BUNDLE-CONFIG(1)														  BUNDLE-CONFIG(1)

NAME

       bundle-config - Set bundler configuration options

SYNOPSIS

       bundle config [name [value]]

DESCRIPTION

       This  command  allows  you  to interact with bundler's configuration system. Bundler retrieves its configuration from the local application
       (app/.bundle/config), environment variables, and the user's home directory (~/.bundle/config), in that order of priority.

       Executing bundle config with no parameters will print a list of all bundler configuration for the current bundle, and where that configura-
       tion was set.

       Executing bundle config <name> will print the value of that configuration setting, and where it was set.

       Executing bundle config <name> <value> will set that configuration to the value specified for all bundles executed as the current user. The
       configuration will be stored in ~/.bundle/config. If name already is set, name will be overridden and user will be warned.

       Executing bundle config --global <name> <value> works the same as above.

       Executing bundle config --local <name> <value> will set that configuration to the local application. The configuration will  be	stored	in
       app/.bundle/config.

       Executing  bundle  config  --delete  <name> will delete the configuration in both local and global sources. Not compatible with --global or
       --local flag.

       Executing bundle with the BUNDLE_IGNORE_CONFIG environment variable set will cause it to ignore all configuration.

BUILD OPTIONS

       You can use bundle config to give bundler the flags to pass to the gem installer every time bundler tries to install a particular gem.

       A very common example, the mysql gem, requires Snow Leopard users to pass configuration flags to gem install to specify where to  find  the
       mysql_config executable.

	   gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config

       Since the specific location of that executable can change from machine to machine, you can specify these flags on a per-machine basis.

	   bundle config build.mysql --with-mysql-config=/usr/local/mysql/bin/mysql_config

       After running this command, every time bundler needs to install the mysql gem, it will pass along the flags you specified.

CONFIGURATION KEYS

       Configuration keys in bundler have two forms: the canonical form and the environment variable form.

       For  instance, passing the --without flag to bundle install(1) bundle-install.1.html prevents Bundler from installing certain groups speci-
       fied in the Gemfile(5). Bundler persists this value in app/.bundle/config so that calls to Bundler.setup do not try to find gems  from  the
       Gemfile	that  you didn't install. Additionally, subsequent calls to bundle install(1) bundle-install.1.html remember this setting and skip
       those groups.

       The canonical form of this configuration is "without". To convert the canonical form to the environment variable form, capitalize  it,  and
       prepend BUNDLE_. The environment variable form of "without" is BUNDLE_WITHOUT.

LIST OF AVAILABLE KEYS

       The  following  is  a  list of all configuration keys and their purpose. You can learn more about their operation in bundle install(1) bun-
       dle-install.1.html.

       path (BUNDLE_PATH)
	      The location on disk to install gems. Defaults to $GEM_HOME in development and vendor/bundler when --deployment is used

       frozen (BUNDLE_FROZEN)
	      Disallow changes to the Gemfile. Defaults to true when --deployment is used.

       without (BUNDLE_WITHOUT)
	      A :-separated list of groups whose gems bundler should not install

       bin (BUNDLE_BIN)
	      Install executables from gems in the bundle to the specified directory. Defaults to false.

       gemfile (BUNDLE_GEMFILE)
	      The name of the file that bundler should use as the Gemfile. This location of this file also sets the root of the project, which	is
	      used  to	resolve  relative  paths  in  the Gemfile, among other things. By default, bundler will search up from the current working
	      directory until it finds a Gemfile.

       In general, you should set these settings per-application by using the applicable flag to the bundle install(1) bundle-install.1.html  com-
       mand.

       You can set them globally either via environment variables or bundle config, whichever is preferable for your setup. If you use both, envi-
       ronment variables will take preference over global settings.

LOCAL GIT REPOS

       Bundler also allows you to work against a git repository locally instead of using the remote version. This can be achieved by setting up  a
       local override:

	   bundle config local.GEM_NAME /path/to/local/git/repository

       For example, in order to use a local Rack repository, a developer could call:

	   bundle config local.rack ~/Work/git/rack

       Now  instead of checking out the remote git repository, the local override will be used. Similar to a path source, every time the local git
       repository change, changes will be automatically picked up by Bundler. This means a commit in the local git repo will update  the  revision
       in  the	Gemfile.lock to the local git repo revision. This requires the same attention as git submodules. Before pushing to the remote, you
       need to ensure the local override was pushed, otherwise you may point to a commit that only exists in your local machine.

       Bundler does many checks to ensure a developer won't work with invalid references. Particularly, we force a developer to specify  a  branch
       in  the	Gemfile in order to use this feature. If the branch specified in the Gemfile and the current branch in the local git repository do
       not match, Bundler will abort. This ensures that a developer is always working against the correct branches, and prevents accidental  lock-
       ing to a different branch.

       Finally,  Bundler  also	ensures  that  the current revision in the Gemfile.lock exists in the local git repository. By doing this, Bundler
       forces you to fetch the latest changes in the remotes.

								    March 2013							  BUNDLE-CONFIG(1)