better manual control over linting and testing (#2338)

* better manual control over linting and testing

* hide set -x behind VERBOSE

discovery-provider/scripts/lint.sh

@@ -1,10 +1,20 @@
-set -e
+#!/usr/bin/env bash
+
+if [ -n "${FIX_LINT}" ]; then
+  ISORT_FLAG=
+  BLACK_FLAG=
+else
+  ISORT_FLAG='--check-only'
+  BLACK_FLAG='--check'
+fi
+
+set -ex
 
 cd $PROTOCOL_DIR
 flake8 discovery-provider/src/
 flake8 discovery-provider/integration_tests/
-isort --check-only discovery-provider/src/
-isort --check-only discovery-provider/integration_tests/
-black --check discovery-provider/src/
-black --check discovery-provider/integration_tests/
+isort ${ISORT_FLAG} discovery-provider/src/
+isort ${ISORT_FLAG} discovery-provider/integration_tests/
+black ${BLACK_FLAG} discovery-provider/src/
+black ${BLACK_FLAG} discovery-provider/integration_tests/
 mypy --ignore-missing-imports --follow-imports=silent --show-column-numbers discovery-provider/src/

discovery-provider/scripts/test.sh

@@ -21,6 +21,9 @@ set -e
 pip3 install -r requirements.txt
 sleep 5
 set +e
+if [ -n "${VERBOSE}" ]; then
+  set -x
+fi
 
 # Reset local blockchain for deterministic test results
 cd_contracts_repo
@@ -66,8 +69,10 @@ docker-compose \
 
 sleep 5
 
-# Unit tests
-pytest src
+if [ -z ${SKIP_TESTS+x} ]; then
+  # Unit tests
+  pytest src
 
-# Integration tests
-pytest integration_tests
+  # Integration tests
+  pytest integration_tests
+fi

service-commands/scripts/provision-dev-env.sh

@@ -67,7 +67,9 @@ function setup_postgres() {
 function setup_python() {
     sudo add-apt-repository ppa:deadsnakes/ppa # python3.9 installation
     sudo apt install -y "python$PYTHON_VERSION"
+    sudo apt install -y "python$PYTHON_VERSION-dev"
     pip install wheel
+    pip install pre-commit==2.16.0
 }
 
 function setup_docker() {