Rewrite git history

rewrite-history.sh

#!/bin/sh                                                                                                                                                                                                                                                                                                                     

git filter-branch --env-filter '                                                                                                                                                                                                                                                                                              
OLD_EMAIL="a@example.com                                                                                                                                                                                                                                                                                         
CORRECT_NAME="a"                                                                                                                                                                                                                                                                                               
CORRECT_EMAIL="a@b.c"                                                                                                                                                                                                                                                                                   
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