pyenv/libexec/rbenv-plugin-scripts

#!/usr/bin/env bash
set -e
[ -n "$RBENV_DEBUG" ] && set -x

# Provide rbenv completions
if [ "$1" = "--complete" ]; then
  echo exec
  echo rehash
  echo which
  exit
fi

shopt -s nullglob
SCRIPTS=(/etc/rbenv.d/$1/*.bash ${RBENV_ROOT}/rbenv.d/$1/*.bash)
shopt -u nullglob

for script in ${SCRIPTS[@]}; do
  echo $script
done