improve validation script

Author: WilliamBergamin

scripts/format.sh

@@ -5,7 +5,6 @@ script_dir=`dirname $0`
 cd ${script_dir}/..
 
 if [[ "$1" != "--no-install" ]]; then
-    export PIP_REQUIRE_VIRTUALENV=1
     pip install -U pip
     pip install -U -r requirements/tools.txt
 fi

scripts/run_validation.sh

@@ -11,16 +11,20 @@ current_py=$(python --version | sed -E 's/Python ([0-9]+\.[0-9]+).*/\1/')
 
 ./scripts/install.sh
 
-echo "Generating code ..." && python scripts/codegen.py --path .
-echo "Running black (code formatter) ..." && ./scripts/format.sh --no-install
-
-echo "Running linting checks ..." && ./scripts/lint.sh --no-install
+set -e
 
-echo "Running tests with coverage reporting ..."
-test_target="${1:-tests/}"
-PYTHONPATH=$PWD:$PYTHONPATH pytest --cov-report=xml --cov=slack_sdk/ $test_target
+echo "Generating code ..." && python scripts/codegen.py --path .
 
 # Run mypy type checking only on the latest supported Python version
 if [[ "$current_py" == "$LATEST_SUPPORTED_PY" ]]; then
+    echo "Running black (code formatter) ..." && ./scripts/format.sh --no-install
+    echo "Running linting checks ..." && ./scripts/lint.sh --no-install
     echo "Running mypy type checking ..." && ./scripts/run_mypy.sh --no-install
+else
+    echo "Skipping formatting, linting, and type checking (current Python: $current_py, required: $LATEST_SUPPORTED_PY)"
 fi
+
+
+echo "Running tests with coverage reporting ..."
+test_target="${1:-tests/}"
+PYTHONPATH=$PWD:$PYTHONPATH pytest --cov-report=xml --cov=slack_sdk/ $test_target