chruby

Linux Subsystem for Windows

Ubuntu 14.04 相当の環境。

システムに 2.3 が入っていて、ソースから 2.4.1 を新たにインストールして、これらを使い分けられるようにする。

書いてあるとおりにセットアップ。

$ wget -O chruby-0.3.9.tar.gz https://github.com/postmodern/chruby/archive/v0.3.9.tar.gz
$ tar -xzvf chruby-0.3.9.tar.gz
$ cd chruby-0.3.9/
$ sudo make install

$ tail ~/.bashrc

source /usr/local/share/chruby/chruby.sh
source /usr/local/share/chruby/auto.sh

ruby 2.4.1 のインストール

$ sudo apt-get install -y --force-yes build-essential bison zlib1g-dev libyaml-dev libssl-dev libgdbm-dev libreadline-dev libffi-dev
$ wget https://cache.ruby-lang.org/pub/ruby/2.4/ruby-2.4.1.tar.bz2
$ tar -xjvf ruby-2.4.1.tar.bz2
$ cd ruby-2.4.1/
$ ./configure  --prefix=/opt/rubies/ruby-2.4.1
$ make
$ sudo make install
$ /usr/bin/ruby -v
ruby 2.3.3p222 (2016-11-21 revision 56859) [x86_64-linux-gnu]

$ chruby
   ruby-2.4.1

$ chruby system
$ ruby -v
ruby 2.3.3p222 (2016-11-21 revision 56859) [x86_64-linux-gnu]

$ chruby 2.4.1
$ ruby -v
ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]

gem

gem から yard を入れたいのだが。。

下記のように sudo しないで gem を実行すると home にバージョンごとに区別されて yardoc が入る。

-E は –env-shebang オプションで、 #!/usr/bin/env ruby が処理系に指定される。

$ chruby 2.4.1

$ gem install -E yard
Fetching: yard-0.9.9.gem (100%)
--------------------------------------------------------------------------------
As of YARD v0.9.2:

RubyGems "--document=yri,yard" hooks are now supported. You can auto-configure
YARD to automatically build the yri index for installed gems by typing:

    $ yard config --gem-install-yri

See `yard config --help` for more information on RubyGems install hooks.

You can also add the following to your .gemspec to have YARD document your gem
on install:

    spec.metadata["yard.run"] = "yri" # use "yard" to build full HTML docs.

--------------------------------------------------------------------------------
Successfully installed yard-0.9.9
Parsing documentation for yard-0.9.9
Installing ri documentation for yard-0.9.9
Done installing documentation for yard after 11 seconds
1 gem installed
<code>

$ which yardoc
/home/nishimotz/.gem/ruby/2.4.1/bin/yardoc

$ yardoc
Files:           0
Modules:         0 (    0 undocumented)
Classes:         0 (    0 undocumented)
Constants:       0 (    0 undocumented)
Attributes:      0 (    0 undocumented)
Methods:         0 (    0 undocumented)
 100.00% documented

system ruby には yardoc は入っていない

$ chruby system
$ which yardoc

sudo gem = 失敗

gem から yard を入れたいのだが。。

下記のやり方をすると動かない yardoc が入ってしまう。

$ which gem
/opt/rubies/ruby-2.4.1/bin/gem

$ sudo gem install yard
[sudo] password for nishimotz:
Fetching: yard-0.9.9.gem (100%)
--------------------------------------------------------------------------------
As of YARD v0.9.2:

RubyGems "--document=yri,yard" hooks are now supported. You can auto-configure
YARD to automatically build the yri index for installed gems by typing:

    $ yard config --gem-install-yri

See `yard config --help` for more information on RubyGems install hooks.

You can also add the following to your .gemspec to have YARD document your gem
on install:

    spec.metadata["yard.run"] = "yri" # use "yard" to build full HTML docs.

--------------------------------------------------------------------------------
Successfully installed yard-0.9.9
Parsing documentation for yard-0.9.9
Installing ri documentation for yard-0.9.9
Done installing documentation for yard after 12 seconds
1 gem installed
$ which yardoc
/usr/local/bin/yardoc

$ head /usr/local/bin/yardoc
#!/usr/bin/ruby2.3
#
# This file was generated by RubyGems.
#
# The application 'yard' is installed as part of a gem, and
# this file is here to facilitate running it.
#

require 'rubygems'
$ yardoc
/usr/lib/ruby/2.3.0/rubygems.rb:241:in `bin_path': can't find gem yard (>= 0.a) (Gem::GemNotFoundException)
        from /usr/local/bin/yardoc:22:in `<main>'

chruby.txt · 最終更新: 2017/08/22 19:02 by Takuya Nishimoto
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