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40a60d2847
Detect system Ruby in default `PATH`, and provide "system" completion if found. Tested with [the Dockerfile](https://gist.github.com/franklinyu/b8deda6a5093a17b575679b5808b371f).
122 lines
2.8 KiB
Bash
122 lines
2.8 KiB
Bash
#
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# INSTRUCTIONS
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#
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# With either a manual or brew installed chruby things should just work.
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#
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# If you'd prefer to specify an explicit path to load chruby from
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# you can set variables like so:
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#
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# zstyle :omz:plugins:chruby path /local/path/to/chruby.sh
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# zstyle :omz:plugins:chruby auto /local/path/to/auto.sh
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#
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# TODO
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# - autodetermine correct source path on non OS X systems
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# - completion if ruby-install exists
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# rvm and rbenv plugins also provide this alias
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alias rubies='chruby'
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_homebrew-installed() {
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whence brew &> /dev/null
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_xit=$?
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if [ $_xit -eq 0 ];then
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# ok , we have brew installed
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# speculatively we check default brew prefix
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if [ -h /usr/local/opt/chruby ];then
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_brew_prefix="/usr/local/opt/chruby"
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else
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# ok , it is not default prefix
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# this call to brew is expensive ( about 400 ms ), so at least let's make it only once
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_brew_prefix=$(brew --prefix chruby)
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fi
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return 0
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else
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return $_xit
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fi
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}
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_chruby-from-homebrew-installed() {
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[ -r _brew_prefix ] &> /dev/null
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}
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_ruby-build_installed() {
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whence ruby-build &> /dev/null
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}
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_ruby-install-installed() {
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whence ruby-install &> /dev/null
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}
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# Simple definition completer for ruby-build
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if _ruby-build_installed; then
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_ruby-build() { compadd $(ruby-build --definitions) }
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compdef _ruby-build ruby-build
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fi
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_source_from_omz_settings() {
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local _chruby_path
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local _chruby_auto
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zstyle -s :omz:plugins:chruby path _chruby_path
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zstyle -s :omz:plugins:chruby auto _chruby_auto
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if [[ -r ${_chruby_path} ]]; then
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source ${_chruby_path}
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fi
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if [[ -r ${_chruby_auto} ]]; then
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source ${_chruby_auto}
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fi
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}
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_chruby_dirs() {
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chrubydirs=($HOME/.rubies/ $PREFIX/opt/rubies)
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for dir in chrubydirs; do
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if [[ -d $dir ]]; then
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RUBIES+=$dir
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fi
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done
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}
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if _homebrew-installed && _chruby-from-homebrew-installed ; then
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source $_brew_prefix/share/chruby/chruby.sh
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source $_brew_prefix/share/chruby/auto.sh
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_chruby_dirs
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elif [[ -r "/usr/local/share/chruby/chruby.sh" ]] ; then
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source /usr/local/share/chruby/chruby.sh
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source /usr/local/share/chruby/auto.sh
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_chruby_dirs
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else
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_source_from_omz_settings
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_chruby_dirs
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fi
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function ensure_chruby() {
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$(whence chruby)
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}
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function current_ruby() {
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local _ruby
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_ruby="$(chruby |grep \* |tr -d '* ')"
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if [[ $(chruby |grep -c \*) -eq 1 ]]; then
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echo ${_ruby}
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else
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echo "system"
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fi
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}
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function chruby_prompt_info() {
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echo "$(current_ruby)"
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}
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# complete on installed rubies
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_chruby() {
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compadd $(chruby | tr -d '* ')
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local default_path='/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin'
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if PATH=${default_path} type ruby &> /dev/null; then
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compadd system
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fi
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}
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compdef _chruby chruby
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