fix: default to all targets when using --edition and --edition-idioms in cargo fix

Signed-off-by: Rustin170506 <techregister@pm.me>

Author: 0xPoe

src/bin/cargo/commands/fix.rs

@@ -81,8 +81,11 @@ pub fn exec(gctx: &mut GlobalContext, args: &ArgMatches) -> CliResult {
 
     let mut opts = args.compile_options(gctx, mode, Some(&ws), ProfileChecking::LegacyTestOnly)?;
 
-    if !opts.filter.is_specific() {
-        // cargo fix with no target selection implies `--all-targets`.
+    let edition = args.flag("edition") || args.flag("edition-idioms");
+    if !opts.filter.is_specific() && edition {
+        // When `cargo fix` is run without specifying targets but with `--edition` or `--edition-idioms`,
+        // it should default to fixing all targets.
+        // See: https://github.com/rust-lang/cargo/issues/13527
         opts.filter = ops::CompileFilter::new_all_targets();
     }
 

tests/testsuite/fix.rs

@@ -805,7 +805,7 @@ fn does_not_warn_about_dirty_ignored_files() {
 }
 
 #[cargo_test]
-fn fix_all_targets_by_default() {
+fn do_not_fix_tests_by_default() {
     let p = project()
         .file("src/lib.rs", "pub fn foo() { let mut x = 3; let _ = x; }")
         .file("tests/foo.rs", "pub fn foo() { let mut x = 3; let _ = x; }")
@@ -814,7 +814,7 @@ fn fix_all_targets_by_default() {
         .env("__CARGO_FIX_YOLO", "1")
         .run();
     assert!(!p.read_file("src/lib.rs").contains("let mut x"));
-    assert!(!p.read_file("tests/foo.rs").contains("let mut x"));
+    assert!(p.read_file("tests/foo.rs").contains("let mut x"));
 }
 
 #[cargo_test]
@@ -1424,7 +1424,7 @@ fn fix_to_broken_code() {
     p.cargo("build").cwd("foo").run();
 
     // Attempt to fix code, but our shim will always fail the second compile
-    p.cargo("fix --allow-no-vcs --broken-code")
+    p.cargo("fix --all-targets --allow-no-vcs --broken-code")
         .cwd("bar")
         .env("RUSTC", p.root().join("foo/target/debug/foo"))
         .with_status(101)