fmt| format!("{action:?}ing {what} {fmt}");
+        let msg = if host == target {
+            msg(format_args!("(stage{stage} -> stage{}, {target})", stage + 1))
+        } else {
+            msg(format_args!("(stage{stage}:{host} -> stage{}:{target})", stage + 1))
+        };
+        self.group(&msg)
+    }
+
+    fn group(&self, msg: &str) -> Option<gha::Group> {
+        self.info(&msg);
+        match self.config.dry_run {
+            DryRun::SelfCheck => None,
+            DryRun::Disabled | DryRun::UserSelected => Some(gha::group(&msg)),
+        }
+    }
+
     /// Returns the number of parallel jobs that have been configured for this
     /// build.
     fn jobs(&self) -> u32 {

src/bootstrap/llvm.rs

@@ -21,7 +21,7 @@ use crate::channel;
 use crate::config::{Config, TargetSelection};
 use crate::util::get_clang_cl_resource_dir;
 use crate::util::{self, exe, output, t, up_to_date};
-use crate::{CLang, GitRepo};
+use crate::{CLang, GitRepo, Kind};
 
 use build_helper::ci::CiEnv;
 
@@ -271,7 +271,7 @@ impl Step for Llvm {
             panic!("shared linking to LLVM is not currently supported on {}", target.triple);
         }
 
-        builder.info(&format!("Building LLVM for {}", target));
+        let _guard = builder.msg_unstaged(Kind::Build, "LLVM", target);
         t!(stamp.remove());
         let _time = util::timeit(&builder);
         t!(fs::create_dir_all(&out_dir));
@@ -813,7 +813,7 @@ impl Step for Lld {
             return out_dir;
         }
 
-        builder.info(&format!("Building LLD for {}", target));
+        let _guard = builder.msg_unstaged(Kind::Build, "LLD", target);
         let _time = util::timeit(&builder);
         t!(fs::create_dir_all(&out_dir));
 
@@ -911,7 +911,7 @@ impl Step for Sanitizers {
             return runtimes;
         }
 
-        builder.info(&format!("Building sanitizers for {}", self.target));
+        let _guard = builder.msg_unstaged(Kind::Build, "sanitizers", self.target);
         t!(stamp.remove());
         let _time = util::timeit(&builder);
 
@@ -1103,7 +1103,7 @@ impl Step for CrtBeginEnd {
             return out_dir;
         }
 
-        builder.info("Building crtbegin.o and crtend.o");
+        let _guard = builder.msg_unstaged(Kind::Build, "crtbegin.o and crtend.o", self.target);
         t!(fs::create_dir_all(&out_dir));
 
         let mut cfg = cc::Build::new();
@@ -1168,7 +1168,7 @@ impl Step for Libunwind {
             return out_dir;
         }
 
-        builder.info(&format!("Building libunwind.a for {}", self.target.triple));
+        let _guard = builder.msg_unstaged(Kind::Build, "libunwind.a", self.target);
         t!(fs::create_dir_all(&out_dir));
 
         let mut cc_cfg = cc::Build::new();