fix(doc): Collapse down Generated statuses without --verbose

Fixes #13336

Author: epage

src/cargo/ops/cargo_doc.rs

@@ -1,5 +1,5 @@
 use crate::core::compiler::{Compilation, CompileKind};
-use crate::core::{Shell, Workspace};
+use crate::core::{shell::Verbosity, Shell, Workspace};
 use crate::ops;
 use crate::util::context::{GlobalContext, PathAndArgs};
 use crate::util::CargoResult;
@@ -77,7 +77,7 @@ pub fn doc(ws: &Workspace<'_>, options: &DocOptions) -> CargoResult<()> {
             )?;
             open_docs(&path, &mut shell, config_browser, ws.gctx())?;
         }
-    } else {
+    } else if ws.gctx().shell().verbosity() == Verbosity::Verbose {
         for name in &compilation.root_crate_names {
             for kind in &options.compile_opts.build_config.requested_kinds {
                 let path =
@@ -92,6 +92,36 @@ pub fn doc(ws: &Workspace<'_>, options: &DocOptions) -> CargoResult<()> {
                 }
             }
         }
+    } else {
+        let mut output = compilation.root_crate_names.iter().flat_map(|name| {
+            options
+                .compile_opts
+                .build_config
+                .requested_kinds
+                .iter()
+                .map(|kind| path_by_output_format(&compilation, kind, name, &options.output_format))
+                .filter(|path| path.exists())
+        });
+        if let Some(first_path) = output.next() {
+            let remaining = output.count();
+            let remaining = match remaining {
+                0 => "".to_owned(),
+                1 => " and 1 other file".to_owned(),
+                n => format!(" and {n} other files"),
+            };
+
+            let mut shell = ws.gctx().shell();
+            let link = shell.err_file_hyperlink(&first_path);
+            shell.status(
+                "Generated",
+                format!(
+                    "{}{}{}{remaining}",
+                    link.open(),
+                    first_path.display(),
+                    link.close()
+                ),
+            )?;
+        }
     }
 
     Ok(())

tests/testsuite/collisions.rs

@@ -561,8 +561,7 @@ the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
 [DOCUMENTING] foo-macro v1.0.0 [..]
 [DOCUMENTING] abc v1.0.0 [..]
 [FINISHED] [..]
-[GENERATED] [CWD]/target/doc/abc/index.html
-[GENERATED] [CWD]/target/doc/foo_macro/index.html
+[GENERATED] [CWD]/target/doc/abc/index.html and 1 other file
 ")
         .run();
 }

tests/testsuite/doc.rs

@@ -309,8 +309,7 @@ the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
 [DOCUMENTING] bar v0.1.0 ([ROOT]/foo/bar)
 [DOCUMENTING] foo v0.1.0 ([ROOT]/foo/foo)
 [FINISHED] [..]
-[GENERATED] [CWD]/target/doc/foo_lib/index.html
-[GENERATED] [CWD]/target/doc/foo_lib/index.html
+[GENERATED] [CWD]/target/doc/foo_lib/index.html and 1 other file
 ",
         )
         .run();
@@ -658,8 +657,7 @@ fn doc_lib_bin_example_same_name_documents_examples_when_requested() {
 [CHECKING] foo v0.0.1 ([CWD])
 [DOCUMENTING] foo v0.0.1 ([CWD])
 [FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [..]
-[GENERATED] [CWD]/target/doc/ex1/index.html
-[GENERATED] [CWD]/target/doc/ex2/index.html
+[GENERATED] [CWD]/target/doc/ex1/index.html and 1 other file
 ",
         )
         .run();
@@ -1189,8 +1187,7 @@ fn doc_all_workspace() {
         .with_stderr_contains("[DOCUMENTING] bar v0.1.0 ([..])")
         .with_stderr_contains("[CHECKING] bar v0.1.0 ([..])")
         .with_stderr_contains("[DOCUMENTING] foo v0.1.0 ([..])")
-        .with_stderr_contains("[GENERATED] [CWD]/target/doc/bar/index.html")
-        .with_stderr_contains("[GENERATED] [CWD]/target/doc/foo/index.html")
+        .with_stderr_contains("[GENERATED] [CWD]/target/doc/bar/index.html and 1 other file")
         .run();
 }