Add --verbose-run-make-subprocess-output flag to suppress verbose run-make output for passing tests

src/bootstrap/src/core/build_steps/test.rs

@@ -2334,6 +2334,10 @@ Please disable assertions with `rust.debug-assertions = false`.
             cmd.arg("--verbose");
         }
 
+        if !builder.config.cmd.verbose_run_make_subprocess_output() {
+            cmd.arg("--no-verbose-run-make-subprocess-output");
+        }
+
         if builder.config.rustc_debug_assertions {
             cmd.arg("--with-rustc-debug-assertions");
         }

src/bootstrap/src/core/config/flags.rs

@@ -422,6 +422,10 @@ pub enum Subcommand {
         #[arg(long)]
         /// don't capture stdout/stderr of tests
         no_capture: bool,
+        #[arg(long, default_value_t = true, action = clap::ArgAction::Set, default_missing_value = "true", num_args = 0..=1, require_equals = true)]
+        /// whether to show verbose subprocess output for run-make tests;
+        /// set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)
+        verbose_run_make_subprocess_output: bool,
         #[arg(long)]
         /// Use a different codegen backend when running tests.
         test_codegen_backend: Option<CodegenBackendKind>,
@@ -631,6 +635,15 @@ impl Subcommand {
         }
     }
 
+    pub fn verbose_run_make_subprocess_output(&self) -> bool {
+        match *self {
+            Subcommand::Test { verbose_run_make_subprocess_output, .. } => {
+                verbose_run_make_subprocess_output
+            }
+            _ => true,
+        }
+    }
+
     pub fn rustfix_coverage(&self) -> bool {
         match *self {
             Subcommand::Test { rustfix_coverage, .. } => rustfix_coverage,

src/bootstrap/src/utils/change_tracker.rs

@@ -621,4 +621,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[
         severity: ChangeSeverity::Info,
         summary: "`x.py` stopped accepting partial argument names. Use full names to avoid errors.",
     },
+    ChangeInfo {
+        change_id: 154587,
+        severity: ChangeSeverity::Info,
+        summary: "New `--verbose-run-make-subprocess-output` flag for `x.py test` (defaults to true). Pass `--verbose-run-make-subprocess-output=false` to suppress verbose subprocess output for passing run-make tests when using `--no-capture`.",
+    },
 ];

src/doc/rustc-dev-guide/src/tests/compiletest.md

@@ -460,6 +460,15 @@ However, revisions or building auxiliary via directives are not currently suppor
 `rmake.rs` and `run-make-support` may *not* use any nightly/unstable features,
 as they must be compilable by a stage 0 rustc that may be a beta or even stable rustc.
 
+By default, run-make tests print each subprocess command and its stdout/stderr.
+When running with `--no-capture` on `panic=abort` test suites (such as `cg_clif`),
+this can flood the terminal. Pass `--verbose-run-make-subprocess-output=false` to
+suppress this output for passing tests — failing tests always print regardless:
+
+```bash
+./x test tests/run-make --no-capture --verbose-run-make-subprocess-output=false
+```
+
 #### Quickly check if `rmake.rs` tests can be compiled
 
 You can quickly check if `rmake.rs` tests can be compiled without having to

src/etc/completions/x.fish

@@ -420,6 +420,7 @@ complete -c x -n "__fish_x_using_subcommand test" -l extra-checks -d 'comma-sepa
 complete -c x -n "__fish_x_using_subcommand test" -l compare-mode -d 'mode describing what file the actual ui output will be compared to' -r
 complete -c x -n "__fish_x_using_subcommand test" -l pass -d 'force {check,build,run}-pass tests to this mode' -r
 complete -c x -n "__fish_x_using_subcommand test" -l run -d 'whether to execute run-* tests' -r
+complete -c x -n "__fish_x_using_subcommand test" -l verbose-run-make-subprocess-output -d 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)' -r -f -a "{true\t'',false\t''}"
 complete -c x -n "__fish_x_using_subcommand test" -l test-codegen-backend -d 'Use a different codegen backend when running tests' -r
 complete -c x -n "__fish_x_using_subcommand test" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand test" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -473,6 +474,7 @@ complete -c x -n "__fish_x_using_subcommand t" -l extra-checks -d 'comma-separat
 complete -c x -n "__fish_x_using_subcommand t" -l compare-mode -d 'mode describing what file the actual ui output will be compared to' -r
 complete -c x -n "__fish_x_using_subcommand t" -l pass -d 'force {check,build,run}-pass tests to this mode' -r
 complete -c x -n "__fish_x_using_subcommand t" -l run -d 'whether to execute run-* tests' -r
+complete -c x -n "__fish_x_using_subcommand t" -l verbose-run-make-subprocess-output -d 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)' -r -f -a "{true\t'',false\t''}"
 complete -c x -n "__fish_x_using_subcommand t" -l test-codegen-backend -d 'Use a different codegen backend when running tests' -r
 complete -c x -n "__fish_x_using_subcommand t" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand t" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"

src/etc/completions/x.ps1

@@ -487,6 +487,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--compare-mode', '--compare-mode', [CompletionResultType]::ParameterName, 'mode describing what file the actual ui output will be compared to')
             [CompletionResult]::new('--pass', '--pass', [CompletionResultType]::ParameterName, 'force {check,build,run}-pass tests to this mode')
             [CompletionResult]::new('--run', '--run', [CompletionResultType]::ParameterName, 'whether to execute run-* tests')
+            [CompletionResult]::new('--verbose-run-make-subprocess-output', '--verbose-run-make-subprocess-output', [CompletionResultType]::ParameterName, 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)')
             [CompletionResult]::new('--test-codegen-backend', '--test-codegen-backend', [CompletionResultType]::ParameterName, 'Use a different codegen backend when running tests')
             [CompletionResult]::new('--config', '--config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
             [CompletionResult]::new('--build-dir', '--build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `bootstrap.toml`')
@@ -547,6 +548,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--compare-mode', '--compare-mode', [CompletionResultType]::ParameterName, 'mode describing what file the actual ui output will be compared to')
             [CompletionResult]::new('--pass', '--pass', [CompletionResultType]::ParameterName, 'force {check,build,run}-pass tests to this mode')
             [CompletionResult]::new('--run', '--run', [CompletionResultType]::ParameterName, 'whether to execute run-* tests')
+            [CompletionResult]::new('--verbose-run-make-subprocess-output', '--verbose-run-make-subprocess-output', [CompletionResultType]::ParameterName, 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)')
             [CompletionResult]::new('--test-codegen-backend', '--test-codegen-backend', [CompletionResultType]::ParameterName, 'Use a different codegen backend when running tests')
             [CompletionResult]::new('--config', '--config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
             [CompletionResult]::new('--build-dir', '--build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `bootstrap.toml`')

src/etc/completions/x.py.fish

@@ -420,6 +420,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand test" -l extra-checks -d 'comm
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l compare-mode -d 'mode describing what file the actual ui output will be compared to' -r
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l pass -d 'force {check,build,run}-pass tests to this mode' -r
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l run -d 'whether to execute run-* tests' -r
+complete -c x.py -n "__fish_x.py_using_subcommand test" -l verbose-run-make-subprocess-output -d 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)' -r -f -a "{true\t'',false\t''}"
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l test-codegen-backend -d 'Use a different codegen backend when running tests' -r
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -473,6 +474,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand t" -l extra-checks -d 'comma-s
 complete -c x.py -n "__fish_x.py_using_subcommand t" -l compare-mode -d 'mode describing what file the actual ui output will be compared to' -r
 complete -c x.py -n "__fish_x.py_using_subcommand t" -l pass -d 'force {check,build,run}-pass tests to this mode' -r
 complete -c x.py -n "__fish_x.py_using_subcommand t" -l run -d 'whether to execute run-* tests' -r
+complete -c x.py -n "__fish_x.py_using_subcommand t" -l verbose-run-make-subprocess-output -d 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)' -r -f -a "{true\t'',false\t''}"
 complete -c x.py -n "__fish_x.py_using_subcommand t" -l test-codegen-backend -d 'Use a different codegen backend when running tests' -r
 complete -c x.py -n "__fish_x.py_using_subcommand t" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand t" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"

src/etc/completions/x.py.ps1

@@ -487,6 +487,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--compare-mode', '--compare-mode', [CompletionResultType]::ParameterName, 'mode describing what file the actual ui output will be compared to')
             [CompletionResult]::new('--pass', '--pass', [CompletionResultType]::ParameterName, 'force {check,build,run}-pass tests to this mode')
             [CompletionResult]::new('--run', '--run', [CompletionResultType]::ParameterName, 'whether to execute run-* tests')
+            [CompletionResult]::new('--verbose-run-make-subprocess-output', '--verbose-run-make-subprocess-output', [CompletionResultType]::ParameterName, 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)')
             [CompletionResult]::new('--test-codegen-backend', '--test-codegen-backend', [CompletionResultType]::ParameterName, 'Use a different codegen backend when running tests')
             [CompletionResult]::new('--config', '--config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
             [CompletionResult]::new('--build-dir', '--build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `bootstrap.toml`')
@@ -547,6 +548,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--compare-mode', '--compare-mode', [CompletionResultType]::ParameterName, 'mode describing what file the actual ui output will be compared to')
             [CompletionResult]::new('--pass', '--pass', [CompletionResultType]::ParameterName, 'force {check,build,run}-pass tests to this mode')
             [CompletionResult]::new('--run', '--run', [CompletionResultType]::ParameterName, 'whether to execute run-* tests')
+            [CompletionResult]::new('--verbose-run-make-subprocess-output', '--verbose-run-make-subprocess-output', [CompletionResultType]::ParameterName, 'whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)')
             [CompletionResult]::new('--test-codegen-backend', '--test-codegen-backend', [CompletionResultType]::ParameterName, 'Use a different codegen backend when running tests')
             [CompletionResult]::new('--config', '--config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
             [CompletionResult]::new('--build-dir', '--build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `bootstrap.toml`')

src/etc/completions/x.py.sh

@@ -4638,7 +4638,7 @@ _x.py() {
             return 0
             ;;
         x.py__test)
-            opts="-v -i -j -h --no-fail-fast --test-args --compiletest-rustc-args --all-targets --doc --tests --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --no-capture --test-codegen-backend --bypass-ignore-backends --no-doc --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --json-output --compile-time-deps --color --bypass-bootstrap-lock --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --ci --skip-std-check-if-no-download-rustc --help [PATHS]... [ARGS]..."
+            opts="-v -i -j -h --no-fail-fast --test-args --compiletest-rustc-args --all-targets --doc --tests --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --no-capture --verbose-run-make-subprocess-output --test-codegen-backend --bypass-ignore-backends --no-doc --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --json-output --compile-time-deps --color --bypass-bootstrap-lock --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --ci --skip-std-check-if-no-download-rustc --help [PATHS]... [ARGS]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
@@ -4668,6 +4668,10 @@ _x.py() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --verbose-run-make-subprocess-output)
+                    COMPREPLY=($(compgen -W "true false" -- "${cur}"))
+                    return 0
+                    ;;
                 --test-codegen-backend)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
@@ -4852,7 +4856,7 @@ _x.py() {
             return 0
             ;;
         x.py__test)
-            opts="-v -i -j -h --no-fail-fast --test-args --compiletest-rustc-args --all-targets --doc --tests --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --no-capture --test-codegen-backend --bypass-ignore-backends --no-doc --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --json-output --compile-time-deps --color --bypass-bootstrap-lock --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --ci --skip-std-check-if-no-download-rustc --help [PATHS]... [ARGS]..."
+            opts="-v -i -j -h --no-fail-fast --test-args --compiletest-rustc-args --all-targets --doc --tests --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --no-capture --verbose-run-make-subprocess-output --test-codegen-backend --bypass-ignore-backends --no-doc --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --json-output --compile-time-deps --color --bypass-bootstrap-lock --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --ci --skip-std-check-if-no-download-rustc --help [PATHS]... [ARGS]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
@@ -4882,6 +4886,10 @@ _x.py() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --verbose-run-make-subprocess-output)
+                    COMPREPLY=($(compgen -W "true false" -- "${cur}"))
+                    return 0
+                    ;;
                 --test-codegen-backend)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0

src/etc/completions/x.py.zsh

@@ -488,6 +488,7 @@ _arguments "${_arguments_options[@]}" : \
 '--compare-mode=[mode describing what file the actual ui output will be compared to]:COMPARE MODE:_default' \
 '--pass=[force {check,build,run}-pass tests to this mode]:check | build | run:_default' \
 '--run=[whether to execute run-* tests]:auto | always | never:_default' \
+'--verbose-run-make-subprocess-output=[whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)]' \
 '--test-codegen-backend=[Use a different codegen backend when running tests]:TEST_CODEGEN_BACKEND:_default' \
 '--config=[TOML configuration file for build]:FILE:_files' \
 '--build-dir=[Build directory, overrides \`build.build-dir\` in \`bootstrap.toml\`]:DIR:_files -/' \
@@ -550,6 +551,7 @@ _arguments "${_arguments_options[@]}" : \
 '--compare-mode=[mode describing what file the actual ui output will be compared to]:COMPARE MODE:_default' \
 '--pass=[force {check,build,run}-pass tests to this mode]:check | build | run:_default' \
 '--run=[whether to execute run-* tests]:auto | always | never:_default' \
+'--verbose-run-make-subprocess-output=[whether to show verbose subprocess output for run-make tests; set to false to suppress output for passing tests (e.g. for cg_clif with --no-capture)]' \
 '--test-codegen-backend=[Use a different codegen backend when running tests]:TEST_CODEGEN_BACKEND:_default' \
 '--config=[TOML configuration file for build]:FILE:_files' \
 '--build-dir=[Build directory, overrides \`build.build-dir\` in \`bootstrap.toml\`]:DIR:_files -/' \