fix(info): default to local without explicit reg

When no registry is specified in the cargo info command,
default to using the local crates.io registry.

Author: 0xPoe

src/bin/cargo/commands/info.rs

@@ -29,7 +29,9 @@ pub fn exec(gctx: &mut GlobalContext, args: &ArgMatches) -> CliResult {
     let spec = PackageIdSpec::parse(package)
         .with_context(|| format!("invalid package ID specification: `{package}`"))?;
 
+    // Check if --registry or --index was explicitly provided
+    let explicit_registry = args._contains("registry") || args._contains("index");
     let reg_or_index = args.registry_or_index(gctx)?;
-    info(&spec, gctx, reg_or_index)?;
+    info(&spec, gctx, reg_or_index, explicit_registry)?;
     Ok(())
 }

src/cargo/ops/registry/info/mod.rs

@@ -20,6 +20,7 @@ pub fn info(
     spec: &PackageIdSpec,
     gctx: &GlobalContext,
     reg_or_index: Option<RegistryOrIndex>,
+    explicit_registry: bool,
 ) -> CargoResult<()> {
     let source_config = SourceConfigMap::new(gctx)?;
     let mut registry = PackageRegistry::new_with_source_config(gctx, source_config)?;
@@ -39,8 +40,17 @@ pub fn info(
             .and_then(|path| ws.members().find(|p| p.manifest_path() == path))
     });
     let (mut package_id, is_member) = find_pkgid_in_ws(nearest_package, ws.as_ref(), spec);
+
+    // If a local package exists and no explicit registry/index was provided,
+    // prefer the local package over the default registry
+    let reg_or_index_to_use = if package_id.is_some() && !explicit_registry {
+        None
+    } else {
+        reg_or_index.as_ref()
+    };
+
     let (use_package_source_id, source_ids) =
-        get_source_id_with_package_id(gctx, package_id, reg_or_index.as_ref())?;
+        get_source_id_with_package_id(gctx, package_id, reg_or_index_to_use)?;
     // If we don't use the package's source, we need to query the package ID from the specified registry.
     if !use_package_source_id {
         package_id = None;

tests/testsuite/cargo_info/with_default_registry_configured/mod.rs

@@ -16,9 +16,9 @@ fn case() {
         .arg_line("--verbose foo")
         .current_dir(cwd)
         .assert()
-        .failure()
-        .stdout_eq("")
-        .stderr_eq(file!["stderr.term.svg"]);
+        .success()
+        .stdout_eq(file!["stdout.term.svg"])
+        .stderr_eq("");
 
     assert_ui().subset_matches(current_dir!().join("out"), &project_root);
 }