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prezto/modules/ruby/init.zsh
Indrajit Raychaudhuri 37443368c1 ruby: Cleanup and optimize 'ruby' module
Changes:
- Honor `$RBENV_ROOT` or `RVM_DIR` if set but, no need to set it
  explicitly if not set. Instead, let the respective initialization
  scripts take care of that.
- Reverse `rbenv` vs `rvm` selection order, preferring `rbenv` instead.
- Check for availability of `rbenv` or `rvm` function instead of command
  to validate requirements. In a properly configured and initialized
  shell, `rbenv` or `rvm` will be available as function.
- Adhere to more idiomatic Zsh operation and minimize redundant syntaxes.

For additional rationale, see: https://github.com/rbenv/rbenv/wiki/Why-rbenv%3F
2021-06-01 14:31:26 -05:00

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#
# Configures Ruby local installation, loads version managers, and defines
# aliases.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
# Indrajit Raychaudhuri <irc@indrajit.com>
#
# Possible lookup locations for manually installed rbenv and rvm.
local_rbenv_paths=({$RBENV_ROOT,{$XDG_CONFIG_HOME/,$HOME/.}rbenv}/bin/rbenv(N))
local_rvm_paths=({$RVM_DIR,{$XDG_CONFIG_HOME/,$HOME/.}rvm}/scripts/rvm(N))
# Load manually installed or package manager installed rbenv into the shell
# session.
if (( $#local_rbenv_paths || $+commands[rbenv] )); then
# Ensure manually installed rbenv is added to path when present.
[[ -s $local_rbenv_paths[1] ]] && path=($local_rbenv_paths[1]:h $path)
eval "$(rbenv init - zsh)"
# Load manually installed rvm into the shell session.
elif (( $#local_rvm_paths )); then
# Unset AUTO_NAME_DIRS since auto adding variable-stored paths to ~ list
# conflicts with rvm.
unsetopt AUTO_NAME_DIRS
source "$local_rvm_paths[1]"
# Load package manager installed chruby into the shell session.
elif (( $+commands[chruby-exec] )); then
if (( ! $+functions[chruby] )); then
source "${commands[chruby-exec]:h:h}/share/chruby/chruby.sh"
fi
if zstyle -t ':prezto:module:ruby:chruby' auto-switch; then
if (( ! $+functions[chruby_auto] )); then
source "${commands[chruby-exec]:h:h}/share/chruby/auto.sh"
fi
# If a default ruby is set, switch to it.
chruby_auto
fi
# Prepend local gems bin directories to PATH.
else
path=($HOME/.gem/ruby/*/bin(N) $path)
fi
unset local_rbenv
# Return if requirements are not found.
if (( ! $+commands[ruby] && ! $#functions[(i)r(benv|vm)] )); then
return 1
fi
#
# Aliases
#
# General
alias rb='ruby'
# Bundler
if (( $+commands[bundle] )); then
alias rbb='bundle'
alias rbbc='bundle clean'
alias rbbe='bundle exec'
alias rbbi='bundle install --path vendor/bundle'
alias rbbl='bundle list'
alias rbbo='bundle open'
alias rbbp='bundle package'
alias rbbu='bundle update'
alias rbbI='rbbi \
&& bundle package \
&& print .bundle >>! .gitignore \
&& print vendor/assets >>! .gitignore \
&& print vendor/bundle >>! .gitignore \
&& print vendor/cache >>! .gitignore'
fi