Ruby¶
Installation de ruby¶
Mettre à jour Ruby (avec homebrew):¶
$ which ruby
/usr/bin/ruby
$ ruby -v
ruby 2.6.3p62 (2019-04-16 revision 67580) [universal.x86_64-darwin19]
$ brew install ruby
$ echo 'export PATH="/usr/local/opt/ruby/bin:$PATH"' >> ~/.zshrc
$ which ruby
/usr/local/opt/ruby/bin/ruby
$ ruby -v
ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
Ajouter au $PATH (.zshrc):¶
export PATH="/usr/local/opt/ruby/bin:$PATH"
export PATH=/Users/bruno/.gem/ruby/2.6.0/bin:$PATH
Aide:¶
$ gem help examples
Some examples of 'gem' usage.
$ gem help commands
GEM commands are:
build Build a gem from a gemspec
cert Manage RubyGems certificates and signing settings
check Check a gem repository for added or missing files
cleanup Clean up old versions of installed gems
contents Display the contents of the installed gems
dependency Show the dependencies of an installed gem
environment Display information about the RubyGems environment
fetch Download a gem and place it in the current directory
generate_index Generates the index files for a gem server directory
help Provide help on the 'gem' command
info Show information for the given gem
install Install a gem into the local repository
list Display local gems whose name matches REGEXP
lock Generate a lockdown list of gems
manpages Handling manpages in gems
mirror Mirror all gem files (requires rubygems-mirror)
open Open gem sources in editor
outdated Display all gems that need updates
owner Manage gem owners of a gem on the push server
pristine Restores installed gems to pristine condition from files
located in the gem cache
push Push a gem up to the gem server
query Query gem information in local or remote repositories
rdoc Generates RDoc for pre-installed gems
search Display remote gems whose name matches REGEXP
server Documentation and gem repository HTTP server
signin Sign in to any gemcutter-compatible host. It defaults to
https://rubygems.org
signout Sign out from all the current sessions.
sources Manage the sources and cache file RubyGems uses to search
for gems
specification Display gem specification (in yaml)
stale List gems along with access times
uninstall Uninstall gems from the local repository
unpack Unpack an installed gem to the current directory
update Update installed gems to the latest version
which Find the location of a library file you can require
yank Remove a pushed gem from the index
For help on a particular command, use 'gem help COMMAND'.
Environnment:¶
$ gem environment
RubyGems Environment:
- RUBYGEMS VERSION: 3.0.6
- RUBY VERSION: 2.6.5 (2019-10-01 patchlevel 114) [x86_64-darwin19]
- INSTALLATION DIRECTORY: /usr/local/lib/ruby/gems/2.6.0
- USER INSTALLATION DIRECTORY: /Users/bruno/.gem/ruby/2.6.0
- RUBY EXECUTABLE: /usr/local/opt/ruby/bin/ruby
- GIT EXECUTABLE: /usr/local/bin/git
- EXECUTABLE DIRECTORY: /usr/local/lib/ruby/gems/2.6.0/bin
- SPEC CACHE DIRECTORY: /Users/bruno/.gem/specs
- SYSTEM CONFIGURATION DIRECTORY: /usr/local/Cellar/ruby/2.6.5/etc
- RUBYGEMS PLATFORMS:
- ruby
- x86_64-darwin-19
- GEM PATHS:
- /usr/local/lib/ruby/gems/2.6.0
- /Users/bruno/.gem/ruby/2.6.0
- /usr/local/Cellar/ruby/2.6.5/lib/ruby/gems/2.6.0
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :backtrace => false
- :bulk_threshold => 1000
- REMOTE SOURCES:
- https://rubygems.org/
- SHELL PATH:
- /Users/bruno/.nvm/versions/node/v12.13.0/bin
- /Users/bruno/Documents/Scripts
- /Users/bruno/.gem/ruby/2.6.0/bin
- /usr/local/opt/ruby/bin
- /usr/local/sbin
- /usr/local/bin
- /usr/bin
- /bin
- /usr/sbin
- /sbin
- /Library/TeX/texbin
- /usr/local/MacGPG2/bin
- /opt/X11/bin
$ gem environment gemdir
/usr/local/lib/ruby/gems/2.6.0
$ gem environment gempath
/Users/bruno/.gem/ruby/2.6.0:/usr/local/lib/ruby/gems/2.6.0:/usr/local/Cellar/ruby/2.6.5/lib/ruby/gems/2.6.0
Gem¶
Installer un gem:¶
$ gem install color_echo
Fetching color_echo-3.1.1.gem
Thank you for installing! =(^x^=
See also http://colorecho.github.io
Successfully installed color_echo-3.1.1
Parsing documentation for color_echo-3.1.1
Installing ri documentation for color_echo-3.1.1
Done installing documentation for color_echo after 0 seconds
1 gem installed
# Installer une version spécifique:
$ gem install color_echo -v 3.1.0
Installer un gem en local:¶
$ gem install colorls --user-install
Mettre à jour un gem:¶
$ gem update colorls
Updating installed gems
Mettre à jour tous les gems:¶
$ gem update
Updating installed gems
La mise-à-jour ne supprime pas les anciennes versions. Utiliser la commande cleanup .
Liste des gems installés:¶
$ gem list
*** LOCAL GEMS ***
bigdecimal (default: 1.4.1)
bundler (default: 1.17.3)
clocale (0.0.4)
...
Où un gem est installé:¶
# installé avec gem install colorls --user-install
$ gem list -d colorls
*** LOCAL GEMS ***
colorls (1.2.0)
Author: Athitya Kumar
Homepage: https://github.com/athityakumar/colorls
License: MIT
Installed at: /Users/bruno/.gem/ruby/2.6.0
A Ruby CLI gem that beautifies the terminal's ls command, with color
and font-awesome icons.
# installé avec gem install martilla
$ gem list -d martilla
*** LOCAL GEMS ***
martilla (0.4.0)
Author: Fernando Valverde
Homepage: https://github.com/fdoxyz/martilla
License: MIT
Installed at: /usr/local/lib/ruby/gems/2.6.0
Easy to configure backup tool for simple everyday use
$ gem which martilla
/usr/local/lib/ruby/gems/2.6.0/gems/martilla-0.4.0/lib/martilla.rb
Dernière mise à jour:
November 9, 2023