git custom script (command)

git_custom_script.bashrc

1. Open .bashrc file(/home/.bashrc)
2. syncBranchWithMaster() {
     git checkout master;
     git pull origin master;
     git checkout $1;
     git rebase master;
   }
  alias sync-master=syncBranchWithMaster
  # USAGE : sync-master branc-to-sync
  Put this code over there.
  branc-to-sync is a branch name which needs to rebase with master.
  Example:
  You have 2 branches 
  1) new_branch
  2) master
  
  Now you need to rebase with master
  $ sync-master new_branch