#!/usr/bin/env bash

set -e

if [ $# -ne 1 ]; then

echo " [E] No dependency list specified!"

echo " Usage: $0 path/to/proprietary-files.txt"

exit 1

fi

FILE="$1"

TMPFILE="${FILE}.tmp"

cp "$FILE" "$TMPFILE"

declare -A FOUND_LIBS

declare -A FOUND_PATHS

echo " [I] Scanning for duplicate libraries in: $FILE"

# First pass: record all library entries

while read -r line; do

[[ "$line" =~ ^#.*$ || -z "$line" ]] && continue

fname=$(basename "$line")

FOUND_LIBS["$fname"]=$((FOUND_LIBS["$fname"]+1))

FOUND_PATHS["$fname"]+="$line|"

done < "$TMPFILE"

# Second pass: write output with duplicates resolved

> "$TMPFILE.deduped"

while read -r line; do

if [[ "$line" =~ ^#.*$ || -z "$line" ]]; then

echo "$line" >> "$TMPFILE.deduped"

continue

fi

fname=$(basename "$line")

count=${FOUND_LIBS["$fname"]}

if (( count > 1 )); then

paths="${FOUND_PATHS["$fname"]}"

# If we find both lib/ and lib64/, prefer lib64

if [[ "$line" == *"/lib/"* && "$paths" == *"/lib64/"* ]]; then

echo "# [auto-commented duplicate: prefers lib64] $line" >> "$TMPFILE.deduped"

elif [[ "$line" == *"/lib64/"* && "$paths" == *"/lib/"* ]]; then

echo "$line" >> "$TMPFILE.deduped"

else

# Same filename repeated elsewhere (e.g. system_ext/vendor duplicate)

# Keep first occurrence only

if grep -q "$fname" "$TMPFILE.deduped"; then

echo "# [auto-commented duplicate: same filename elsewhere] $line" >> "$TMPFILE.deduped"

else

echo "$line" >> "$TMPFILE.deduped"

fi

fi

else

echo "$line" >> "$TMPFILE.deduped"

fi

done < "$TMPFILE"

mv "$TMPFILE.deduped" "$FILE"

rm -f "$TMPFILE"

echo " [I] Done! Duplicates commented out in $FILE"

echo " Search for '# [auto-commented duplicate' to review them."