update xshell to 0.2 (bevyengine#4789)

# Objective

- Update xshell to 0.2 in ci tool
- Replace bevyengine#4205

tools/ci/Cargo.toml

@@ -7,5 +7,5 @@ publish = false
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-xshell = "0.1"
+xshell = "0.2"
 bitflags = "1.3"

tools/ci/src/main.rs

@@ -1,4 +1,4 @@
-use xshell::{cmd, pushd};
+use xshell::{cmd, Shell};
 
 use bitflags::bitflags;
 
@@ -39,71 +39,75 @@ fn main() {
         _ => Check::all(),
     };
 
+    let sh = Shell::new().unwrap();
+
     if what_to_run.contains(Check::FORMAT) {
         // See if any code needs to be formatted
-        cmd!("cargo fmt --all -- --check")
+        cmd!(sh, "cargo fmt --all -- --check")
             .run()
             .expect("Please run 'cargo fmt --all' to format your code.");
     }
 
     if what_to_run.contains(Check::CLIPPY) {
         // See if clippy has any complaints.
         // - Type complexity must be ignored because we use huge templates for queries
-        cmd!("cargo clippy --workspace --all-targets --all-features -- -A clippy::type_complexity -W clippy::doc_markdown -D warnings")
+        cmd!(sh, "cargo clippy --workspace --all-targets --all-features -- -A clippy::type_complexity -W clippy::doc_markdown -D warnings")
         .run()
         .expect("Please fix clippy errors in output above.");
     }
 
     if what_to_run.contains(Check::COMPILE_FAIL) {
         // Run UI tests (they do not get executed with the workspace tests)
         // - See crates/bevy_ecs_compile_fail_tests/README.md
-        let _bevy_ecs_compile_fail_tests = pushd("crates/bevy_ecs_compile_fail_tests")
-            .expect("Failed to navigate to the 'bevy_ecs_compile_fail_tests' crate");
-        cmd!("cargo test --target-dir ../../target")
+        let _subdir = sh.push_dir("crates/bevy_ecs_compile_fail_tests");
+        cmd!(sh, "cargo test --target-dir ../../target")
             .run()
             .expect("Compiler errors of the ECS compile fail tests seem to be different than expected! Check locally and compare rust versions.");
     }
 
     if what_to_run.contains(Check::TEST) {
         // Run tests (except doc tests and without building examples)
-        cmd!("cargo test --workspace --lib --bins --tests --benches")
+        cmd!(sh, "cargo test --workspace --lib --bins --tests --benches")
             .run()
             .expect("Please fix failing tests in output above.");
     }
 
     if what_to_run.contains(Check::DOC_TEST) {
         // Run doc tests
-        cmd!("cargo test --workspace --doc")
+        cmd!(sh, "cargo test --workspace --doc")
             .run()
             .expect("Please fix failing doc-tests in output above.");
     }
 
     if what_to_run.contains(Check::DOC_CHECK) {
         // Check that building docs work and does not emit warnings
         std::env::set_var("RUSTDOCFLAGS", "-D warnings");
-        cmd!("cargo doc --workspace --all-features --no-deps --document-private-items")
-            .run()
-            .expect("Please fix doc warnings in output above.");
+        cmd!(
+            sh,
+            "cargo doc --workspace --all-features --no-deps --document-private-items"
+        )
+        .run()
+        .expect("Please fix doc warnings in output above.");
     }
 
     if what_to_run.contains(Check::COMPILE_FAIL) {
+        let _subdir = sh.push_dir("benches");
         // Check that benches are building
-        let _benches = pushd("benches").expect("Failed to navigate to the 'benches' folder");
-        cmd!("cargo check --benches --target-dir ../target")
+        cmd!(sh, "cargo check --benches --target-dir ../target")
             .run()
             .expect("Failed to check the benches.");
     }
 
     if what_to_run.contains(Check::EXAMPLE_CHECK) {
         // Build examples and check they compile
-        cmd!("cargo check --workspace --examples")
+        cmd!(sh, "cargo check --workspace --examples")
             .run()
             .expect("Please fix failing doc-tests in output above.");
     }
 
     if what_to_run.contains(Check::COMPILE_CHECK) {
         // Build examples and check they compile
-        cmd!("cargo check --workspace")
+        cmd!(sh, "cargo check --workspace")
             .run()
             .expect("Please fix failing doc-tests in output above.");
     }