diff --git a/src/tools/tidy/src/alphabetical.rs b/src/tools/tidy/src/alphabetical.rs
index f93d3b5611309..3845e2269e9b2 100644
--- a/src/tools/tidy/src/alphabetical.rs
+++ b/src/tools/tidy/src/alphabetical.rs
@@ -24,7 +24,7 @@ use std::fmt::Display;
 use std::iter::Peekable;
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 #[cfg(test)]
@@ -130,8 +130,8 @@ fn check_lines<'a>(
     }
 }
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("alphabetical").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("alphabetical").path(path));
 
     let skip =
         |path: &_, _is_dir| filter_dirs(path) || path.ends_with("tidy/src/alphabetical/tests.rs");
diff --git a/src/tools/tidy/src/alphabetical/tests.rs b/src/tools/tidy/src/alphabetical/tests.rs
index b181ab8f744f9..3e0dd798ab9df 100644
--- a/src/tools/tidy/src/alphabetical/tests.rs
+++ b/src/tools/tidy/src/alphabetical/tests.rs
@@ -1,12 +1,12 @@
 use std::path::Path;
 
 use crate::alphabetical::check_lines;
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::{TidyCtx, TidyFlags};
 
 #[track_caller]
 fn test(lines: &str, name: &str, expected_msg: &str, expected_bad: bool) {
-    let diag_ctx = DiagCtx::new(Path::new("/"), false);
-    let mut check = diag_ctx.start_check("alphabetical-test");
+    let tidy_ctx = TidyCtx::new(Path::new("/"), false, TidyFlags::default());
+    let mut check = tidy_ctx.start_check("alphabetical-test");
     check_lines(&name, lines.lines().enumerate(), &mut check);
 
     assert_eq!(expected_bad, check.is_bad());
diff --git a/src/tools/tidy/src/bins.rs b/src/tools/tidy/src/bins.rs
index 10b6186997167..2dcbd8e9b38a2 100644
--- a/src/tools/tidy/src/bins.rs
+++ b/src/tools/tidy/src/bins.rs
@@ -12,13 +12,13 @@ pub use os_impl::*;
 mod os_impl {
     use std::path::Path;
 
-    use crate::diagnostics::DiagCtx;
+    use crate::diagnostics::TidyCtx;
 
     pub fn check_filesystem_support(_sources: &[&Path], _output: &Path) -> bool {
         return false;
     }
 
-    pub fn check(_path: &Path, _diag_ctx: DiagCtx) {}
+    pub fn check(_path: &Path, _tidy_ctx: TidyCtx) {}
 }
 
 #[cfg(unix)]
@@ -38,7 +38,7 @@ mod os_impl {
 
     use FilesystemSupport::*;
 
-    use crate::diagnostics::DiagCtx;
+    use crate::diagnostics::TidyCtx;
 
     fn is_executable(path: &Path) -> std::io::Result<bool> {
         Ok(path.metadata()?.mode() & 0o111 != 0)
@@ -110,8 +110,8 @@ mod os_impl {
     }
 
     #[cfg(unix)]
-    pub fn check(path: &Path, diag_ctx: DiagCtx) {
-        let mut check = diag_ctx.start_check("bins");
+    pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+        let mut check = tidy_ctx.start_check("bins");
 
         use std::ffi::OsStr;
 
diff --git a/src/tools/tidy/src/debug_artifacts.rs b/src/tools/tidy/src/debug_artifacts.rs
index 19effaede817b..a1a0f37f7844b 100644
--- a/src/tools/tidy/src/debug_artifacts.rs
+++ b/src/tools/tidy/src/debug_artifacts.rs
@@ -2,13 +2,13 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::{filter_dirs, filter_not_rust, walk};
 
 const GRAPHVIZ_POSTFLOW_MSG: &str = "`borrowck_graphviz_postflow` attribute in test";
 
-pub fn check(test_dir: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("debug_artifacts").path(test_dir));
+pub fn check(test_dir: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("debug_artifacts").path(test_dir));
 
     walk(
         test_dir,
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 86845022c82bc..6a1721df1642e 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -9,7 +9,7 @@ use build_helper::ci::CiEnv;
 use cargo_metadata::semver::Version;
 use cargo_metadata::{Metadata, Package, PackageId};
 
-use crate::diagnostics::{DiagCtx, RunningCheck};
+use crate::diagnostics::{RunningCheck, TidyCtx};
 
 #[path = "../../../bootstrap/src/utils/proc_macro_deps.rs"]
 mod proc_macro_deps;
@@ -615,8 +615,9 @@ const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[
 ///
 /// `root` is path to the directory with the root `Cargo.toml` (for the workspace). `cargo` is path
 /// to the cargo executable.
-pub fn check(root: &Path, cargo: &Path, bless: bool, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("deps");
+pub fn check(root: &Path, cargo: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("deps");
+    let bless = tidy_ctx.is_bless_enabled();
 
     let mut checked_runtime_licenses = false;
 
diff --git a/src/tools/tidy/src/diagnostics.rs b/src/tools/tidy/src/diagnostics.rs
index 6e95f97d0104f..1e25f862522e8 100644
--- a/src/tools/tidy/src/diagnostics.rs
+++ b/src/tools/tidy/src/diagnostics.rs
@@ -5,28 +5,59 @@ use std::sync::{Arc, Mutex};
 
 use termcolor::{Color, WriteColor};
 
+#[derive(Clone, Default)]
+///CLI flags used by tidy.
+pub struct TidyFlags {
+    ///Applies style and formatting changes during a tidy run.
+    bless: bool,
+}
+
+impl TidyFlags {
+    pub fn new(cfg_args: &[String]) -> Self {
+        let mut flags = Self::default();
+
+        for arg in cfg_args {
+            match arg.as_str() {
+                "--bless" => flags.bless = true,
+                _ => continue,
+            }
+        }
+        flags
+    }
+}
+
 /// Collects diagnostics from all tidy steps, and contains shared information
 /// that determines how should message and logs be presented.
 ///
 /// Since checks are executed in parallel, the context is internally synchronized, to avoid
 /// all checks to lock it explicitly.
 #[derive(Clone)]
-pub struct DiagCtx(Arc<Mutex<DiagCtxInner>>);
+pub struct TidyCtx {
+    tidy_flags: TidyFlags,
+    diag_ctx: Arc<Mutex<DiagCtxInner>>,
+}
+
+impl TidyCtx {
+    pub fn new(root_path: &Path, verbose: bool, tidy_flags: TidyFlags) -> Self {
+        Self {
+            diag_ctx: Arc::new(Mutex::new(DiagCtxInner {
+                running_checks: Default::default(),
+                finished_checks: Default::default(),
+                root_path: root_path.to_path_buf(),
+                verbose,
+            })),
+            tidy_flags,
+        }
+    }
 
-impl DiagCtx {
-    pub fn new(root_path: &Path, verbose: bool) -> Self {
-        Self(Arc::new(Mutex::new(DiagCtxInner {
-            running_checks: Default::default(),
-            finished_checks: Default::default(),
-            root_path: root_path.to_path_buf(),
-            verbose,
-        })))
+    pub fn is_bless_enabled(&self) -> bool {
+        self.tidy_flags.bless
     }
 
     pub fn start_check<Id: Into<CheckId>>(&self, id: Id) -> RunningCheck {
         let mut id = id.into();
 
-        let mut ctx = self.0.lock().unwrap();
+        let mut ctx = self.diag_ctx.lock().unwrap();
 
         // Shorten path for shorter diagnostics
         id.path = match id.path {
@@ -38,14 +69,14 @@ impl DiagCtx {
         RunningCheck {
             id,
             bad: false,
-            ctx: self.0.clone(),
+            ctx: self.diag_ctx.clone(),
             #[cfg(test)]
             errors: vec![],
         }
     }
 
     pub fn into_failed_checks(self) -> Vec<FinishedCheck> {
-        let ctx = Arc::into_inner(self.0).unwrap().into_inner().unwrap();
+        let ctx = Arc::into_inner(self.diag_ctx).unwrap().into_inner().unwrap();
         assert!(ctx.running_checks.is_empty(), "Some checks are still running");
         ctx.finished_checks.into_iter().filter(|c| c.bad).collect()
     }
@@ -151,7 +182,7 @@ impl RunningCheck {
     /// Useful if you want to run some functions from tidy without configuring
     /// diagnostics.
     pub fn new_noop() -> Self {
-        let ctx = DiagCtx::new(Path::new(""), false);
+        let ctx = TidyCtx::new(Path::new(""), false, TidyFlags::default());
         ctx.start_check("noop")
     }
 
diff --git a/src/tools/tidy/src/edition.rs b/src/tools/tidy/src/edition.rs
index 448e0b0e0a8c6..de21846ab1883 100644
--- a/src/tools/tidy/src/edition.rs
+++ b/src/tools/tidy/src/edition.rs
@@ -2,11 +2,11 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("edition").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("edition").path(path));
     walk(path, |path, _is_dir| filter_dirs(path), &mut |entry, contents| {
         let file = entry.path();
         let filename = file.file_name().unwrap();
diff --git a/src/tools/tidy/src/error_codes.rs b/src/tools/tidy/src/error_codes.rs
index 83fbefa43d975..9150d36339c87 100644
--- a/src/tools/tidy/src/error_codes.rs
+++ b/src/tools/tidy/src/error_codes.rs
@@ -22,7 +22,7 @@ use std::path::Path;
 
 use regex::Regex;
 
-use crate::diagnostics::{DiagCtx, RunningCheck};
+use crate::diagnostics::{RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, walk, walk_many};
 
 const ERROR_CODES_PATH: &str = "compiler/rustc_error_codes/src/lib.rs";
@@ -36,8 +36,8 @@ const IGNORE_DOCTEST_CHECK: &[&str] = &["E0464", "E0570", "E0601", "E0602", "E07
 const IGNORE_UI_TEST_CHECK: &[&str] =
     &["E0461", "E0465", "E0514", "E0554", "E0640", "E0717", "E0729"];
 
-pub fn check(root_path: &Path, search_paths: &[&Path], ci_info: &crate::CiInfo, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("error_codes");
+pub fn check(root_path: &Path, search_paths: &[&Path], ci_info: &crate::CiInfo, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("error_codes");
 
     // Check that no error code explanation was removed.
     check_removed_error_code_explanation(ci_info, &mut check);
diff --git a/src/tools/tidy/src/extdeps.rs b/src/tools/tidy/src/extdeps.rs
index f75de13b45ceb..19c773d12f7fa 100644
--- a/src/tools/tidy/src/extdeps.rs
+++ b/src/tools/tidy/src/extdeps.rs
@@ -4,7 +4,7 @@ use std::fs;
 use std::path::Path;
 
 use crate::deps::WorkspaceInfo;
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 
 /// List of allowed sources for packages.
 const ALLOWED_SOURCES: &[&str] = &[
@@ -15,8 +15,8 @@ const ALLOWED_SOURCES: &[&str] = &[
 
 /// Checks for external package sources. `root` is the path to the directory that contains the
 /// workspace `Cargo.toml`.
-pub fn check(root: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("extdeps");
+pub fn check(root: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("extdeps");
 
     for &WorkspaceInfo { path, submodules, .. } in crate::deps::WORKSPACES {
         if crate::deps::has_missing_submodule(root, submodules) {
diff --git a/src/tools/tidy/src/extra_checks/mod.rs b/src/tools/tidy/src/extra_checks/mod.rs
index 3a1c32e7b42ee..a45af7fcf1580 100644
--- a/src/tools/tidy/src/extra_checks/mod.rs
+++ b/src/tools/tidy/src/extra_checks/mod.rs
@@ -24,7 +24,7 @@ use std::str::FromStr;
 use std::{fmt, fs, io};
 
 use crate::CiInfo;
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 
 mod rustdoc_js;
 
@@ -52,12 +52,11 @@ pub fn check(
     tools_path: &Path,
     npm: &Path,
     cargo: &Path,
-    bless: bool,
     extra_checks: Option<&str>,
     pos_args: &[String],
-    diag_ctx: DiagCtx,
+    tidy_ctx: TidyCtx,
 ) {
-    let mut check = diag_ctx.start_check("extra_checks");
+    let mut check = tidy_ctx.start_check("extra_checks");
 
     if let Err(e) = check_impl(
         root_path,
@@ -67,9 +66,9 @@ pub fn check(
         tools_path,
         npm,
         cargo,
-        bless,
         extra_checks,
         pos_args,
+        &tidy_ctx,
     ) {
         check.error(e);
     }
@@ -83,12 +82,13 @@ fn check_impl(
     tools_path: &Path,
     npm: &Path,
     cargo: &Path,
-    bless: bool,
     extra_checks: Option<&str>,
     pos_args: &[String],
+    tidy_ctx: &TidyCtx,
 ) -> Result<(), Error> {
     let show_diff =
         std::env::var("TIDY_PRINT_DIFF").is_ok_and(|v| v.eq_ignore_ascii_case("true") || v == "1");
+    let bless = tidy_ctx.is_bless_enabled();
 
     // Split comma-separated args up
     let mut lint_args = match extra_checks {
diff --git a/src/tools/tidy/src/features.rs b/src/tools/tidy/src/features.rs
index 0a0ba217c6338..08061bd834e3c 100644
--- a/src/tools/tidy/src/features.rs
+++ b/src/tools/tidy/src/features.rs
@@ -16,7 +16,7 @@ use std::num::NonZeroU32;
 use std::path::{Path, PathBuf};
 use std::{fmt, fs};
 
-use crate::diagnostics::{DiagCtx, RunningCheck};
+use crate::diagnostics::{RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, filter_not_rust, walk, walk_many};
 
 #[cfg(test)]
@@ -92,9 +92,9 @@ pub fn check(
     tests_path: &Path,
     compiler_path: &Path,
     lib_path: &Path,
-    diag_ctx: DiagCtx,
+    tidy_ctx: TidyCtx,
 ) -> CollectedFeatures {
-    let mut check = diag_ctx.start_check("features");
+    let mut check = tidy_ctx.start_check("features");
 
     let mut features = collect_lang_features(compiler_path, &mut check);
     assert!(!features.is_empty());
diff --git a/src/tools/tidy/src/filenames.rs b/src/tools/tidy/src/filenames.rs
index 835cbefbf6910..a355588fd99ca 100644
--- a/src/tools/tidy/src/filenames.rs
+++ b/src/tools/tidy/src/filenames.rs
@@ -10,10 +10,10 @@
 use std::path::Path;
 use std::process::Command;
 
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 
-pub fn check(root_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("filenames");
+pub fn check(root_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("filenames");
     let stat_output = Command::new("git")
         .arg("-C")
         .arg(root_path)
diff --git a/src/tools/tidy/src/fluent_alphabetical.rs b/src/tools/tidy/src/fluent_alphabetical.rs
index 769f92d04f0af..7583241ea638a 100644
--- a/src/tools/tidy/src/fluent_alphabetical.rs
+++ b/src/tools/tidy/src/fluent_alphabetical.rs
@@ -9,7 +9,7 @@ use fluent_syntax::ast::Entry;
 use fluent_syntax::parser;
 use regex::Regex;
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 fn message() -> &'static Regex {
@@ -87,8 +87,9 @@ fn sort_messages(
     out
 }
 
-pub fn check(path: &Path, bless: bool, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("fluent_alphabetical").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("fluent_alphabetical").path(path));
+    let bless = tidy_ctx.is_bless_enabled();
 
     let mut all_defined_msgs = HashMap::new();
     walk(
@@ -120,5 +121,5 @@ pub fn check(path: &Path, bless: bool, diag_ctx: DiagCtx) {
 
     assert!(!all_defined_msgs.is_empty());
 
-    crate::fluent_used::check(path, all_defined_msgs, diag_ctx);
+    crate::fluent_used::check(path, all_defined_msgs, tidy_ctx);
 }
diff --git a/src/tools/tidy/src/fluent_lowercase.rs b/src/tools/tidy/src/fluent_lowercase.rs
index 1d80fda8f3b86..690b733a5b648 100644
--- a/src/tools/tidy/src/fluent_lowercase.rs
+++ b/src/tools/tidy/src/fluent_lowercase.rs
@@ -4,7 +4,7 @@ use std::path::Path;
 
 use fluent_syntax::ast::{Entry, Message, PatternElement};
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 #[rustfmt::skip]
@@ -53,8 +53,8 @@ fn check_lowercase(filename: &str, contents: &str, check: &mut RunningCheck) {
     }
 }
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("fluent_lowercase").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("fluent_lowercase").path(path));
     walk(
         path,
         |path, is_dir| filter_dirs(path) || (!is_dir && filter_fluent(path)),
diff --git a/src/tools/tidy/src/fluent_period.rs b/src/tools/tidy/src/fluent_period.rs
index c7c760b8d54fd..e7d59e2ce2a9c 100644
--- a/src/tools/tidy/src/fluent_period.rs
+++ b/src/tools/tidy/src/fluent_period.rs
@@ -4,7 +4,7 @@ use std::path::Path;
 
 use fluent_syntax::ast::{Entry, PatternElement};
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 fn filter_fluent(path: &Path) -> bool {
@@ -75,8 +75,8 @@ fn find_line(haystack: &str, needle: &str) -> usize {
     1
 }
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("fluent_period").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("fluent_period").path(path));
 
     walk(
         path,
diff --git a/src/tools/tidy/src/fluent_used.rs b/src/tools/tidy/src/fluent_used.rs
index 2047089631b38..75da1d7ea49d7 100644
--- a/src/tools/tidy/src/fluent_used.rs
+++ b/src/tools/tidy/src/fluent_used.rs
@@ -3,7 +3,7 @@
 use std::collections::HashMap;
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 fn filter_used_messages(
@@ -28,8 +28,8 @@ fn filter_used_messages(
     }
 }
 
-pub fn check(path: &Path, mut all_defined_msgs: HashMap<String, String>, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("fluent_used").path(path));
+pub fn check(path: &Path, mut all_defined_msgs: HashMap<String, String>, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("fluent_used").path(path));
 
     let mut msgs_appear_only_once = HashMap::new();
     walk(path, |path, _| filter_dirs(path), &mut |_, contents| {
diff --git a/src/tools/tidy/src/gcc_submodule.rs b/src/tools/tidy/src/gcc_submodule.rs
index 3a6e3247de606..46b816f5c9d0e 100644
--- a/src/tools/tidy/src/gcc_submodule.rs
+++ b/src/tools/tidy/src/gcc_submodule.rs
@@ -4,10 +4,10 @@
 use std::path::Path;
 use std::process::Command;
 
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 
-pub fn check(root_path: &Path, compiler_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("gcc_submodule");
+pub fn check(root_path: &Path, compiler_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("gcc_submodule");
 
     let cg_gcc_version_path = compiler_path.join("rustc_codegen_gcc/libgccjit.version");
     let cg_gcc_version = std::fs::read_to_string(&cg_gcc_version_path)
diff --git a/src/tools/tidy/src/known_bug.rs b/src/tools/tidy/src/known_bug.rs
index d3b75e0cf5b8c..e6038341ba966 100644
--- a/src/tools/tidy/src/known_bug.rs
+++ b/src/tools/tidy/src/known_bug.rs
@@ -2,11 +2,11 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::*;
 
-pub fn check(filepath: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("known_bug").path(filepath));
+pub fn check(filepath: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("known_bug").path(filepath));
     walk(filepath, |path, _is_dir| filter_not_rust(path), &mut |entry, contents| {
         let file: &Path = entry.path();
 
diff --git a/src/tools/tidy/src/lib.rs b/src/tools/tidy/src/lib.rs
index 0acbcd64f067c..756f9790e04ad 100644
--- a/src/tools/tidy/src/lib.rs
+++ b/src/tools/tidy/src/lib.rs
@@ -12,7 +12,7 @@ use build_helper::ci::CiEnv;
 use build_helper::git::{GitConfig, get_closest_upstream_commit};
 use build_helper::stage0_parser::{Stage0Config, parse_stage0_file};
 
-use crate::diagnostics::{DiagCtx, RunningCheck};
+use crate::diagnostics::{RunningCheck, TidyCtx};
 
 macro_rules! static_regex {
     ($re:literal) => {{
@@ -52,8 +52,8 @@ pub struct CiInfo {
 }
 
 impl CiInfo {
-    pub fn new(diag_ctx: DiagCtx) -> Self {
-        let mut check = diag_ctx.start_check("CI history");
+    pub fn new(tidy_ctx: TidyCtx) -> Self {
+        let mut check = tidy_ctx.start_check("CI history");
 
         let stage0 = parse_stage0_file();
         let Stage0Config { nightly_branch, git_merge_commit_email, .. } = stage0.config;
diff --git a/src/tools/tidy/src/main.rs b/src/tools/tidy/src/main.rs
index 93bc16111992a..94c24f11ed12f 100644
--- a/src/tools/tidy/src/main.rs
+++ b/src/tools/tidy/src/main.rs
@@ -11,7 +11,7 @@ use std::str::FromStr;
 use std::thread::{self, ScopedJoinHandle, scope};
 use std::{env, process};
 
-use tidy::diagnostics::{COLOR_ERROR, COLOR_SUCCESS, DiagCtx, output_message};
+use tidy::diagnostics::{COLOR_ERROR, COLOR_SUCCESS, TidyCtx, TidyFlags, output_message};
 use tidy::*;
 
 fn main() {
@@ -46,12 +46,12 @@ fn main() {
         None => (&args[..], [].as_slice()),
     };
     let verbose = cfg_args.iter().any(|s| *s == "--verbose");
-    let bless = cfg_args.iter().any(|s| *s == "--bless");
     let extra_checks =
         cfg_args.iter().find(|s| s.starts_with("--extra-checks=")).map(String::as_str);
 
-    let diag_ctx = DiagCtx::new(&root_path, verbose);
-    let ci_info = CiInfo::new(diag_ctx.clone());
+    let tidy_flags = TidyFlags::new(cfg_args);
+    let tidy_ctx = TidyCtx::new(&root_path, verbose, tidy_flags);
+    let ci_info = CiInfo::new(tidy_ctx.clone());
 
     let drain_handles = |handles: &mut VecDeque<ScopedJoinHandle<'_, ()>>| {
         // poll all threads for completion before awaiting the oldest one
@@ -86,9 +86,9 @@ fn main() {
             (@ $p:ident, name=$name:expr $(, $args:expr)* ) => {
                 drain_handles(&mut handles);
 
-                let diag_ctx = diag_ctx.clone();
+                let tidy_ctx = tidy_ctx.clone();
                 let handle = thread::Builder::new().name($name).spawn_scoped(s, || {
-                    $p::check($($args, )* diag_ctx);
+                    $p::check($($args, )* tidy_ctx);
                 }).unwrap();
                 handles.push_back(handle);
             }
@@ -97,15 +97,15 @@ fn main() {
         check!(target_specific_tests, &tests_path);
 
         // Checks that are done on the cargo workspace.
-        check!(deps, &root_path, &cargo, bless);
+        check!(deps, &root_path, &cargo);
         check!(extdeps, &root_path);
 
         // Checks over tests.
         check!(tests_placement, &root_path);
         check!(tests_revision_unpaired_stdout_stderr, &tests_path);
         check!(debug_artifacts, &tests_path);
-        check!(ui_tests, &root_path, bless);
-        check!(mir_opt_tests, &tests_path, bless);
+        check!(ui_tests, &root_path);
+        check!(mir_opt_tests, &tests_path);
         check!(rustdoc_gui_tests, &tests_path);
         check!(rustdoc_css_themes, &librustdoc_path);
         check!(rustdoc_templates, &librustdoc_path);
@@ -115,7 +115,7 @@ fn main() {
 
         // Checks that only make sense for the compiler.
         check!(error_codes, &root_path, &[&compiler_path, &librustdoc_path], &ci_info);
-        check!(fluent_alphabetical, &compiler_path, bless);
+        check!(fluent_alphabetical, &compiler_path);
         check!(fluent_period, &compiler_path);
         check!(fluent_lowercase, &compiler_path);
         check!(target_policy, &root_path);
@@ -156,7 +156,7 @@ fn main() {
         let collected = {
             drain_handles(&mut handles);
 
-            features::check(&src_path, &tests_path, &compiler_path, &library_path, diag_ctx.clone())
+            features::check(&src_path, &tests_path, &compiler_path, &library_path, tidy_ctx.clone())
         };
         check!(unstable_book, &src_path, collected);
 
@@ -169,13 +169,12 @@ fn main() {
             &tools_path,
             &npm,
             &cargo,
-            bless,
             extra_checks,
             pos_args
         );
     });
 
-    let failed_checks = diag_ctx.into_failed_checks();
+    let failed_checks = tidy_ctx.into_failed_checks();
     if !failed_checks.is_empty() {
         let mut failed: Vec<String> =
             failed_checks.into_iter().map(|c| c.id().to_string()).collect();
diff --git a/src/tools/tidy/src/mir_opt_tests.rs b/src/tools/tidy/src/mir_opt_tests.rs
index 0f9fab51d096f..afc1dc2a1860b 100644
--- a/src/tools/tidy/src/mir_opt_tests.rs
+++ b/src/tools/tidy/src/mir_opt_tests.rs
@@ -5,7 +5,7 @@ use std::path::{Path, PathBuf};
 
 use miropt_test_tools::PanicStrategy;
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::walk::walk_no_read;
 
 fn check_unused_files(path: &Path, bless: bool, check: &mut RunningCheck) {
@@ -74,8 +74,9 @@ fn check_dash_files(path: &Path, bless: bool, check: &mut RunningCheck) {
     }
 }
 
-pub fn check(path: &Path, bless: bool, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("mir_opt_tests").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("mir_opt_tests").path(path));
+    let bless = tidy_ctx.is_bless_enabled();
 
     check_unused_files(path, bless, &mut check);
     check_dash_files(path, bless, &mut check);
diff --git a/src/tools/tidy/src/pal.rs b/src/tools/tidy/src/pal.rs
index cefad7d9596a6..dfca2cda9a0f8 100644
--- a/src/tools/tidy/src/pal.rs
+++ b/src/tools/tidy/src/pal.rs
@@ -32,7 +32,7 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 // Paths that may contain platform-specific code.
@@ -68,8 +68,8 @@ const EXCEPTION_PATHS: &[&str] = &[
     "library/std/src/io/error.rs", // Repr unpacked needed for UEFI
 ];
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("pal").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("pal").path(path));
 
     // Sanity check that the complex parsing here works.
     let mut saw_target_arch = false;
diff --git a/src/tools/tidy/src/rustdoc_css_themes.rs b/src/tools/tidy/src/rustdoc_css_themes.rs
index 8d4af7a3bd564..f3aecc15cd9ac 100644
--- a/src/tools/tidy/src/rustdoc_css_themes.rs
+++ b/src/tools/tidy/src/rustdoc_css_themes.rs
@@ -3,10 +3,10 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 
-pub fn check(librustdoc_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("rustdoc_css_themes").path(librustdoc_path));
+pub fn check(librustdoc_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("rustdoc_css_themes").path(librustdoc_path));
 
     let rustdoc_css = "html/static/css/rustdoc.css";
     let noscript_css = "html/static/css/noscript.css";
diff --git a/src/tools/tidy/src/rustdoc_gui_tests.rs b/src/tools/tidy/src/rustdoc_gui_tests.rs
index 8ec300c42ce9f..848250e18e74a 100644
--- a/src/tools/tidy/src/rustdoc_gui_tests.rs
+++ b/src/tools/tidy/src/rustdoc_gui_tests.rs
@@ -2,10 +2,10 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("rustdoc_gui_tests").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("rustdoc_gui_tests").path(path));
 
     crate::walk::walk(
         &path.join("rustdoc-gui"),
diff --git a/src/tools/tidy/src/rustdoc_json.rs b/src/tools/tidy/src/rustdoc_json.rs
index ade774616c71b..b8fb04f2d4e1f 100644
--- a/src/tools/tidy/src/rustdoc_json.rs
+++ b/src/tools/tidy/src/rustdoc_json.rs
@@ -4,12 +4,12 @@
 use std::path::Path;
 use std::str::FromStr;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 
 const RUSTDOC_JSON_TYPES: &str = "src/rustdoc-json-types";
 
-pub fn check(src_path: &Path, ci_info: &crate::CiInfo, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("rustdoc_json").path(src_path));
+pub fn check(src_path: &Path, ci_info: &crate::CiInfo, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("rustdoc_json").path(src_path));
 
     let Some(base_commit) = &ci_info.base_commit else {
         check.verbose_msg("No base commit, skipping rustdoc_json check");
diff --git a/src/tools/tidy/src/rustdoc_templates.rs b/src/tools/tidy/src/rustdoc_templates.rs
index 4e5b9988d5391..faeb95a92b763 100644
--- a/src/tools/tidy/src/rustdoc_templates.rs
+++ b/src/tools/tidy/src/rustdoc_templates.rs
@@ -6,14 +6,14 @@ use std::path::Path;
 
 use ignore::DirEntry;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::walk;
 
 // Array containing `("beginning of tag", "end of tag")`.
 const TAGS: &[(&str, &str)] = &[("{#", "#}"), ("{%", "%}"), ("{{", "}}")];
 
-pub fn check(librustdoc_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("rustdoc_templates").path(librustdoc_path));
+pub fn check(librustdoc_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("rustdoc_templates").path(librustdoc_path));
 
     walk(
         &librustdoc_path.join("html/templates"),
diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs
index d17278edc849a..7bb424d926c26 100644
--- a/src/tools/tidy/src/style.rs
+++ b/src/tools/tidy/src/style.rs
@@ -24,7 +24,7 @@ use std::sync::LazyLock;
 use regex::RegexSetBuilder;
 use rustc_hash::FxHashMap;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
 #[cfg(test)]
@@ -339,8 +339,8 @@ fn is_unexplained_ignore(extension: &str, line: &str) -> bool {
     true
 }
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("style").path(path));
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("style").path(path));
 
     fn skip(path: &Path, is_dir: bool) -> bool {
         if path.file_name().is_some_and(|name| name.to_string_lossy().starts_with(".#")) {
diff --git a/src/tools/tidy/src/target_policy.rs b/src/tools/tidy/src/target_policy.rs
index cfcfcaf2435b3..83fbe6a0d8dae 100644
--- a/src/tools/tidy/src/target_policy.rs
+++ b/src/tools/tidy/src/target_policy.rs
@@ -5,7 +5,7 @@
 use std::collections::HashSet;
 use std::path::Path;
 
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 use crate::walk::{filter_not_rust, walk};
 
 const TARGET_DEFINITIONS_PATH: &str = "compiler/rustc_target/src/spec/targets/";
@@ -24,8 +24,8 @@ const EXCEPTIONS: &[&str] = &[
     "xtensa_esp32s3_espidf",
 ];
 
-pub fn check(root_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("target_policy");
+pub fn check(root_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("target_policy");
 
     let mut targets_to_find = HashSet::new();
 
diff --git a/src/tools/tidy/src/target_specific_tests.rs b/src/tools/tidy/src/target_specific_tests.rs
index c1db3874ad547..159d7278bb62e 100644
--- a/src/tools/tidy/src/target_specific_tests.rs
+++ b/src/tools/tidy/src/target_specific_tests.rs
@@ -4,7 +4,7 @@
 use std::collections::BTreeMap;
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::iter_header::{HeaderLine, iter_header};
 use crate::walk::filter_not_rust;
 
@@ -17,8 +17,8 @@ struct RevisionInfo<'a> {
     llvm_components: Option<Vec<&'a str>>,
 }
 
-pub fn check(tests_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("target-specific-tests").path(tests_path));
+pub fn check(tests_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("target-specific-tests").path(tests_path));
 
     crate::walk::walk(tests_path, |path, _is_dir| filter_not_rust(path), &mut |entry, content| {
         if content.contains("// ignore-tidy-target-specific-tests") {
diff --git a/src/tools/tidy/src/tests_placement.rs b/src/tools/tidy/src/tests_placement.rs
index 8ba8cf552bd7f..18b00608fdce5 100644
--- a/src/tools/tidy/src/tests_placement.rs
+++ b/src/tools/tidy/src/tests_placement.rs
@@ -1,12 +1,12 @@
 use std::path::Path;
 
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 
 const FORBIDDEN_PATH: &str = "src/test";
 const ALLOWED_PATH: &str = "tests";
 
-pub fn check(root_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("tests_placement");
+pub fn check(root_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("tests_placement");
 
     if root_path.join(FORBIDDEN_PATH).exists() {
         check.error(format!(
diff --git a/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs b/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs
index 1738088a3a0c0..4d9cb55138afa 100644
--- a/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs
+++ b/src/tools/tidy/src/tests_revision_unpaired_stdout_stderr.rs
@@ -4,7 +4,7 @@ use std::collections::{BTreeMap, BTreeSet};
 use std::ffi::OsStr;
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::iter_header::*;
 use crate::walk::*;
 
@@ -22,8 +22,8 @@ const IGNORES: &[&str] = &[
 const EXTENSIONS: &[&str] = &["stdout", "stderr"];
 const SPECIAL_TEST: &str = "tests/ui/command/need-crate-arg-ignore-tidy.x.rs";
 
-pub fn check(tests_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx
+pub fn check(tests_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx
         .start_check(CheckId::new("tests_revision_unpaired_stdout_stderr").path(tests_path));
 
     // Recurse over subdirectories under `tests/`
diff --git a/src/tools/tidy/src/triagebot.rs b/src/tools/tidy/src/triagebot.rs
index 41d61dcd14118..01401c94d7309 100644
--- a/src/tools/tidy/src/triagebot.rs
+++ b/src/tools/tidy/src/triagebot.rs
@@ -4,10 +4,10 @@ use std::path::Path;
 
 use toml::Value;
 
-use crate::diagnostics::DiagCtx;
+use crate::diagnostics::TidyCtx;
 
-pub fn check(path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("triagebot");
+pub fn check(path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("triagebot");
     let triagebot_path = path.join("triagebot.toml");
 
     // This check is mostly to catch broken path filters *within* `triagebot.toml`, and not enforce
diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs
index c74ecf3d43f46..45c2e76d1c1c0 100644
--- a/src/tools/tidy/src/ui_tests.rs
+++ b/src/tools/tidy/src/ui_tests.rs
@@ -7,16 +7,17 @@ use std::fs;
 use std::io::Write;
 use std::path::{Path, PathBuf};
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 
 const ISSUES_TXT_HEADER: &str = r#"============================================================
     ⚠️⚠️⚠️NOTHING SHOULD EVER BE ADDED TO THIS LIST⚠️⚠️⚠️
 ============================================================
 "#;
 
-pub fn check(root_path: &Path, bless: bool, diag_ctx: DiagCtx) {
+pub fn check(root_path: &Path, tidy_ctx: TidyCtx) {
     let path = &root_path.join("tests");
-    let mut check = diag_ctx.start_check(CheckId::new("ui_tests").path(path));
+    let mut check = tidy_ctx.start_check(CheckId::new("ui_tests").path(path));
+    let bless = tidy_ctx.is_bless_enabled();
 
     // the list of files in ui tests that are allowed to start with `issue-XXXX`
     // BTreeSet because we would like a stable ordering so --bless works
diff --git a/src/tools/tidy/src/unit_tests.rs b/src/tools/tidy/src/unit_tests.rs
index cab445ac63a1b..74b6c4a3845a6 100644
--- a/src/tools/tidy/src/unit_tests.rs
+++ b/src/tools/tidy/src/unit_tests.rs
@@ -11,11 +11,11 @@
 
 use std::path::Path;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 use crate::walk::{filter_dirs, walk};
 
-pub fn check(root_path: &Path, stdlib: bool, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("unit_tests").path(root_path));
+pub fn check(root_path: &Path, stdlib: bool, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("unit_tests").path(root_path));
 
     let skip = move |path: &Path, is_dir| {
         let file_name = path.file_name().unwrap_or_default();
diff --git a/src/tools/tidy/src/unknown_revision.rs b/src/tools/tidy/src/unknown_revision.rs
index 776d45e25de0d..43de6ee18b4de 100644
--- a/src/tools/tidy/src/unknown_revision.rs
+++ b/src/tools/tidy/src/unknown_revision.rs
@@ -12,12 +12,12 @@ use std::sync::OnceLock;
 use ignore::DirEntry;
 use regex::Regex;
 
-use crate::diagnostics::{CheckId, DiagCtx, RunningCheck};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
 use crate::iter_header::{HeaderLine, iter_header};
 use crate::walk::{filter_dirs, filter_not_rust, walk};
 
-pub fn check(tests_path: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("unknown_revision").path(tests_path));
+pub fn check(tests_path: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("unknown_revision").path(tests_path));
     walk(
         tests_path,
         |path, is_dir| {
diff --git a/src/tools/tidy/src/unstable_book.rs b/src/tools/tidy/src/unstable_book.rs
index bab294abee02d..cfaf56ae7b641 100644
--- a/src/tools/tidy/src/unstable_book.rs
+++ b/src/tools/tidy/src/unstable_book.rs
@@ -2,7 +2,7 @@ use std::collections::BTreeSet;
 use std::fs;
 use std::path::{Path, PathBuf};
 
-use crate::diagnostics::{DiagCtx, RunningCheck};
+use crate::diagnostics::{RunningCheck, TidyCtx};
 use crate::features::{CollectedFeatures, Features, Status};
 
 pub const PATH_STR: &str = "doc/unstable-book";
@@ -85,8 +85,8 @@ fn maybe_suggest_dashes(names: &BTreeSet<String>, feature_name: &str, check: &mu
     }
 }
 
-pub fn check(path: &Path, features: CollectedFeatures, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check("unstable_book");
+pub fn check(path: &Path, features: CollectedFeatures, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check("unstable_book");
 
     let lang_features = features.lang;
     let lib_features = features
diff --git a/src/tools/tidy/src/x_version.rs b/src/tools/tidy/src/x_version.rs
index b3e322d9403f4..28fd725cd3e23 100644
--- a/src/tools/tidy/src/x_version.rs
+++ b/src/tools/tidy/src/x_version.rs
@@ -3,10 +3,10 @@ use std::process::{Command, Stdio};
 
 use semver::Version;
 
-use crate::diagnostics::{CheckId, DiagCtx};
+use crate::diagnostics::{CheckId, TidyCtx};
 
-pub fn check(root: &Path, cargo: &Path, diag_ctx: DiagCtx) {
-    let mut check = diag_ctx.start_check(CheckId::new("x_version").path(root));
+pub fn check(root: &Path, cargo: &Path, tidy_ctx: TidyCtx) {
+    let mut check = tidy_ctx.start_check(CheckId::new("x_version").path(root));
     let cargo_list = Command::new(cargo).args(["install", "--list"]).stdout(Stdio::piped()).spawn();
 
     let child = match cargo_list {