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



NAME
       bundle-config - Set bundler configuration options

SYNOPSIS
       bundle config [list|get|set|unset] [name [value]]

DESCRIPTION
       This  command  allows you to interact with Bundler's configuration sys-
       tem.

       Bundler loads configuration settings in this order:

       1.  Local config (app/.bundle/config or $BUNDLE_APP_CONFIG/config)

       2.  Environmental variables (ENV)

       3.  Global config (~/.bundle/config)

       4.  Bundler default config



       Executing bundle config list with will print a list of all bundler con-
       figuration  for	the  current  bundle, and where that configuration was
       set.

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

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

       Executing  bundle  config set --local <name> <value> will set that con-
       figuration to the local application. The configuration will  be	stored
       in  app/.bundle/config.	If BUNDLE_APP_CONFIG is set, the configuration
       will be stored in $BUNDLE_APP_CONFIG/config.

       Executing bundle config unset <name> will delete the  configuration  in
       both local and global sources.

       Executing  bundle config unset --global <name> will delete the configu-
       ration only from the user configuration.

       Executing bundle config unset --local <name> <value>  will  delete  the
       configuration only from the local application.

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

       Executing bundle config set disable_multisource true upgrades the warn-
       ing  about the Gemfile containing multiple primary sources to an error.
       Executing bundle config unset disable_multisource downgrades this error
       to a warning.

REMEMBERING OPTIONS
       Flags  passed  to bundle install or the Bundler runtime, such as --path
       foo or --without production, are remembered between commands and  saved
       to your local application's configuration (normally, ./.bundle/config).

       However,  this will be changed in bundler 3, so it's better not to rely
       on this behavior. If these options must be remembered, it's  better  to
       set them using bundle config (e.g., bundle config set path foo).

       The options that can be configured are:

       bin    Creates  a  directory (defaults to ~/bin) and place any executa-
	      bles from the gem there. These executables run in Bundler's con-
	      text.  If  used,	you  might add this directory to your environ-
	      ment's PATH variable. For instance, if the rails gem comes  with
	      a rails executable, this flag will create a bin/rails executable
	      that ensures that all referred  dependencies  will  be  resolved
	      using the bundled gems.

       deployment
	      In  deployment mode, Bundler will 'roll-out' the bundle for pro-
	      duction use. Please check carefully if you  want	to  have  this
	      option enabled in development or test environments.

       path   The  location to install the specified gems to. This defaults to
	      Rubygems' setting. Bundler shares this location  with  Rubygems,
	      gem  install  ... will have gem installed there, too. Therefore,
	      gems installed without a --path ...  setting  will  show	up  by
	      calling gem list. Accordingly, gems installed to other locations
	      will not get listed.

       without
	      A space-separated list of groups referencing gems to skip during
	      installation.

       with   A  space-separated  list	of  groups referencing gems to include
	      during installation.

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 set 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)  bun-
       dle-install.1.html  prevents  Bundler  from  installing	certain groups
       specified in the Gemfile(5). Bundler persists this value  in  app/.bun-
       dle/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  BUN-
       DLE_WITHOUT.

       Any  periods in the configuration keys must be replaced with two under-
       scores when setting it via environment variables. The configuration key
       local.rack becomes the environment variable BUNDLE_LOCAL__RACK.

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.

       o   allow_bundler_dependency_conflicts	  (BUNDLE_ALLOW_BUNDLER_DEPEN-
	   DENCY_CONFLICTS):  Allow  resolving	to  specifications  that  have
	   dependencies  on  bundler  that  are  incompatible with the running
	   Bundler version.

       o   allow_deployment_source_credential_changes	 (BUNDLE_ALLOW_DEPLOY-
	   MENT_SOURCE_CREDENTIAL_CHANGES):  When  in  deployment  mode, allow
	   changing   the    credentials    to	  a    gem's	source.    Ex:
	   https://some.host.com/gems/path/	->     https://user_name:pass-
	   word@some.host.com/gems/path

       o   allow_offline_install (BUNDLE_ALLOW_OFFLINE_INSTALL): Allow Bundler
	   to use cached data when installing without network access.

       o   auto_clean_without_path (BUNDLE_AUTO_CLEAN_WITHOUT_PATH): Automati-
	   cally run bundle clean after installing when an explicit  path  has
	   not been set and Bundler is not installing into the system gems.

       o   auto_install   (BUNDLE_AUTO_INSTALL):   Automatically   run	bundle
	   install when gems are missing.

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

       o   cache_all  (BUNDLE_CACHE_ALL):  Cache  all gems, including path and
	   git gems.

       o   cache_all_platforms (BUNDLE_CACHE_ALL_PLATFORMS):  Cache  gems  for
	   all platforms.

       o   cache_path  (BUNDLE_CACHE_PATH):  The  directory  that bundler will
	   place cached gems in when running bundle package, and that  bundler
	   will look in when installing gems. Defaults to vendor/cache.

       o   clean (BUNDLE_CLEAN): Whether Bundler should run bundle clean auto-
	   matically after bundle install.

       o   console (BUNDLE_CONSOLE): The console that bundle  console  starts.
	   Defaults to irb.

       o   default_install_uses_path	   (BUNDLE_DEFAULT_INSTALL_USES_PATH):
	   Whether a  bundle  install  without	an  explicit  --path  argument
	   defaults to installing gems in .bundle.

       o   deployment  (BUNDLE_DEPLOYMENT):  Disallow  changes to the Gemfile.
	   When the Gemfile is changed and the lockfile has not been  updated,
	   running Bundler commands will be blocked.

       o   disable_checksum_validation	 (BUNDLE_DISABLE_CHECKSUM_VALIDATION):
	   Allow installing gems even if they do not match the	checksum  pro-
	   vided by RubyGems.

       o   disable_exec_load  (BUNDLE_DISABLE_EXEC_LOAD):  Stop  Bundler  from
	   using load to launch an executable in-process in bundle exec.

       o   disable_local_branch_check	  (BUNDLE_DISABLE_LOCAL_BRANCH_CHECK):
	   Allow  Bundler  to use a local git override without a branch speci-
	   fied in the Gemfile.

       o   disable_multisource (BUNDLE_DISABLE_MULTISOURCE):  When  set,  Gem-
	   files  containing  multiple	sources will produce errors instead of
	   warnings. Use bundle config unset disable_multisource to unset.

       o   disable_shared_gems (BUNDLE_DISABLE_SHARED_GEMS): Stop Bundler from
	   accessing gems installed to RubyGems' normal location.

       o   disable_version_check  (BUNDLE_DISABLE_VERSION_CHECK): Stop Bundler
	   from  checking  if  a  newer  Bundler  version  is	available   on
	   rubygems.org.

       o   force_ruby_platform	(BUNDLE_FORCE_RUBY_PLATFORM):  Ignore the cur-
	   rent machine's platform and install only ruby platform gems.  As  a
	   result, gems with native extensions will be compiled from source.

       o   frozen  (BUNDLE_FROZEN):  Disallow changes to the Gemfile. When the
	   Gemfile is changed and the lockfile has not been  updated,  running
	   Bundler  commands  will be blocked. Defaults to true when --deploy-
	   ment is used.

       o   gem.push_key (BUNDLE_GEM__PUSH_KEY): Sets the --key	parameter  for
	   gem	push  when  using the rake release command with a private gem-
	   stash server.

       o   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 Gem-
	   file,  among  other things. By default, bundler will search up from
	   the current working directory until it finds a Gemfile.

       o   global_gem_cache (BUNDLE_GLOBAL_GEM_CACHE): Whether Bundler	should
	   cache all gems globally, rather than locally to the installing Ruby
	   installation.

       o   ignore_messages (BUNDLE_IGNORE_MESSAGES): When set, no post install
	   messages will be printed. To silence a single gem, use dot notation
	   like ignore_messages.httparty true.

       o   init_gems_rb (BUNDLE_INIT_GEMS_RB) Generate a gems.rb instead of  a
	   Gemfile when running bundle init.

       o   jobs  (BUNDLE_JOBS): The number of gems Bundler can install in par-
	   allel. Defaults to 1.

       o   no_install (BUNDLE_NO_INSTALL): Whether bundle package should  skip
	   installing gems.

       o   no_prune  (BUNDLE_NO_PRUNE):  Whether Bundler should leave outdated
	   gems unpruned when caching.

       o   only_update_to_newer_versions     (BUNDLE_ONLY_UPDATE_TO_NEWER_VER-
	   SIONS): During bundle update, only resolve to newer versions of the
	   gems in the lockfile.

       o   path (BUNDLE_PATH): The location on disk where  all	gems  in  your
	   bundle will be located regardless of $GEM_HOME or $GEM_PATH values.
	   Bundle gems not found in this location will be installed by	bundle
	   install.  Defaults  to Gem.dir. When --deployment is used, defaults
	   to vendor/bundle.

       o   path.system (BUNDLE_PATH__SYSTEM):  Whether	Bundler  will  install
	   gems into the default system path (Gem.dir).

       o   path_relative_to_cwd   (BUNDLE_PATH_RELATIVE_TO_CWD)  Makes	--path
	   relative to the CWD instead of the Gemfile.

       o   plugins (BUNDLE_PLUGINS): Enable Bundler's experimental plugin sys-
	   tem.

       o   prefer_patch  (BUNDLE_PREFER_PATCH):  Prefer  updating only to next
	   patch version during updates. Makes bundle update calls  equivalent
	   to bundler update --patch.

       o   print_only_version_number  (BUNDLE_PRINT_ONLY_VERSION_NUMBER) Print
	   only version number from bundler --version.

       o   redirect (BUNDLE_REDIRECT): The number  of  redirects  allowed  for
	   network requests. Defaults to 5.

       o   retry  (BUNDLE_RETRY):  The number of times to retry failed network
	   requests. Defaults to 3.

       o   setup_makes_kernel_gem_public   (BUNDLE_SETUP_MAKES_KERNEL_GEM_PUB-
	   LIC):  Have	Bundler.setup  make the Kernel#gem method public, even
	   though RubyGems declares it as private.

       o   shebang (BUNDLE_SHEBANG): The program name that should  be  invoked
	   for	generated  binstubs. Defaults to the ruby install name used to
	   generate the binstub.

       o   silence_deprecations (BUNDLE_SILENCE_DEPRECATIONS): Whether Bundler
	   should  silence  deprecation  warnings  for	behavior  that will be
	   changed in the next major version.

       o   silence_root_warning  (BUNDLE_SILENCE_ROOT_WARNING):  Silence   the
	   warning Bundler prints when installing gems as root.

       o   skip_default_git_sources (BUNDLE_SKIP_DEFAULT_GIT_SOURCES): Whether
	   Bundler should skip adding default git source shortcuts to the Gem-
	   file DSL.

       o   specific_platform   (BUNDLE_SPECIFIC_PLATFORM):  Allow  bundler  to
	   resolve for the specific running platform and store it in the lock-
	   file, instead of only using a generic platform. A specific platform
	   is the exact platform triple reported by Gem::Platform.local,  such
	   as  x86_64-darwin-16  or  universal-java-1.8.  On  the  other hand,
	   generic platforms are those such as ruby, mswin, or java.  In  this
	   example,  x86_64-darwin-16 would map to ruby and universal-java-1.8
	   to java.

       o   ssl_ca_cert (BUNDLE_SSL_CA_CERT): Path to a designated CA  certifi-
	   cate  file  or  folder containing multiple certificates for trusted
	   CAs in PEM format.

       o   ssl_client_cert (BUNDLE_SSL_CLIENT_CERT): Path to a designated file
	   containing a X.509 client certificate and key in PEM format.

       o   ssl_verify_mode (BUNDLE_SSL_VERIFY_MODE): The SSL verification mode
	   Bundler uses when making HTTPS requests. Defaults to verify peer.

       o   suppress_install_using_messages (BUNDLE_SUPPRESS_INSTALL_USING_MES-
	   SAGES):  Avoid printing Using ... messages during installation when
	   the version of a gem has not changed.

       o   system_bindir (BUNDLE_SYSTEM_BINDIR): The location  where  RubyGems
	   installs binstubs. Defaults to Gem.bindir.

       o   timeout (BUNDLE_TIMEOUT): The seconds allowed before timing out for
	   network requests. Defaults to 10.

       o   unlock_source_unlocks_spec	  (BUNDLE_UNLOCK_SOURCE_UNLOCKS_SPEC):
	   Whether  running bundle update --source NAME unlocks a gem with the
	   given name. Defaults to true.

       o   update_requires_all_flag (BUNDLE_UPDATE_REQUIRES_ALL_FLAG)  Require
	   passing  --all  to bundle update when everything should be updated,
	   and disallow passing no options to bundle update.

       o   user_agent (BUNDLE_USER_AGENT):  The  custom  user  agent  fragment
	   Bundler includes in API requests.

       o   with (BUNDLE_WITH): A :-separated list of groups whose gems bundler
	   should install.

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



       In  general, you should set these settings per-application by using the
       applicable flag to the bundle install(1) bundle-install.1.html or  bun-
       dle package(1) bundle-package.1.html command.

       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 set local.GEM_NAME /path/to/local/git/repository



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



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



       Now instead of checking out the remote git repository, the local  over-
       ride  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 com-
       mit  that  only	exists	in your local machine. You'll also need to CGI
       escape your usernames and passwords as well.

       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 locking
       to a different branch.

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

MIRRORS OF GEM SOURCES
       Bundler supports overriding gem sources with mirrors. This  allows  you
       to configure rubygems.org as the gem source in your Gemfile while still
       using your mirror to fetch gems.



	   bundle config set mirror.SOURCE_URL MIRROR_URL



       For example, to use a mirror of rubygems.org  hosted  at  rubygems-mir-
       ror.org:



	   bundle config set mirror.http://rubygems.org http://rubygems-mirror.org



       Each  mirror  also  provides  a fallback timeout setting. If the mirror
       does not respond within the fallback timeout, Bundler will try  to  use
       the original server instead of the mirror.



	   bundle config set mirror.SOURCE_URL.fallback_timeout TIMEOUT



       For example, to fall back to rubygems.org after 3 seconds:



	   bundle config set mirror.https://rubygems.org.fallback_timeout 3



       The  default  fallback timeout is 0.1 seconds, but the setting can cur-
       rently only accept whole seconds (for example, 1, 15, or 30).

CREDENTIALS FOR GEM SOURCES
       Bundler allows you to configure credentials for any gem	source,  which
       allows you to avoid putting secrets into your Gemfile.



	   bundle config set SOURCE_HOSTNAME USERNAME:PASSWORD



       For  example,  to  save	the  credentials of user claudette for the gem
       source at gems.longerous.com, you would run:



	   bundle config set gems.longerous.com claudette:s00pers3krit



       Or you can set the credentials as an environment variable like this:



	   export BUNDLE_GEMS__LONGEROUS__COM="claudette:s00pers3krit"



       For gems with a git source with HTTP(S) URL you can specify credentials
       like so:



	   bundle config set https://github.com/bundler/bundler.git username:password



       Or you can set the credentials as an environment variable like so:



	   export BUNDLE_GITHUB__COM=username:password



       This  is  especially  useful  for private repositories on hosts such as
       Github, where you can use personal OAuth tokens:



	   export BUNDLE_GITHUB__COM=abcd0123generatedtoken:x-oauth-basic



CONFIGURE BUNDLER DIRECTORIES
       Bundler's home, config, cache and plugin directories  are  able	to  be
       configured  through  environment  variables.  The  default location for
       Bundler's home directory is ~/.bundle, which  all  directories  inherit
       from by default. The following outlines the available environment vari-
       ables and their default values



	   BUNDLE_USER_HOME : $HOME/.bundle
	   BUNDLE_USER_CACHE : $BUNDLE_USER_HOME/cache
	   BUNDLE_USER_CONFIG : $BUNDLE_USER_HOME/config
	   BUNDLE_USER_PLUGIN : $BUNDLE_USER_HOME/plugin






				 February 2020		      BUNDLE-CONFIG(1)