diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 694caaf..ca5b756 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,6 +33,8 @@ jobs:
       - run: git fetch origin main
       - run: pre-commit run --from-ref origin/main --to-ref HEAD
       - run: hatch fmt --check
+      - run: hatch version
+      - run: hatch build
       - run: hatch test --all
 
   coverage:
@@ -41,10 +43,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.11
           cache: pip
       - run: pip install hatch
-      - run: hatch test --cover
+      - run: hatch test -py 3.11 --cover
       - uses: codecov/codecov-action@v4.5.0
         with:
           verbose: true
diff --git a/.gitignore b/.gitignore
index d5558f4..64c2e48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@ __pycache__
 /dist
 
 #coverage reports
-/.coverage
+/.coverage*
 /coverage.xml
 
 #auto-generated
diff --git a/README.md b/README.md
index 9bb649b..a35a716 100644
--- a/README.md
+++ b/README.md
@@ -259,12 +259,15 @@ hatch test
 hatch test --all
 
 # sometimes working DBT project is required to verify user experience
-hatch run scripts/generate.py
+hatch run scripts/generate.py --help
+# to generate DBT project with 100 models
+hatch run scripts/generate.py 100
 hatch run dbt build
 
 # to validate dbt-pumpkin output visually (on test project generated above)
-hatch run +dbt=1.8 dbt-pumpkin synchronize
-hatch run +dbt=1.9 dbt-pumpkin synchronize
+hatch run +dbt=1.8 test:dbt-pumpkin synchronize
+hatch run +dbt=1.9 test:dbt-pumpkin synchronize
+hatch run test:dbt-pumpkin bootstrap --dry-run
 ```
 
 ## Troubleshooting
diff --git a/pyproject.toml b/pyproject.toml
index 20661dd..f58aaa1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,6 +39,21 @@ artifacts = ["dbt_pumpkin/version.py"]
 path = "dbt_pumpkin/version.py"
 
 [tool.hatch.envs.default]
+dependencies = [
+  "pytest",
+  "dbt-core~=1.9.0",
+  "dbt-duckdb~=1.9.0"
+]
+python = "3.12"
+
+[tool.hatch.envs.default.env-vars]
+EXPECTED_PYTHON_VERSION = "3.12"
+EXPECTED_DBT_VERSION = "1.9"
+DBT_PROJECT_DIR = ".dbt_project"
+DBT_PROFILES_DIR = ".dbt_project"
+
+[tool.hatch.envs.test]
+python = "3.11"
 dependencies = [
   "pytest",
   "dbt-core~={matrix:dbt}.0",
@@ -46,19 +61,14 @@ dependencies = [
 ]
 installer = "uv"
 
-[tool.hatch.envs.default.env-vars]
-EXPECTED_PYTHON_VERSION = "{matrix:python}"
+[tool.hatch.envs.test.env-vars]
+EXPECTED_PYTHON_VERSION = "3.11"
 EXPECTED_DBT_VERSION = "{matrix:dbt}"
 DBT_PROJECT_DIR = ".dbt_project"
 DBT_PROFILES_DIR = ".dbt_project"
 
-[[tool.hatch.envs.default.matrix]]
-python = ["3.12"]
-dbt = ["1.8", "1.9"]
-
-[[tool.hatch.envs.default.matrix]]
-python = ["3.11"]
-dbt = ["1.5", "1.6", "1.7"]
+[[tool.hatch.envs.test.matrix]]
+dbt = ["1.5", "1.6", "1.7", "1.8", "1.9"]
 
 [tool.hatch.envs.hatch-test]
 extra-dependencies = [
diff --git a/scripts/generate.py b/scripts/generate.py
index bc4b9f4..782e153 100644
--- a/scripts/generate.py
+++ b/scripts/generate.py
@@ -1,42 +1,87 @@
 # /// script
 # requires-python = ">=3.9"
+# dependencies = [
+#   "click",
+# ]
 # ///
-
+import pathlib
+import shutil
+import textwrap
 from pathlib import Path
 
-project_dir: Path = Path(__file__, "../../.dbt_project").resolve()
-
-print(f"Will generate DBT project at {project_dir}")
-
-project_dir.mkdir(parents=True, exist_ok=True)
-
-(project_dir / "dbt_project.yml").write_text("""\
-name: my_pumpkin
-version: 1.0.0
-profile: test_pumpkin
-models:
-  my_pumpkin:
-    +dbt-pumpkin-path: "_schema/{name}.yml"
-""")
-
-(project_dir / "profiles.yml").write_text(f"""\
-test_pumpkin:
-  target: test
-  outputs:
-    test:
-      # Comment to stop formatting in 1 line
-      type: duckdb
-      path: {project_dir}/test.duckdb
-      threads: 8
-""")
-
-models_dir = project_dir / "models"
-models_dir.mkdir(parents=True, exist_ok=True)
-
-for i in range(1, 1000):
-    model_path = models_dir / f"model_{i}.sql"
-    model_path.write_text("""\
-        select 1 as id
+import click
+
+
+@click.command
+@click.option(
+    "--project-dir",
+    envvar="DBT_PROJECT_DIR",
+    default=".dbt_project",
+    type=click.Path(path_type=pathlib.Path, resolve_path=True),
+)
+@click.option(
+    "--profiles-dir",
+    envvar="DBT_PROFILES_DIR",
+    default=".dbt_project",
+    type=click.Path(path_type=pathlib.Path, resolve_path=True),
+)
+@click.option("--keep", is_flag=True, default=False, show_default=True, help="Don't prune project dir")
+@click.argument("models", default=10, type=int)
+def cli(*_, project_dir: Path, profiles_dir: Path, keep: bool, models: int):
+    """
+    Generates simple DBT project which can be used for manual testing of dbt-pumpkin output
+    """
+
+    print(f"Will generate DBT project at {project_dir}")
+
+    if not keep and project_dir.exists():
+        shutil.rmtree(project_dir)
+
+    project_dir.mkdir(parents=True, exist_ok=True)
+
+    (project_dir / "dbt_project.yml").write_text(
+        textwrap.dedent("""\
+        name: my_pumpkin
+        version: 1.0.0
+        profile: test_pumpkin
+        models:
+          my_pumpkin:
+            +dbt-pumpkin-path: "_schema/{name}.yml"
+    """)
+    )
+
+    print(f"Will generate DBT profiles at {profiles_dir}")
+
+    (profiles_dir / "profiles.yml").write_text(
+        textwrap.dedent(f"""\
+        test_pumpkin:
+          target: test
+          outputs:
+            test:
+              # Comment to stop formatting in 1 line
+              type: duckdb
+              path: {project_dir}/test.duckdb
+              threads: 8
     """)
+    )
+
+    models_dir = project_dir / "models"
+    models_dir.mkdir(parents=True, exist_ok=True)
+
+    for i in range(1, models + 1):
+        model_path = models_dir / f"model_{i}.sql"
+        model_path.write_text(
+            textwrap.dedent("""\
+            select 1 as id
+        """)
+        )
+
+    print("Generated")
+
+
+def main():
+    cli()
+
 
-print("Generated")
+if __name__ == "__main__":
+    main()