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View rvm_installer.sh
#!/usr/bin/env bash
shopt -s extglob
PS4="+ \${BASH_SOURCE##\${rvm_path:-}} : \${FUNCNAME[0]:+\${FUNCNAME[0]}()} \${LINENO} > "
export PS4
set -o errtrace
set -o errexit
log() { printf "%b\n" "$*" ; return $? ; }