Sweep unrelated message from unnecessary workspace infromation

src/bin/cargo/commands/install.rs

@@ -81,17 +81,6 @@ pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
         config.reload_rooted_at(config.home().clone().into_path_unlocked())?;
     }
 
-    let workspace = args.workspace(config).ok();
-    let mut compile_opts = args.compile_options(
-        config,
-        CompileMode::Build,
-        workspace.as_ref(),
-        ProfileChecking::Checked,
-    )?;
-
-    compile_opts.build_config.requested_profile =
-        args.get_profile_name(config, "release", ProfileChecking::Checked)?;
-
     let krates = args
         .values_of("crate")
         .unwrap_or_default()
@@ -127,6 +116,26 @@ pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let version = args.value_of("version");
     let root = args.value_of("root");
 
+    // We only provide worksapce information for local crate installation from
+    // one of the following sources:
+    // - From current working directory (only work for edition 2015).
+    // - From a specific local file path.
+    let workspace = if from_cwd || args.is_present("path") {
+        args.workspace(config).ok()
+    } else {
+        None
+    };
+
+    let mut compile_opts = args.compile_options(
+        config,
+        CompileMode::Build,
+        workspace.as_ref(),
+        ProfileChecking::Checked,
+    )?;
+
+    compile_opts.build_config.requested_profile =
+        args.get_profile_name(config, "release", ProfileChecking::Checked)?;
+
     if args.is_present("list") {
         ops::install_list(root, config)?;
     } else {

tests/testsuite/install.rs

@@ -1587,3 +1587,68 @@ fn install_yanked_cargo_package() {
         )
         .run();
 }
+
+#[cargo_test]
+fn install_cargo_package_in_a_patched_workspace() {
+    pkg("foo", "0.1.0");
+    pkg("fizz", "1.0.0");
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "bar"
+            version = "0.1.0"
+            authors = []
+
+            [workspace]
+            members = ["baz"]
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .file(
+            "baz/Cargo.toml",
+            r#"
+            [package]
+            name = "baz"
+            version = "0.1.0"
+            authors = []
+
+            [dependencies]
+            fizz = "1"
+
+            [patch.crates-io]
+            fizz = { version = "=1.0.0" }
+        "#,
+        )
+        .file("baz/src/lib.rs", "")
+        .build();
+
+    let stderr = "\
+[WARNING] patch for the non root package will be ignored, specify patch at the workspace root:
+package:   [..]/foo/baz/Cargo.toml
+workspace: [..]/foo/Cargo.toml
+";
+    p.cargo("check").with_stderr_contains(&stderr).run();
+
+    // A crate installation must not emit any message from a workspace under
+    // current working directory.
+    // See https://github.com/rust-lang/cargo/issues/8619
+    p.cargo("install foo")
+        .with_stderr(
+            "\
+[UPDATING] `[..]` index
+[DOWNLOADING] crates ...
+[DOWNLOADED] foo v0.1.0 (registry [..])
+[INSTALLING] foo v0.1.0
+[COMPILING] foo v0.1.0
+[FINISHED] release [optimized] target(s) in [..]
+[INSTALLING] [..]foo[EXE]
+[INSTALLED] package `foo v0.1.0` (executable `foo[EXE]`)
+[WARNING] be sure to add `[..]` to your PATH to be able to run the installed binaries
+",
+        )
+        .run();
+    assert_has_installed_exe(cargo_home(), "foo");
+}