python-docs-samples/.github/scripts/lint-changed.sh at main · Reality2byte/python-docs-samples · GitHub

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#!/usr/bin/env bash

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

set -euo pipefail

EVENT_NAME="${1:-local}"

BASE_REF="${2:-main}"

echo "Configuring target diff for event: $EVENT_NAME"

# Determine the target reference to diff against

if [ "$EVENT_NAME" = "pull_request" ]; then

echo "Fetching origin/$BASE_REF metadata..."

# Ensure we have the target branch metadata fetched.

git fetch origin "$BASE_REF" --depth=1 --quiet

# Isolate to only changes in the PR

DIFF_COMMAND="origin/$BASE_REF..."

else

# Local fallback

# diff against local main branch.

echo "Running locally. Diffing against local $BASE_REF..."

DIFF_COMMAND="$BASE_REF"

# Gather modified/added Python files, explicitly ignoring deleted files via --diff-filter=d

DIFF_OUTPUT=$(git diff --name-only --diff-filter=d "$DIFF_COMMAND" -- '*.py' 2>/dev/null || true)

if [ -n "$DIFF_OUTPUT" ]; then

mapfile -t CHANGED_FILES <<< "$DIFF_OUTPUT"

else

CHANGED_FILES=()

# Execute linters if changed Python files exist

if [ ${#CHANGED_FILES[@]} -gt 0 ]; then

echo "Files to lint:"

printf ' - %s\n' "${CHANGED_FILES[@]}"

# Track execution success manually so both tools get a chance to run.

# This prevents the workflow from dying on Black without showing Flake8 errors.

BLACK_EXIT=0

LINT_EXIT=0

# adding -q to silence some of the extraneous logging

echo "Running blacken..."

nox -s blacken -- "${CHANGED_FILES[@]}" || BLACK_EXIT=$?

echo "Running flake8 lint..."

nox -s lint -- "${CHANGED_FILES[@]}" || LINT_EXIT=$?

if [ $BLACK_EXIT -ne 0 ] || [ $LINT_EXIT -ne 0 ]; then

echo "❌ One or more linting checks failed."

exit 1

else

echo "✅ No Python files changed in this scope. Skipping checks."

python-docs-samples/.github/scripts/lint-changed.sh at main · Reality2byte/python-docs-samples · GitHub

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