#!/bin/sh
# Scan the filesystem for orphaned/unused files (super slow because portage-utils doesn't accept stdin)
# Note that this files a *lot* of pre/postinstall files that should(!) exist
tmp1="$(mktemp)"
tmp2="$(mktemp)"
trap "rm -f '$tmp1' '$tmp2'" EXIT

cat orphans_ignore.txt orphans_ignore/*.txt | grep '^/' | sort > "$tmp1"
find /bin /sbin /lib /lib64 /usr > "$tmp2"

grep -xvf "$tmp1" "$tmp2" | xargs -P$(nproc) -d '\n' qfile -o | tee orphans.txt
grep -Fxvf "$tmp2" "$tmp1" | grep -v '\*' | tee orphans_missing.txt

#find /etc | \
    #grep -xvf "$tmp" | \
    #xargs -P$(nproc) -d '\n' qfile -o | tee orphans.txt