new: Add pre-commit

.pre-commit-config.yaml

@@ -0,0 +1,28 @@
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.1.0
+  hooks:
+  - id: check-yaml
+  - id: trailing-whitespace
+  - id: mixed-line-ending
+- repo: https://github.com/psf/black
+  rev: 22.3.0
+  hooks:
+  - id: black
+- repo: https://github.com/iterative/dvc
+  rev: 2.10.0
+  hooks:
+  - id: dvc-pre-commit
+    language_version: python3
+    stages:
+    - commit
+  - id: dvc-pre-push
+    additional_dependencies: ['.[s3]']
+    language_version: python3
+    stages:
+    - push
+  - id: dvc-post-checkout
+    language_version: python3
+    stages:
+    - post-checkout
+    always_run: true

Makefile

@@ -19,7 +19,7 @@ $(VIRTUALENV)/.installed: requirements.txt
 	virtualenv --python $(PYTHON_VERSION) $(VIRTUALENV)
 	$(VIRTUALENV)/bin/pip3 install -r requirements.txt
 	$(VIRTUALENV)/bin/pip3 install -r requirements_dev.txt
-	#${VIRTUALENV}/bin/pre-commit install --hook-type pre-push --hook-type post-checkout --hook-type pre-commit
+	${VIRTUALENV}/bin/pre-commit install --hook-type pre-push --hook-type post-checkout --hook-type pre-commit
 	touch $@
 
 # Update the requirements to latest. This is required because typically we won't