Auto merge of #12662 - Angelin01:limit-cargo-add-feature-print, r=weihanglo

Limit cargo add feature print

Author: bors

src/cargo/ops/cargo_add/mod.rs

@@ -964,16 +964,45 @@ fn print_dep_table_msg(shell: &mut Shell, dep: &DependencyUI) -> CargoResult<()>
         } else {
             "".to_owned()
         };
+
         shell.write_stderr(format_args!("{}Features{}:\n", prefix, suffix), &style::NOP)?;
+
+        const MAX_FEATURE_PRINTS: usize = 50;
+
+        let mut activated_printed = 0;
+        let total_activated = activated.len();
         for feat in activated {
+            if activated_printed >= MAX_FEATURE_PRINTS {
+                let remaining = total_activated - activated_printed;
+                shell.write_stderr(
+                    format_args!("{prefix}... {remaining} more activated features\n"),
+                    &style::NOP,
+                )?;
+                break;
+            }
+
             shell.write_stderr(&prefix, &style::NOP)?;
             shell.write_stderr('+', &style::GOOD)?;
             shell.write_stderr(format_args!(" {}\n", feat), &style::NOP)?;
+            activated_printed += 1;
         }
+
+        let mut deactivated_printed = 0;
+        let total_deactivated = deactivated.len();
         for feat in deactivated {
+            if activated_printed + deactivated_printed >= MAX_FEATURE_PRINTS {
+                let remaining = total_deactivated - deactivated_printed;
+                shell.write_stderr(
+                    format_args!("{prefix}... {remaining} more deactivated features\n"),
+                    &style::NOP,
+                )?;
+                break;
+            }
+
             shell.write_stderr(&prefix, &style::NOP)?;
             shell.write_stderr('-', &style::ERROR)?;
             shell.write_stderr(format_args!(" {}\n", feat), &style::NOP)?;
+            deactivated_printed += 1;
         }
     }
 

tests/testsuite/cargo_add/features_too_many_activated/in/Cargo.toml

@@ -0,0 +1,5 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"

tests/testsuite/cargo_add/features_too_many_activated/in/src/lib.rs

@@ -0,0 +1,38 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::prelude::*;
+use cargo_test_support::Project;
+use itertools::Itertools;
+
+use cargo_test_support::curr_dir;
+
+#[cargo_test]
+fn case() {
+    const MANY_FEATURES_COUNT: usize = 200;
+    const ACTIVATED_FEATURES_COUNT: usize = 100;
+
+    cargo_test_support::registry::init();
+    let mut test_package =
+        cargo_test_support::registry::Package::new("your-face", "99999.0.0+my-package");
+    for i in 0..MANY_FEATURES_COUNT {
+        test_package.feature(format!("eyes{i:03}").as_str(), &[]);
+    }
+    test_package.publish();
+
+    let project = Project::from_template(curr_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    let features = (0..ACTIVATED_FEATURES_COUNT)
+        .map(|i| format!("eyes{i:03}"))
+        .join(",");
+    snapbox::cmd::Command::cargo_ui()
+        .arg("add")
+        .arg_line(format!("your-face --features {features}").as_str())
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches_path(curr_dir!().join("stdout.log"))
+        .stderr_matches_path(curr_dir!().join("stderr.log"));
+
+    assert_ui().subset_matches(curr_dir!().join("out"), &project_root);
+}

tests/testsuite/cargo_add/features_too_many_activated/mod.rs

@@ -0,0 +1,8 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"
+
+[dependencies]
+your-face = { version = "99999.0.0", features = ["eyes000", "eyes001", "eyes002", "eyes003", "eyes004", "eyes005", "eyes006", "eyes007", "eyes008", "eyes009", "eyes010", "eyes011", "eyes012", "eyes013", "eyes014", "eyes015", "eyes016", "eyes017", "eyes018", "eyes019", "eyes020", "eyes021", "eyes022", "eyes023", "eyes024", "eyes025", "eyes026", "eyes027", "eyes028", "eyes029", "eyes030", "eyes031", "eyes032", "eyes033", "eyes034", "eyes035", "eyes036", "eyes037", "eyes038", "eyes039", "eyes040", "eyes041", "eyes042", "eyes043", "eyes044", "eyes045", "eyes046", "eyes047", "eyes048", "eyes049", "eyes050", "eyes051", "eyes052", "eyes053", "eyes054", "eyes055", "eyes056", "eyes057", "eyes058", "eyes059", "eyes060", "eyes061", "eyes062", "eyes063", "eyes064", "eyes065", "eyes066", "eyes067", "eyes068", "eyes069", "eyes070", "eyes071", "eyes072", "eyes073", "eyes074", "eyes075", "eyes076", "eyes077", "eyes078", "eyes079", "eyes080", "eyes081", "eyes082", "eyes083", "eyes084", "eyes085", "eyes086", "eyes087", "eyes088", "eyes089", "eyes090", "eyes091", "eyes092", "eyes093", "eyes094", "eyes095", "eyes096", "eyes097", "eyes098", "eyes099"] }

tests/testsuite/cargo_add/features_too_many_activated/out/Cargo.toml

@@ -0,0 +1,55 @@
+    Updating `dummy-registry` index
+      Adding your-face v99999.0.0 to dependencies.
+             Features:
+             + eyes000
+             + eyes001
+             + eyes002
+             + eyes003
+             + eyes004
+             + eyes005
+             + eyes006
+             + eyes007
+             + eyes008
+             + eyes009
+             + eyes010
+             + eyes011
+             + eyes012
+             + eyes013
+             + eyes014
+             + eyes015
+             + eyes016
+             + eyes017
+             + eyes018
+             + eyes019
+             + eyes020
+             + eyes021
+             + eyes022
+             + eyes023
+             + eyes024
+             + eyes025
+             + eyes026
+             + eyes027
+             + eyes028
+             + eyes029
+             + eyes030
+             + eyes031
+             + eyes032
+             + eyes033
+             + eyes034
+             + eyes035
+             + eyes036
+             + eyes037
+             + eyes038
+             + eyes039
+             + eyes040
+             + eyes041
+             + eyes042
+             + eyes043
+             + eyes044
+             + eyes045
+             + eyes046
+             + eyes047
+             + eyes048
+             + eyes049
+             ... 50 more activated features
+             ... 100 more deactivated features

tests/testsuite/cargo_add/features_too_many_activated/stderr.log

@@ -0,0 +1,5 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"

tests/testsuite/cargo_add/features_too_many_activated/stdout.log

@@ -0,0 +1,38 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::prelude::*;
+use cargo_test_support::Project;
+use itertools::Itertools;
+
+use cargo_test_support::curr_dir;
+
+#[cargo_test]
+fn case() {
+    const MANY_FEATURES_COUNT: usize = 200;
+    const ACTIVATED_FEATURES_COUNT: usize = 10;
+
+    cargo_test_support::registry::init();
+    let mut test_package =
+        cargo_test_support::registry::Package::new("your-face", "99999.0.0+my-package");
+    for i in 0..MANY_FEATURES_COUNT {
+        test_package.feature(format!("eyes{i:03}").as_str(), &[]);
+    }
+    test_package.publish();
+
+    let project = Project::from_template(curr_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    let features = (0..ACTIVATED_FEATURES_COUNT)
+        .map(|i| format!("eyes{i:03}"))
+        .join(",");
+    snapbox::cmd::Command::cargo_ui()
+        .arg("add")
+        .arg_line(format!("your-face --features {features}").as_str())
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches_path(curr_dir!().join("stdout.log"))
+        .stderr_matches_path(curr_dir!().join("stderr.log"));
+
+    assert_ui().subset_matches(curr_dir!().join("out"), &project_root);
+}