k3s/hooks/pre-commit

#!/bin/bash

KUBE_HOOKS_DIR="$(dirname "$(test -L "$0" && echo "$(dirname $0)/$(readlink "$0")" || echo "$0")")"

files_need_gofmt=()
files_need_boilerplate=()
files_need_description=()

echo -ne "Checking for files that need gofmt..."
files=($(git diff --cached --name-only --diff-filter ACM | grep "\.go" | grep -v -e "third_party" -e "Godeps"))
for file in "${files[@]}"; do
  # Check for files that fail gofmt.
  diff="$(git show ":${file}" | gofmt -s -d)"
  if [[ -n "$diff" ]]; then
    files_need_gofmt+=("${file}")
  fi
done
echo "done"

echo -ne "Checking for files that need boilerplate..."
boiler="${KUBE_HOOKS_DIR}/boilerplate.py"
# Check for go files without the required boilerplate.
if [[ ${#files[@]} -gt 0 ]]; then
  files_need_boilerplate+=($("${boiler}" "go" "${files[@]}"))
fi

# Check for sh files without the required boilerplate.
files=($(git diff --cached --name-only --diff-filter ACM | grep "\.sh" | grep -v -e "third_party" -e "Godeps"))
if [[ ${#files[@]} -gt 0 ]]; then
  files_need_boilerplate+=($("${boiler}" "sh" "${files[@]}"))
fi

# Check for py files without the required boilerplate.
files=($(git diff --cached --name-only --diff-filter ACM | grep "\.py" | grep -v -e "third_party" -e "Godeps"))
if [[ ${#files} -gt 0 ]]; then
  files_need_boilerplate+=($("${boiler}" "py" "${files[@]}"))
fi
echo "done"

echo -ne "Checking for API descriptions..."
# Check API schema definitions for field descriptions
for file in $(git diff --cached --name-only --diff-filter ACM | egrep "pkg/api/v.[^/]*/types\.go" | grep -v "third_party"); do
  # Check for files with fields without description tags
  descriptionless=$("${KUBE_HOOKS_DIR}/description.sh" "${file}")
  if [[ "$descriptionless" -eq "0" ]]; then
    files_need_description+=("${file}")
  fi
done
echo "done"

ret=0
if [[ "${#files_need_gofmt[@]}" -ne 0 ]]; then
  echo
  echo "# *** ERROR: *** Some files have not been gofmt'd.  To fix these"
  echo "# errors, run gofmt -s -w <file>, or cut and paste the following:"
  echo "#   gofmt -s -w ${files_need_gofmt[@]}"
  echo
  ret=1
fi

if [[ "${#files_need_boilerplate[@]}" -ne 0 ]]; then
  echo
  echo "# *** ERROR: *** Some files are missing the required boilerplate"
  echo "# header from hooks/boilerplate.txt:"
  for file in "${files_need_boilerplate[@]}"; do
    echo "#   ${file}"
  done
  echo
  ret=1
fi

if [[ "${#files_need_description[@]}" -ne 0 ]]; then
  echo
  echo "# *** ERROR: *** Some API files are missing the required field descriptions"
  echo "# Add description tags to all non-inline fields in the following files:"
  for file in "${files_need_description[@]}"; do
    echo "#   ${file}"
  done
  echo
  ret=1
fi

echo -ne "Checking for docs that need updating..."
if ! hack/verify-gendocs.sh > /dev/null; then
  echo
  echo "# *** ERROR: *** docs are out of sync between cli and markdown"
  echo "# run hack/run-gendocs.sh > docs/kubectl.md to regenerate"
  echo
  ret=1
fi
echo "done"

exit $ret