. /usr/share/bash-completion/bash_completion
has_completion() { [ -r /usr/share/bash-completion/completions/$1 ]; }
elif [ -f /etc/bash_completion ]; then
. /usr/share/bash-completion/bash_completion
has_completion() { [ -r /usr/share/bash-completion/completions/$1 ]; }
elif [ -f /etc/bash_completion ]; then