pre-commit-gen-docs

#! /usr/bin/env bash

set -eu -o pipefail

# Get the directory of this file inside pre-commit cache
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
ADR_BIN="${DIR}/../../node_modules/.bin/adr-log"

# Rename ADR to whatever we want
function rename {
  perl -i -pe "s/ \[ADR-/ [$1-/g;" index.md
}

# Remove the last line if its an empty newline
function chomp {
  perl -pi -e 'chomp if eof;' "$1"
}

function update_index {
  pushd "${dir}" > /dev/null || return

  # Rebuild the index && remove both newlines that it adds
  node "${ADR_BIN}" -i && chomp index.md && chomp index.md

  # We need to rename ADR to a different name
  title=$(basename "$1")
  case "${title}" in
    # This is the default behavior
    # adr )
    #   rename ADR ;;
    rfc )
      rename RFC ;;
    runbook )
      rename Runbook ;;
    how-to )
      rename How-To ;;
  esac
  popd > /dev/null || return
}

for dir in "$@"; do
  if [[ -d "${dir}" ]]; then
    update_index "${dir}"
  fi
done