Bash script to make a commit excluding comments

commitn2s.sh

#!/bin/bash

paths="$(git diff --name-only --cached --diff-filter=MA)"

echo "$paths" |
while IFS= read -r path; do
  cp "$path" "$path.precommentstrip"
  git diff --cached "$path" | awk '($1 ~ /^\+/) && (/\/\//)' | cut -c 2- |
  while IFS= read -r addition; do 
    commentFreeAddition="$(echo "$addition" | awk -F'//' '{print $1}' | sed 's|[[:blank:]]*$||')"
    if [[ -z "$commentFreeAddition" ]]
    then 
      sed -i '' "\|$addition|d" "$path"
    else
      sed -i '' "s|$addition|$commentFreeAddition|" "$path"
    fi
  done
  git add "$path"
done

git commit

echo "$paths" |
while IFS= read -r path; do
  mv "$path.precommentstrip" "$path" 
done