🏎 Sync fork in seconds with zsh alias and function

.zshrc

# Alias for adding upstream remote.
# Usage: grau https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git
alias grau="git remote add upstream"

# Function to sync fork with upstream remote.
function gsyncfork() {
    git fetch upstream
    git pull upstream master
    git push origin master
}