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Add diff_apss.sh script for app patching analysis
This commit is contained in:
Karol Mazurek
149
App Bundle Extension/custom/diff_apss.sh
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149
App Bundle Extension/custom/diff_apss.sh
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#!/usr/bin/env bash
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# Check if the correct number of arguments provided
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if [ $# -ne 2 ]; then
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echo "Usage: $0 OLD_APP NEW_APP"
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echo "Example: $0 OLD/Fantastical.app NEW/Fantastical.app"
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exit 1
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fi
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OLD_APP="$1"
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NEW_APP="$2"
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# Check if directories exist
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if [ ! -d "$OLD_APP" ]; then
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echo "Error: Old app directory '$OLD_APP' does not exist"
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exit 1
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fi
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if [ ! -d "$NEW_APP" ]; then
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echo "Error: New app directory '$NEW_APP' does not exist"
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exit 1
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fi
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echo "=========================================="
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echo "APP PATCHING ANALYSIS"
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echo "=========================================="
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echo "Old App: $OLD_APP"
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echo "New App: $NEW_APP"
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echo "=========================================="
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# Run diff with -r for recursive and -q for brief output
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DIFF_OUTPUT=$(diff -rq "$OLD_APP" "$NEW_APP" 2>/dev/null)
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# Process new files
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echo -e "\n🆕 NEW FILES:"
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echo "----------------------------------------"
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NEW_LIST=$(echo "$DIFF_OUTPUT" | grep "Only in $NEW_APP" | sed "s|Only in $NEW_APP/||" | sed 's|: | → |')
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if [ -n "$NEW_LIST" ]; then
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echo "$NEW_LIST" | while read -r line; do
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echo " + $line"
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done
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else
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echo " (No new files)"
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fi
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# Process deleted files
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echo -e "\n❌ DELETED FILES:"
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echo "----------------------------------------"
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DELETED_LIST=$(echo "$DIFF_OUTPUT" | grep "Only in $OLD_APP" | sed "s|Only in $OLD_APP/||" | sed 's|: | → |')
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if [ -n "$DELETED_LIST" ]; then
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echo "$DELETED_LIST" | while read -r line; do
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echo " - $line"
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done
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else
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echo " (No deleted files)"
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fi
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# Process modified files
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echo -e "\n📝 MODIFIED FILES:"
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echo "----------------------------------------"
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MODIFIED_LIST=$(echo "$DIFF_OUTPUT" | grep "^Files.*differ$" | sed "s|Files $OLD_APP/||" | sed "s| and $NEW_APP/.*differ$||")
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if [ -n "$MODIFIED_LIST" ]; then
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echo "$MODIFIED_LIST" | while read -r line; do
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echo " ~ $line"
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done
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else
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echo " (No modified files)"
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fi
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# Find and report symlink changes
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echo -e "\n🔗 SYMLINK CHANGES:"
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echo "----------------------------------------"
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SYMLINK_CHANGES=""
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# Find all symlinks in OLD_APP
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while IFS= read -r old_symlink; do
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rel_path="${old_symlink#$OLD_APP/}"
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new_symlink="$NEW_APP/$rel_path"
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if [ ! -L "$new_symlink" ]; then
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# Symlink was removed or converted to regular file
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SYMLINK_CHANGES="${SYMLINK_CHANGES} - Removed: $rel_path\n"
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else
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# Check if symlink target changed
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old_target=$(readlink "$old_symlink")
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new_target=$(readlink "$new_symlink")
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if [ "$old_target" != "$new_target" ]; then
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SYMLINK_CHANGES="${SYMLINK_CHANGES} ~ Modified: $rel_path\n"
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SYMLINK_CHANGES="${SYMLINK_CHANGES} Old target: $old_target\n"
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SYMLINK_CHANGES="${SYMLINK_CHANGES} New target: $new_target\n"
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fi
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fi
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done < <(find "$OLD_APP" -type l)
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# Find new symlinks in NEW_APP
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while IFS= read -r new_symlink; do
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rel_path="${new_symlink#$NEW_APP/}"
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old_symlink="$OLD_APP/$rel_path"
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if [ ! -L "$old_symlink" ]; then
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# New symlink added
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new_target=$(readlink "$new_symlink")
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SYMLINK_CHANGES="${SYMLINK_CHANGES} + Added: $rel_path → $new_target\n"
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fi
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done < <(find "$NEW_APP" -type l)
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if [ -n "$SYMLINK_CHANGES" ]; then
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echo -e "$SYMLINK_CHANGES"
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else
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echo " (No symlink changes)"
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fi
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# Count totals
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NEW_COUNT=$(echo "$DIFF_OUTPUT" | grep -c "Only in $NEW_APP" 2>/dev/null || echo "0")
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DELETED_COUNT=$(echo "$DIFF_OUTPUT" | grep -c "Only in $OLD_APP" 2>/dev/null || echo "0")
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MODIFIED_COUNT=$(echo "$DIFF_OUTPUT" | grep -c "^Files.*differ$" 2>/dev/null || echo "0")
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# Ensure counts are single integers
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NEW_COUNT=$(echo "$NEW_COUNT" | head -n1 | tr -d '\n')
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DELETED_COUNT=$(echo "$DELETED_COUNT" | head -n1 | tr -d '\n')
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MODIFIED_COUNT=$(echo "$MODIFIED_COUNT" | head -n1 | tr -d '\n')
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# Summary
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echo -e "\n📊 SUMMARY:"
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echo "=========================================="
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echo "New files: $NEW_COUNT"
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echo "Deleted files: $DELETED_COUNT"
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echo "Modified files: $MODIFIED_COUNT"
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echo "Total changes: $((NEW_COUNT + DELETED_COUNT + MODIFIED_COUNT))"
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echo "=========================================="
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# Binary file detection
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BINARY_CHANGES=""
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while IFS= read -r file; do
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if [ -n "$file" ]; then
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full_path="$NEW_APP/$file"
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if [ -f "$full_path" ] && [ ! -L "$full_path" ]; then
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file_type=$(file -b "$full_path" 2>/dev/null)
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if echo "$file_type" | grep -qE "(executable|shared library)"; then
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BINARY_CHANGES="$BINARY_CHANGES$file\n"
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fi
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fi
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fi
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done <<< "$MODIFIED_LIST"
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if [ -n "$BINARY_CHANGES" ]; then
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echo "⚠️ Binary files modified:"
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echo -e "$BINARY_CHANGES" | sed 's/^/ /'
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fi
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