reignore

#!/bin/sh
# Regenerate .stow-local-ignore files from non-executables.
#
# Unfortunately we have to maintain these files, because stow(1) does not
# provide a way to pass in a different path that would allow us to have the
# contents be dynamically passed in by a script.
#
# You should review "git diff" afterwards and only commit anything relevant.
set -e -o pipefail # POSIX:2022

scriptdir="$(dirname "$0")"
cd "$scriptdir"

find . -mindepth 1 -maxdepth 1 -type d \
  -not -name bin -not -name .git -printf "%P\n" | sort | while read p; do
	for i in $(ls "$p"); do
		( cd "$p/$i"
		find . -maxdepth 1 -not \( -xtype f -a -executable \) \
		  -a -not -name .stow-local-ignore \
		  -a -not -name . \
		  | sort | sed -r -e 's/[\\^.$|()*+?{}]/\\\0/g' -e 's,^\\\./,^/,g' > .stow-local-ignore
		# list of all perl metachars: https://perldoc.perl.org/perlre#Metacharacters
		if ! [ -s .stow-local-ignore ]; then
			rm -f .stow-local-ignore
		fi
		)
	done
done