#!/bin/bash
set -e

cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"

repos=( "$@" )
if [ ${#repos[@]} -eq 0 ]; then
	repos=( */ )
fi
repos=( "${repos[@]%/}" )

for repo in "${repos[@]}"; do
	if [ -e "$repo/README-content.md" ]; then
		mailingList="$(cat "$repo/mailing-list.md" 2>/dev/null |  sed 's/[\/&]/\\&/g' || true)"
		if [ "$mailingList" ]; then
			mailingList=" $mailingList "
		else
			mailingList=' '
		fi
		
		(
			echo "cat $repo/README-content.md README-footer.md > $repo/README.md"
			cat "$repo/README-content.md" "README-footer.md" > "$repo/README.md"
			set -x
			sed -ri 's/\s*%%MAILING_LIST%%\s*/'"$mailingList"'/g; s/%%REPO%%/'"$repo"'/g' "$repo/README.md"
		)
	else
		echo "skipping $repo: repo/README-content.md"
	fi
done