Dynamically load git bash completion

gistfile1.sh

# Dynamically load git bash completion
function __LoadGitBashCompl ()
{
    # Remove the existing placeholder completion
    complete -r git
    # Load the full completion if it exists
    if [ -e "/etc/bash_completion.d/git" ]; then
        source "/etc/bash_completion.d/git"
        _git "$@"
    else
        # Fall back to some basic completion if the full one does not exist
        complete -W "add blame checkout commit diff help merge mkdir move stat status branch push pull clean log rebase reset tag clone cherry-pick" -A file git
    fi
}
# Calls __LoadGitBashCompl the first time git completion is accessed
complete -o default -o nospace -F __LoadGitBashCompl git