fix: always display the absolute path in the warning

Author: 0xPoe

src/cargo/ops/cargo_install.rs

@@ -777,14 +777,20 @@ pub fn install(
     if installed_anything {
         // Print a warning that if this directory isn't in PATH that they won't be
         // able to run these commands.
+        let cwd = gctx.cwd();
+        let dst_abs = if dst.is_absolute() {
+            paths::normalize_path(dst.as_path())
+        } else {
+            paths::normalize_path(&cwd.join(&dst))
+        };
         let path = gctx.get_env_os("PATH").unwrap_or_default();
         let dst_in_path = env::split_paths(&path).any(|path| path == dst);
 
         if !dst_in_path {
             gctx.shell().warn(&format!(
                 "be sure to add `{}` to your PATH to be \
              able to run the installed binaries",
-                dst.display()
+                dst_abs.display()
             ))?;
         }
     }

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] 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();