recover your git added without commit file back .

git-recover.sh

#!/bin/bash
#
filename=$(basename $0 ".sh")
mkdir -p $filename

for blob in $(find .git/objects -type f); do
  hash=$(echo $blob | cut -c14- | sed 's|/||')
  git show $hash | cat > "$filename/$hash"
done

#!/bin/bash
#
filename=$(basename $0 ".sh")
mkdir -p $filename


ls-tree(){
  local hash=$1
  type=$(git cat-file -t $hash)
  if [ "$type" == "tree" ]; then
    blob=$(git ls-tree $hash)
    IFS=$'\n'
    for line in $blob; do
      echo $line
      # blob=$(echo $line | awk '{ print $3 }')
      # echo $blob
  #     file=$(echo $line | awk '{ print $2 }')
  #     ls-tree $blob
    done
  fi
}

ls-tree "d8521e4ab8eeccd923e2c382410bb3c64c5b12bf"
#
# for file in $(find .git/objects -type f); do
#   hash=$(echo $file | cut -c14- | sed 's|/||')
#   ls-tree $hash
#   # type=$(git cat-file -t $hash)
#   # if [ "$type" == "tree" ]; then
#     # ls-tree $hash
#     # blob=$(git ls-tree $hash | awk '{ print $3,$4 }')
#     # git ls-tree $hash
#     # IFS=$'\n'
#     # for line in $blob; do
#     #   blob=$(echo $line | awk '{ print $1 }')
#     #   file=$(echo $line | awk '{ print $2 }')
#     #   mkdir -p
#     #   git show $blob | cat > "$filename/$blob-$file"
#     # done
#   # fi
# done