WIP

tests/testsuite/profile_trim_paths.rs

@@ -446,3 +446,60 @@ warning: unused variable: `unused`
         )
         .run();
 }
+
+#[cfg(target_os = "linux")]
+#[cargo_test(requires_strings, nightly, reason = "-Zremap-path-scope is unstable")]
+fn registry_dependency() {
+    Package::new("bar", "0.0.1")
+        .file("Cargo.toml", &basic_manifest("bar", "0.0.1"))
+        .file("src/lib.rs", r#"pub fn f() { println!("{}", file!()); }"#)
+        .publish();
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+
+                [dependencies]
+                bar = "0.0.1"
+
+                [profile.dev]
+                trim-paths = "object"
+           "#,
+        )
+        .file("src/main.rs", "fn main() { bar::f(); }")
+        .build();
+
+    let registry_src = paths::home().join(".cargo/registry/src");
+    let pkg_remap = format!("{}/[..]/bar-0.0.1=bar-0.0.1", registry_src.display());
+
+    p.cargo("build --verbose -Ztrim-paths")
+        .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+        .with_stdout("bar-0.0.1/src/lib.rs")
+        .with_stderr(&format!(
+            "\
+[UPDATING] [..]
+[DOWNLOADING] crates ...
+[DOWNLOADED] bar v0.0.1 ([..])
+[COMPILING] bar v0.0.1
+[RUNNING] `rustc [..]\
+    -Zremap-path-scope=object \
+    --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+    --remap-path-prefix={pkg_remap} [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+    -Zremap-path-scope=object \
+    --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+    --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]",
+        ))
+        .run();
+
+    let executable = p.bin("foo");
+    assert!(executable.is_file());
+
+    std::process::Command::new("strings")
+
+}