feat: Add specific directories to .gitignore

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Forge
+
+#### Added
+
+- `snforge new` now adds the `snfoundry_trace`, `coverage`, and `profile` directories to `.gitignore`.
+
 ## [0.37.0] - 2025-02-03
 
 ### Forge

crates/forge/src/new.rs

@@ -171,6 +171,9 @@ fn extend_gitignore(path: &Path) -> Result<()> {
             .append(true)
             .open(path.join(".gitignore"))?;
         writeln!(file, ".snfoundry_cache/")?;
+        writeln!(file, "snfoundry_trace/")?;
+        writeln!(file, "coverage/")?;
+        writeln!(file, "profile/")?;
     }
     Ok(())
 }

crates/forge/tests/e2e/running.rs

@@ -1163,3 +1163,32 @@ fn call_nonexistent_selector() {
         "},
     );
 }
+
+#[test]
+fn create_new_project_and_check_gitignore() {
+    let temp = tempdir_with_tool_versions().unwrap();
+    let project_path = temp.join("project");
+
+    runner(&temp)
+        .args(["new", "--name", "test_name"])
+        .arg(&project_path)
+        .assert()
+        .success();
+
+    let gitignore_path = project_path.join(".gitignore");
+    assert!(gitignore_path.exists(), ".gitignore file should exist");
+
+    let gitignore_content = fs::read_to_string(gitignore_path).unwrap();
+
+    let expected_gitignore_content = indoc! {
+        r"
+        target
+        .snfoundry_cache/
+        snfoundry_trace/
+        coverage/
+        profile/
+        "
+    };
+
+    assert_eq!(gitignore_content, expected_gitignore_content);
+}