gitlab/scripts/lint-docs-metadata.sh
Evan Read 14399ab372 Add docs metadata check to Lefthook configuration
Also share logic between Lefthook and lint-doc.sh script.
2021-08-09 09:59:09 +10:00

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#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'
COLOR_RED="\e[31m"
COLOR_GREEN="\e[32m"
COLOR_RESET="\e[39m"
VERBOSE=false
CHECK_ALL=true
FAILING_FILES=0
TOTAL_FILES=0
# Parse arguments
for arg in "$@"; do
case $arg in
--verbose)
VERBOSE=true
;;
--help | -h)
cat <<EOF
usage: lint-docs-metadata.sh [--help][--verbose] <file...>
If no files are provided, all markdown files in doc/ are checked.
EOF
exit 0
;;
*)
CHECK_ALL=false
;;
esac
done
function check_file {
local file
file="$1"
TOTAL_FILES=$((TOTAL_FILES + 1))
if [ "$(head -n1 "$file")" != "---" ]; then
printf "${COLOR_RED}Documentation metadata missing in %s.${COLOR_RESET}\n" "$file" >&2
FAILING_FILES=$((FAILING_FILES + 1))
elif [ "$VERBOSE" == "true" ]; then
printf "Documentation metadata found in %s.\n" "$file"
fi
}
function check_all_files {
while IFS= read -r -d '' file; do
check_file "$file"
done < <(find "doc" -name "*.md" -type f -print0)
}
if [[ "$CHECK_ALL" = "true" ]]; then
# shellcheck disable=SC2059
printf "No files supplied. Checking all markdown files in doc/.\n"
check_all_files
else
# Takes a list of Markdown files as a parameter
for file in "$@"; do
# Skipping parameters
[[ $file = --* ]] && continue
check_file "$file"
done
fi
if [ "$FAILING_FILES" -gt 0 ]; then
# shellcheck disable=SC2059
printf "\n${COLOR_RED}Documentation metadata is missing in ${FAILING_FILES} of ${TOTAL_FILES} documentation files.${COLOR_RESET} For more information, see https://docs.gitlab.com/ee/development/documentation/#metadata.\n" >&2
exit 1
else
# shellcheck disable=SC2059
printf "${COLOR_GREEN}Documentation metadata found in ${TOTAL_FILES} documentation files.${COLOR_RESET}\n"
exit 0
fi