fix: display the absolute path in the warning

Author: 0xPoe

src/cargo/ops/cargo_install.rs

@@ -663,7 +663,15 @@ pub fn install(
     lockfile_path: Option<&Path>,
 ) -> CargoResult<()> {
     let root = resolve_root(root, gctx)?;
+    // Normalize to absolute path for consistency throughout.
+    // See: https://github.com/rust-lang/cargo/issues/16023
     let dst = root.join("bin").into_path_unlocked();
+    let cwd = gctx.cwd();
+    let dst = if dst.is_absolute() {
+        paths::normalize_path(dst.as_path())
+    } else {
+        paths::normalize_path(&cwd.join(&dst))
+    };
     let map = SourceConfigMap::new(gctx)?;
 
     let current_rust_version = if opts.honor_rust_version.unwrap_or(true) {

tests/testsuite/install.rs

@@ -527,7 +527,7 @@ fn relative_install_location_without_trailing_slash() {
 [FINISHED] `release` profile [optimized] target(s) in [ELAPSED]s
 [INSTALLING] [ROOT]/foo/t1/bin/foo[EXE]
 [INSTALLED] package `foo v0.0.1 ([ROOT]/foo)` (executable `foo[EXE]`)
-[WARNING] be sure to add `t1/bin` to your PATH to be able to run the installed binaries
+[WARNING] be sure to add `[ROOT]/foo/t1/bin` to your PATH to be able to run the installed binaries
 
 "#]])
         .run();
@@ -607,7 +607,6 @@ fn relative_install_location_with_path_set() {
 [FINISHED] `release` profile [optimized] target(s) in [ELAPSED]s
 [INSTALLING] [ROOT]/foo/t1/bin/foo[EXE]
 [INSTALLED] package `foo v0.0.1 ([ROOT]/foo)` (executable `foo[EXE]`)
-[WARNING] be sure to add `t1/bin` to your PATH to be able to run the installed binaries
 
 "#]])
         .run();