Dangle

dangle.sh

#!/bin/bash

# Check if the input file is provided
if [ -z "$1" ]; then
  echo "Usage: $0 <path-to-temp-file>"
  exit 1
fi

# The input file containing the file content (e.g., the temp-file extracted from git show)
temp_file="$1"

# Hash the file content using sha256sum
file_hash=$(sha256sum "$temp_file" | cut -d ' ' -f 1)

echo "File hash: $file_hash"

# Iterate through dangling blobs and compare with file hash
echo "Searching for matching dangling blobs..."
git fsck --full | grep dangling | cut -d ' ' -f 3 | while read blob; do
  # Compare each dangling blob with the file hash
  if git cat-file blob "$blob" | sha256sum | cut -d ' ' -f 1 | grep -q "$file_hash"; then
    echo "Found matching blob: $blob"
  fi
done