chruby.plugin.zsh

 1## load chruby from different locations
 2
 3_source-from-omz-settings() {
 4  local _chruby_path _chruby_auto
 5
 6  zstyle -s :omz:plugins:chruby path _chruby_path || return 1
 7  zstyle -s :omz:plugins:chruby auto _chruby_auto || return 1
 8
 9  if [[ -r ${_chruby_path} ]]; then
10    source ${_chruby_path}
11  fi
12
13  if [[ -r ${_chruby_auto} ]]; then
14    source ${_chruby_auto}
15  fi
16}
17
18_source-from-default-location() {
19  [[ -r /usr/local/share/chruby/chruby.sh ]] || return 1
20
21  source /usr/local/share/chruby/chruby.sh
22  source /usr/local/share/chruby/auto.sh
23}
24
25_source-from-homebrew() {
26  (( $+commands[brew] )) || return 1
27
28  local _brew_prefix
29  # check default brew prefix
30  if [[ -h /usr/local/opt/chruby ]];then
31    _brew_prefix="/usr/local/opt/chruby"
32  elif [[ -h /opt/homebrew/opt/chruby ]]; then
33    _brew_prefix="/opt/homebrew/opt/chruby"
34  else
35    # ok , it is not default prefix
36    # this call to brew is expensive ( about 400 ms ), so at least let's make it only once
37    _brew_prefix=$(brew --prefix chruby)
38  fi
39
40  [[ -r "$_brew_prefix" ]] || return 1
41
42  source $_brew_prefix/share/chruby/chruby.sh
43  source $_brew_prefix/share/chruby/auto.sh
44}
45
46# Load chruby
47_source-from-omz-settings || \
48  _source-from-default-location || \
49  _source-from-homebrew
50
51unfunction _source-from-homebrew \
52           _source-from-default-location \
53           _source-from-omz-settings
54
55
56## chruby utility functions and aliases
57
58# rvm and rbenv plugins also provide this alias
59alias rubies='chruby'
60
61function current_ruby() {
62  local ruby
63  ruby="$(chruby | grep \* | tr -d '* ')"
64  if [[ $(chruby | grep -c \*) -eq 1 ]]; then
65    echo ${ruby}
66  else
67    echo "system"
68  fi
69}
70
71function chruby_prompt_info() {
72  echo "${$(current_ruby):gs/%/%%}"
73}
74
75# Complete chruby command with installed rubies
76_chruby() {
77  compadd $(chruby | tr -d '* ')
78  if PATH="/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin" command ruby &>/dev/null; then
79    compadd system
80  fi
81}
82
83compdef _chruby chruby
84
85
86# Simple definition completer for ruby-build
87if command ruby-build &> /dev/null; then
88  _ruby-build() { compadd $(ruby-build --definitions) }
89  compdef _ruby-build ruby-build
90fi