change git commit message

change_git_commit_message.sh

#!/bin/sh

if [ $# -lt 3 ] ; then
  echo "Usage: $0 old_email new_email new_name"
  echo "Example: $0 [email protected] [email protected] new_name"
  exit 1;
fi

echo "old_email: $1"
echo "new_email: $2"
echo "new_name: $3"

export OLD_EMAIL="$1"
export CORRECT_EMAIL="$2"
export CORRECT_NAME="$3"

git filter-branch --force --env-filter '
#if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
#then
    export GIT_COMMITTER_NAME="$CORRECT_NAME"
    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
#fi
#if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
#then
    export GIT_AUTHOR_NAME="$CORRECT_NAME"
    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
#fi
' --tag-name-filter cat -- --branches --tags