scripts: add a script to check if Documentation/00-INDEX is sane

#!/bin/bash

cd Documentation/

# Check entries that should be removed

obsolete=""

for i in $(tail -n +12 00-INDEX |grep -E '^[a-zA-Z0-9]+'); do

	if [ ! -e $i ]; then

		obsolete="$obsolete $i"

	fi

done

# Check directory entries that should be added

search=""

dir=""

for i in $(find . -maxdepth 1 -type d); do

	if [ "$i" != "." ]; then

		new=$(echo $i|perl -ne 's,./(.*),$1/,; print $_')

		search="$search $new"

	fi

done

for i in $search; do

	if [ "$(grep -P "^$i" 00-INDEX)" == "" ]; then

		dir="$dir $i"

	fi

done

# Check file entries that should be added

search=""

file=""

for i in $(find . -maxdepth 1 -type f); do

	if [ "$i" != "./.gitignore" ]; then

		new=$(echo $i|perl -ne 's,./(.*),$1,; print $_')

		search="$search $new"

	fi

done

for i in $search; do

	if [ "$(grep -P "^$i\$" 00-INDEX)" == "" ]; then

		file="$file $i"

	fi

done

# Output its findings

echo -e "Documentation/00-INDEX check results:\n"

if [ "$obsolete" != "" ]; then

	echo -e "- Should remove those entries:\n\t$obsolete\n"

else

	echo -e "- No obsolete entries\n"

fi

if [ "$dir" != "" ]; then

	echo -e "- Should document those directories:\n\t$dir\n"

else

	echo -e "- No new directories to add\n"

fi

if [ "$file" != "" ]; then

	echo -e "- Should document those files:\n\t$file"

else

	echo "- No new files to add"

fi