Find nearest equivalent git commit that does not differ from the current commit

find_nearest_equivalent_commit.sh

#!/bin/sh

# Get the HEAD commit hash
HEAD=$(git rev-parse HEAD)

# Generate a list of all commit hashes in the repository
git rev-list --no-merges --all | while read COMMIT; do
  # Compare the commit to the HEAD
  if [ -z "$(git diff --name-only $COMMIT $HEAD)" ]; then
    # If there are no differences, exit the loop and return the commit hash
    echo "Found commit with no differences: $COMMIT"
    exit 0
  fi
done

# If no matching commit was found, exit with an error
echo "No matching commit found"
exit 1