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_homebrew-installed() {
type brew &> /dev/null
}
_rbenv-from-homebrew-installed() {
brew --prefix rbenv &> /dev/null
}
FOUND_RBENV=0
rbenvdirs=("$HOME/.rbenv" "/usr/local/rbenv" "/opt/rbenv")
if _homebrew-installed && _rbenv-from-homebrew-installed ; then
rbenvdirs=($(brew --prefix rbenv) "${rbenvdirs[@]}")
fi
for rbenvdir in "${rbenvdirs[@]}" ; do
if [ -d $rbenvdir/bin -a $FOUND_RBENV -eq 0 ] ; then
FOUND_RBENV=1
export RBENV_ROOT=$rbenvdir
export PATH=${rbenvdir}/bin:$PATH
eval "$(rbenv init - zsh)"
alias rubies="rbenv versions"
alias gemsets="rbenv gemset list"
function current_ruby() {
echo "$(rbenv version-name)"
}
function current_gemset() {
echo "$(rbenv gemset active 2&>/dev/null | sed -e ":a" -e '$ s/\n/+/gp;N;b a' | head -n1)"
}
function gems {
local rbenv_path=$(rbenv prefix)
gem list $@ | sed \
-Ee "s/\([0-9\.]+( .+)?\)/$fg[blue]&$reset_color/g" \
-Ee "s|$(echo $rbenv_path)|$fg[magenta]\$rbenv_path$reset_color|g" \
-Ee "s/$current_ruby@global/$fg[yellow]&$reset_color/g" \
-Ee "s/$current_ruby$current_gemset$/$fg[green]&$reset_color/g"
}
function rbenv_prompt_info() {
if [[ -n $(current_gemset) ]] ; then
echo "$(current_ruby)@$(current_gemset)"
else
echo "$(current_ruby)"
fi
}
fi
done
unset rbenvdir
if [ $FOUND_RBENV -eq 0 ] ; then
alias rubies='ruby -v'
function gemsets() { echo 'not supported' }
function rbenv_prompt_info() { echo "system: $(ruby -v | cut -f-2 -d ' ')" }
fi
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