#!/usr/bin/env bash set -uo pipefail IFS=$'\n\t' check_git_history=false rm -f tmp-unused-images rm -f tmp-unused-images-history # List images which might be unused. # Exceptions are ignored, and for .svg files we also look for potential .png # files with the same base name, as they might be sources. files=$(find -name "_build" -prune -o \( -iname "*.png" -o -iname "*.webp" -o -iname "*.jpg" -o -iname "*.svg" -o -iname "*.gif" \) -print | sort) for path in $files; do file=$(basename "$path") if [[ "$path" == *./img/* ]]; then continue fi ext=${file##*.} base=${file%.*} found=$(rg -l ":: .*[ /]$file") if [ -z "$found" ] && [ "$ext" == "svg" ]; then # May be source file. found=$(rg -l ":: .*[ /]$base.png") fi if [ -z "$found" ]; then echo "$path" >> tmp-unused-images fi done echo "Wrote list of unused images to: tmp-unused-images" if [ "$check_git_history" = true ]; then for file in $(cat tmp-unused-images); do echo "File: $file" git log --diff-filter=A --follow "$file" echo done > tmp-unused-images-history echo "Wrote list of unused images in Git history to: tmp-unused-images-history" fi