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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
       system.

       Bundler loads configuration settings in this order:

       1.  Local        config        (<project_root>/.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
       configuration for the current bundle, and where that configuration  was
       set.

       Executing  bundle  config  get  <name>  will  print  the  value of that
       configuration 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
       configuration   in   the  directory  for  the  local  application.  The
       configuration  will  be  stored  in  <project_root>/.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
       configuration 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
       warning  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
              executables  from  the  gem  there.  These  executables  run  in
              Bundler's context. If used, you might add this directory to your
              environment'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
              production 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)
       bundle-install.1.html  prevents  Bundler from installing certain groups
       specified  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.

       Any  periods  in  the  configuration  keys  must  be  replaced with two
       underscores  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)
       bundle-install.1.html.

       o   allow_bundler_dependency_conflicts
           (BUNDLE_ALLOW_BUNDLER_DEPENDENCY_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_DEPLOYMENT_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:password@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):
           Automatically  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
           automatically 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
           provided 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
           specified in the Gemfile.

       o   disable_multisource   (BUNDLE_DISABLE_MULTISOURCE):    When    set,
           Gemfiles 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
           current 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
           --deployment 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
           gemstash 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
           Gemfile,  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
           parallel. 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_VERSIONS):  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
           system.

       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_PUBLIC): 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   specific_platform  (BUNDLE_SPECIFIC_PLATFORM):  Allow  bundler   to
           resolve  for  the  specific  running  platform  and store it in the
           lockfile, 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
           certificate 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_MESSAGES): 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
       bundle 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,
       environment 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
       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. 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
       Gemfile.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-mirror.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
       currently 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
       variables 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






                                   July 2020                  BUNDLE-CONFIG(1)