ruby command line arguments gem

The fetch command fetches gem files that can be stored for later use or summary is a short description displayed in `gem help commands`. directory by default. The unpack command allows you to examine the contents of a gem or modify Base class for all ::Gem commands. There are three areas of concern to address when building a command-line application: the input, output, and everything in between. Override to display a longer description of what this command does. 3 The Rails Advanced Command Line. before it is added. If no explicit file is given RubyGems attempts to find keys: RubyGems’ default local repository can be overridden with the GEM_PATH and Use –overwrite to force rebuilding of documentation. This reference was automatically generated from RubyGems version 3.1.4. You can use the which command to help determine why you are requiring a Support for parsing of positional arguments, keyword arguments, flags, options and environment variables. Isolate) is present. If you need to install a gem for use both during development and testing make sure the gem is available in both directories. The update command will update your gems to the latest version. RubyGems can install a consistent set of gems across multiple environments -​-[no-]format-executable - Assume executable names match Ruby’s prefix and suffix. update the gems with the update or install commands. When creating a new gem command, define #initialize, #execute, #arguments, #defaults_str, #description and #usage (as appropriate). Display the help message for the command. extensions will be restored. -​-[no-]force - Uninstall all versions of the named gems ignoring dependencies. handlerwill be called with two values, the value of the argument and the options hash. -e, -​-editor COMMAND - Prepends COMMAND to gem path. versions or edit the HTML page of the gem. the versions for the gem given in the command line. Rake-0.7.0.1 is the most recent version installed that satisfies that, so we repository. See the build defaults are the default options. Let's start with an example of code that parses the command line. No documentation. -​-[no-]user-install - Cleanup in user’s home directory instead of GEM_HOME. compact puts each CSS rule on its own single line. For gems with executables ruby installs a wrapper file into the executable If you’re developing a one-off command-line tool that simply takes an input or source and processes/formats it and spits out the information, then your work is rather simple. Ruby Code. Specifying an invocation block allows the test methods to override the normal action of a command to determine that it has been invoked correctly. You probably Get a single gem name from the command line. Override to provide details of the arguments a command takes. Ruby 2.7 will warn for behaviors that will change in Ruby 3.0. configured them before or have an old ~/.gemrc. Like the number of CPUs, system clock, and many, many more. When the RUBYGEMS_GEMDEPS environment variable is set to a gem dependencies using gem install -g when a gem dependencies file (gem.deps.rb, Gemfile or -​-[no-]user-install - Uninstall from user’s home directory in addition to GEM_HOME. permission to. via the webhooks. lib/rubygems/defaults/operating_system.rb, Download a gem and place it in the current directory. The mandatory argument is a description of the list of valid switches. Separated by spaces, each word or string will be passed as a separate argument to the Ruby program. The provided command-line interface is flexible and follows commond standards for command-line processing. Remove previously defined command-line argument name. To speed up development, I use the optparse-plus gem. Become a contributor and enhance the site with your own changes. Listed here are some tricks up Rails’ sleeve. ", "Please specify at least one gem name (e.g. If you accidentally pushed passwords or other sensitive then repackaging it. Command line argument defaults and some RubyGems defaults can be set in a How to generate models, controllers, database migrations, and unit tests. The check command can list and repair problems with installed gems and gem build GEMNAME)", /\A(. When defining a new command subclass, use add_option to add command-line switches. You should really use the list and search commands instead. expanded writes each selector and declaration on its own line. individually from the index. If the cached gem cannot be found it will be downloaded. Handle the given list of arguments by parsing them and recording the results. Reading command-line arguments. Defaults should be mirrored in defaults_str, unless there are none.. Initializes a generic gem command named command. The syntax is fully … Base class for all Gem commands. Options.py contains a variety of options that can be set on the command line. See OptionParser#make_switchfor an explanation of opts. will revert them. -​-development - Install additional development dependencies, -​-development-all - Install development dependencies for all gems (including dev deps themselves), -​-conservative - Don’t attempt to upgrade gems already meeting version requirement, -​-minimal-deps - Don’t upgrade any dependencies that already meet version requirements, -​-[no-]post-install-message - Print post install message, -g, -​-file [FILE] - Read from a gem dependencies API file and install the listed gems, -​-without GROUPS - Omit the named groups (comma separated) when installing from a gem dependencies file, -​-default - Add the gem’s full specification to specifications/default and extract only its bin, -​-explain - Rather than install the gems, indicate which would be installed, -​-[no-]lock - Create a lock file (when used with -g/-​-file), -​-[no-]suggestions - Suggest alternates when gems are not found, -v, -​-version VERSION - Specify version of gem to list for use with -​-installed, -d, -​-[no-]details - Display detailed information of gem(s), -s, -​-[no-]strict - fail if unable to satisfy a dependency. Notice that rails 1.0.0 only requires that rake 0.6.2 or better be used. Instantly publish your gems and install them. You can use the Features. The article consists of two main parts: building the command line application and making it available via Homebrew. The outdated command lists gems you may wish to upgrade to a newer version. lib/rubygems/defaults.rb. version you did not expect or to look at the content of a file you are –ignore-dependencies option to skip this check. Query gem information in local or remote repositories. Splitting the last argument into positional and keyword parameters is deprecated In most cases, you can avoid the incompatibili… ~/.gemrc). The given directory will be the directory you serve It will look at the next element on the command line, and extract information from it. To upgrade RubyGems or install it for the first time (if you need to use Ruby 1.9) visit the download page. You can help the Ruby community by adding new notes. On the command-line, any text following the name of the script is considered a command-line argument. Get a single optional argument from the command line. -​-vendor - Uninstall gem from the vendor directory. - sinm/argparser Mirror all gem files (requires rubygems-mirror). A full recursive search of all effected gems will be If –no-extensions is provided pristine will not attempt to restore a gem Gem.post_installs hook. Useful for building packages. https://rubygems.org). version is also installed. command to remove old versions. Adds a section with title and content to the parser help view. It is used to ensure compatibility. Handling command line arguments and options can be annoying and require effort, but not so with optparse-plus. NOTE: Enabling automatic discovery on multiuser systems can lead to RubyGems has been configured to serve gems via the following URLs through Using the ARGV array. When written inside your Ruby program, ARGV will take take a command line command that looks like this:ruby testing_argv.rb these are elements in the argv arrayand create an array that looks like this: [\"these\", \"are\", \"elements\", \"in\", \"the\", \"argv\", \"array\"]Now you try! documentation may be built through rubygems plugins and the specification is not written out, but the gem remains unpacked in the The install command installs local or remote gem into a gem repository. Find the location of a library file you can require. Only for use by gem repackagers. {1,#{width}})( +|$\n?)|(. The uninstall command removes a previously installed gem. To search for remote gems use the search command. are left in … Ruby captures command line arguments with a special array named ARGV. Display information about the RubyGems environment. -​-vendor - Install gem into the vendor directory. command help for an example. the named gem). https://rubygems.org) and adds it to the index. DIRECTORY for all users. Class : Gem::Command - Ruby 2.4.1 . homepage, the author, the locations of different versions of the gem. Set it to a https://rubygems.org), -​-all - Restore all installed gems to pristine condition, -​-skip=gem_name - used on -​-all, skip if name == gem_name, -​-[no-]extensions - Restore gems with extensions in addition to regular gems, -​-only-executables - Only restore executables, -E, -​-[no-]env-shebang - Rewrite executables with a shebang of /usr/bin/env, -v, -​-version VERSION - Specify version of gem to restore to pristine condition, -​-host HOST - Push to another gemcutter-compatible host (e.g. Override to display the usage for an individual gem command. You may need to specify the path to the library’s headers and (Only for listed gems), -i, -​-install-dir DIR - Gem repository directory to get installed gems, -n, -​-bindir DIR - Directory where executables are located, -​-document [TYPES] - Generate documentation for installed gems List the documentation types you wish to generate. The lock command will generate a list of +gem+ statements that will lock down See the build command help for an example of unpacking a gem, modifying it, gems. When creating a new gem command, define initialize, execute, arguments, defaults_str, description and usage (as appropriate). the –directory option. required to meet a dependency. GEM_PATH allows multiple local repositories to be searched for A very good example to look at is Commands::ContentsCommand The CLI is executed by calling the OpenStudio SDK executable from the command line with a set of command line arguments. If you want to see how to require files from a gem, skip ahead to What is a gem Just load lockdown.rb from your application to ensure that the current to write the specification by hand. Unpack an installed gem to the current directory. yourself to use your own gem server. environment variable can be set to the URI for that server. You can use this command to discover gems and gem versions you are no If –extensions is given (but not –all or gem names) only gems with Ruby Sass supports four output styles: nested (the default) indents CSS rules to match the nesting of the Sass source. use in shell scripts or as a debugging aid. By default ; Press Ctrl twice to invoke the Run Anything popup and execute the ruby script.rb command. use with other commands. Generates the index files for a gem server directory. specific filename or to “-“ to have RubyGems automatically discover the gem If you see the following warnings, you need to update your code: 1. take a little longer to complete as it must download the information data you will need to change them immediately and yank your gem. It didn't go very well. The command expects a ‘gems’ directory under the path given to Documentation and gem repository HTTP server. The gem command allows you to interact with RubyGems.. Ruby 1.9 and newer ships with RubyGems built-in but you may need to upgrade for bug fixes or new features. If more than one argument is given, return only the first. gems. All extensions are rebuilt and all bin stubs for the gem are left in options[:args]. How to experiment with objects through an interactive shell. The cert command manages signing keys and certificates for creating signed Passing the keyword argument as the last hash parameter is deprecated, or 3. Initializes a generic gem command named command.summary is a short description displayed in `gem help commands`.defaults are the default options. The GetoptLong class allows you to parse command line options similarly to the GNU getopt_long() C library call. be consistent. Check a gem repository for added or missing files. Accessor for the specific extra args hash (self initializing). You can do this by adding a – between RubyGems’ cached .gem file and restores any files that don’t match the cached .gem’s Note that with the current implementation, every version of the option needs to be explicitly deprecated, so to deprecate an option defined as, you would need to explicitly add a call to `deprecate_option` for every version of the option you want to deprecate, like. Manage gem owners of a gem on the push server. The mirror command has been moved to the rubygems-mirror gem. The gemspec can either be created by hand or extracted from an existing gem The hexapdf command provides many other functionalities, like decrypting or encrypting a file, extracting images or files from a PDF file, inspecting a PDF file and more. RUBYLIB environment variable or -I: You can repackage an unpacked gem using the build command. *):(#{Gem::Requirement::PATTERN_RAW})\z/, "Please specify a gem name on the command line (e.g. The –details option displays additional details from the gem but will GEM - gem to manage owners for; Description. True if long begins with the characters from short. execution of arbitrary code when used from directories outside your control. However if you’re developing a user interface with menus to navigate, things start getting more complicated. Show the dependencies of an installed gem. as the gem repository. Info prints information about the gem such as name, description, website, license and installed paths. which ships with RubyGems. The Marshal version number comes from ruby’s Marshal::MAJOR_VERSION and Apart from providing the command line tool as one show-case application, the HexaPDF library can be used for all things PDFs (except for rendering). The push command will use ~/.gem/credentials to authenticate to a server, but you can use the RubyGems environment variable GEM_HOST_API_KEY to set the api key to authenticate. The which command is like the shell which command and shows you where The wrapper allows you to choose among alternate gem versions using version. for gem installation. server (the default is https://rubygems.org). The update command does not remove the previous version. GEM_HOME sets the default repository to It will specify exact -​-[no-]user-install - Install in user’s home directory instead of GEM_HOME. As an example, the following command installs pry locally in the project. The build command allows you to create a gem from a ruby gemspec. To install gems from a running server, use gem install GEMNAME --source longer using. Only for use by gem repackagers. So your program will see one argument, "foo". TTY::Option. In Ruby 3.0, positional arguments and keyword arguments will be separated. Use of common RubyGems commands. If Ruby is ruby18, foo_exec will be foo_exec18. - If nil, an empty 'CommandLineArguments' XML node will be created - If an REXML::Element, it must be named 'CommandLineArguments' - If an Array of objects or Hashes, they'll each be passed to {#assign_argument} For example, ARGV[0] returns the first argument passed to the Ruby script. unpacked to examine their contents. the file you wish to require lives. It can take a configuration block in an initializer file as long as it is called from Rails Console. If you would like to push gems to a private gem server the RUBYGEMS_HOST http://gem_server_host:8808. It should return a left-justified string, one argument per line. RubyGems.org is the Ruby community’s gem hosting service. Manage the sources and cache file RubyGems uses to search for gems. Defaults should be mirrored in defaults_str, unless there are none. "The \"#{option}\" option has been deprecated and will be removed in Rubygems #{version_to_expire}. This method has no description. -​-[no-]abort-on-dependent - Prevent uninstalling gems that are depended on by other gems. gem pristine install into. The cleanup command removes old versions of gems from GEM_HOME that are not Once you have pushed a gem several downloads will happen automatically You can set up a shortcut to gem server documentation using the URL: Sign in to any gemcutter-compatible host. Display local gems whose name matches REGEXP. Yet another ruby command line argument parser library. copy. If you are behind a proxy server, RubyGems uses the HTTP_PROXY, If you have the following code in a file named argv.rb: p ARGV And if you run this code using ruby argv.rb test abc 1 2 3, you’ll get this: The host can be provided with the host flag or can be inferred from the provided gem. When done, it will generate a set of files like this: The .rz extension files are compressed with the inflate algorithm. proxy server. of them in your list. When defining a new command subclass, use #add_option to add command-line switches.. Unhandled arguments (gem names, files, etc.) The goal of this article is to show you how you can create your command line application using the Ruby programming language and make it available via Homebrew, so anyone can install it quickly and use in seconds. To remove a source use the –remove argument: The specification command allows you to extract the specification from The rdoc command builds documentation for installed gems. It defaults to https://rubygems.org. See the above mentioned methods for details. -a, -​-add CERT - Add a trusted certificate. See the above mentioned methods for details. The push command uploads a gem to the push server (the default is The environment command lets you query rubygems for its configuration for The text “[options]” is automatically appended to the usage text. compressed removes as many extra characters as possible, and writes the entire stylesheet on a single line. -​-build-root DIR - Temporary installation root. You only have to write the command-line switch, its arguments, the code to run when it's encountered, and the command-line switch description once in your script. -v, -​-version VERSION - Specify version of gem to uninstall, -​-platform PLATFORM - Specify the platform of gem to uninstall. You may override these in options will be filled in with your parsed options, unparsed options will be left in options[:args]. I like Ruby because it is expressive, it is fairly easy to send and read command line arguments and has a nice mechanism to parse those arguments. requiring to see why it does not behave as you expect. The owner of a gem has the permission to push new versions, yank existing ~/.gemrc file for individual users and a gemrc in the SYSTEM CONFIGURATION It uses Ruby’s own classes, methods, and argument lists to provide an interface that is both simple to use from the command-line side and from the Ruby side. Display the contents of the installed gems. The name of the command for command-line invocation. Specific fields in the specification can be extracted in YAML format: The stale command lists the latest access time for all the files in your -v, -​-version VERSION - Specify version of gem to contents, -​-all - Contents for all gems, -s, -​-spec-dir a,b,c - Search for gems under specific paths, -l, -​-[no-]lib-only - Only return files in the Gem’s lib_dirs, -​-[no-]prefix - Don’t include installed path prefix, -​-[no-]show-install-dir - Show only the gem install dir, -v, -​-version VERSION - Specify version of gem to dependency, -​-platform PLATFORM - Specify the platform of gem to dependency, -​-[no-]prerelease - Allow prerelease versions of a gem, -R, -​-[no-]reverse-dependencies - Include reverse dependencies in the output, -​-pipe - Pipe Format (name -​-version ver), -u, -​-[no-]update-sources - Update local source cache, -l, -​-local - Restrict operations to the LOCAL domain, -r, -​-remote - Restrict operations to the REMOTE domain, -b, -​-both - Allow LOCAL and REMOTE operations, -B, -​-bulk-threshold COUNT - Threshold for switching to bulk synchronization (default 1000), -​-clear-sources - Clear the gem sources, -s, -​-source URL - Append URL to list of remote gem sources, -p, -​-[no-]http-proxy [URL] - Use HTTP proxy for remote operations, -v, -​-version VERSION - Specify version of gem to fetch, -​-platform PLATFORM - Specify the platform of gem to fetch, -d, -​-directory=DIRNAME - repository base dir containing gems subdir, -​-[no-]modern - Generate indexes for RubyGems (always true), -​-update - Update modern indexes with gems added since the last update, -i, -​-[no-]installed - Check for installed gem, -I - Equivalent to -​-no-installed, -v, -​-version VERSION - Specify version of gem to info for use with -​-installed, -​-[no-]versions - Display only gem names, -a, -​-all - Display all gem versions, -e, -​-exact - Name of gem(s) to query on matches the provided STRING, -​-[no-]prerelease - Display prerelease versions, -​-platform PLATFORM - Specify the platform of gem to install, -v, -​-version VERSION - Specify version of gem to install, -​-[no-]prerelease - Allow prerelease versions of a gem to be installed. The signout command is used to sign out from all current sessions, allowing you to sign in using a different set of credentials. lock it down to the exact version. For Merge a set of command options with the set of default options (without modifying the default option hash). Use the API to interact and find out more information about available gems. The yank command permanently removes a gem you pushed to a server. A very good example to look at is Gem::Commands::ContentsCommand. HTTP_PROXY_USER and HTTP_PROXY_PASS environment variables to discover the generated. The call to Getopt on step 2 is where most of the work is done. Used for adding command arguments and default arguments. ; Right-click a script in the editor or Project view and select Run ‘script’ from the context menu. with gem spec: Gems can be saved to a specified filename with the output option: Manage RubyGems certificates and signing settings. with an extension. For gem generate_index --directory /path/to/repo, expose /path/to/repo via https://rubygems.org is recommended as it brings the Add a command-line option and handler to the command. The dependency commands lists which other gems a given gem depends on. -​-target=DIR - target directory for unpacking, -​-spec - unpack the gem specification, -v, -​-version VERSION - Specify version of gem to unpack, -​-system [VERSION] - Update the RubyGems system software, -​-platform PLATFORM - Specify the platform of gem to update, -​-[no-]prerelease - Allow prerelease versions of a gem as update targets, -a, -​-[no-]all - show all matching files, -g, -​-[no-]gems-first - search gems before non-gems, -v, -​-version VERSION - Specify version of gem to remove, -​-platform PLATFORM - Specify the platform of gem to remove, -​-host HOST - Yank from another gemcutter-compatible host (e.g. If the first argument of add_option is a Symbol, it's used to group options in output. -N, -​-no-document - Disable documentation generation, -E, -​-[no-]env-shebang - Rewrite the shebang line on installed scripts to use /usr/bin/env, -f, -​-[no-]force - Force gem to install, bypassing dependency checks, -w, -​-[no-]wrappers - Use bin wrappers for executables Not available on dosish platforms, -P, -​-trust-policy POLICY - Specify gem trust policy, -​-ignore-dependencies - Do not install any required dependent gems, -​-[no-]format-executable - Make installed executable names match Ruby. -- directory /path/to/repo, expose /path/to/repo via your HTTP server configuration ( not /path/to/repo/gems ) by adding notes... The parameters named gems ignoring dependencies command, define initialize, execute arguments! The keyword argument as the gem given in the project built-in defaults discover gems and and. Downloads will happen automatically via the webhooks be called with two values the. Re developing a user interface with menus to navigate, things start getting more complicated for your program will one! Options and environment variables and built-in defaults - cleanup in user ’ s directory... My gem named `` Falcon '' runs from the source given before it is added apart the. Generates the index files for a gem to the –directory option args ] `` foo '' typically stored in and! Yank command permanently removes a gem repository downloads will happen automatically via the.... You update your gems to pristine condition from files located in the project or remote into. Content to the Ruby community ’ s headers and libraries to continue: which... Argument in the current versions are loaded execute method of the gem cache the previous ruby command line arguments gem. Up development, I use the –remove argument: the.rz extension files are compressed with the command... The context menu valid switches gem: ver is pull apart into the gen name and version, respectively arguments. Or as a command to determine that it has been deprecated and will up... But displays the default values of the gem cache to require lives suitable for piping for use in shell or! And adds it to the library ’ s home directory in addition GEM_HOME! Creates an option parser and fills it in the current directory etc. ruby command line arguments gem follows commond standards for command-line.! Any arguments the sources lists your currently configured sources: this may list multiple sources or non-rubygems sources for description... Directory in addition to GEM_HOME was automatically generated from RubyGems version 3.1.4 you... Yourself to use your own gem server condition from files located in the command expects a ‘ gems directory.: the.rz extension files are compressed with the help info for the command... To hash-like syntax installed elsewhere in GEM_PATH the cleanup command removes old versions gems... Format suitable for piping for use both during development and testing make sure the gem: //rubygems.org ) set! Make sure that lockdown.rb is loaded before any other require statements the normal action of a gem on push... Page of the arguments a command line arguments and keyword arguments will be passed as a debugging aid –remove. Arguments and keyword arguments, defaults_str, unless there are none cert - add a command-line option handler... It for the push server ( the default options ( without modifying the default is https //rubygems.org! In options [: args ] options ] ” is automatically appended to the gem.... Sdk executable from the server using the URL: sign in using a set! Be filled in with your parsed options, unparsed options will be the directory you serve the. Or non-rubygems sources use or unpacked to examine the contents of a server. No longer using arguments will be restored and handler to the usage text begins with given! Restore a gem has the permission to push new versions, yank existing versions or edit the page. Note, however, that this object represents last hash parameter is deprecated, unit! A Rakefile and the options hash action of a gem on a line... Usage for an explanation of opts that the argument `` foo '' intended. A longer description of what this command to determine that it has been and! Push new versions, yank existing versions or edit the HTML page of the list repair! Input and run the main Ruby classes in My app, no problem and HTTP_PROXY_PASS environment variables built-in! To arguments, gemrc files, etc. been partially uninstalled versions you are packaging RubyGems all of RubyGems defaults... A format suitable for piping for use both during development and testing sure! The previous version 1.0.0 only requires that rake 0.6.2 or better be used out more information about gem. You add and remove owners of a gem to uninstall, -​-platform PLATFORM specify! And reasons why strategy for the yank command the text “ [ options ] is. For further discussion see the help for the first argument of add_option is description. As name, description and usage ( as appropriate ) command-line interface is flexible and follows commond for! Extensions will be restored Right-click a script in the form gem::PackageTask ruby command line arguments gem with! Be careful of who you give push permission to push new versions, existing. Enough to know that the argument and the gem are regenerated after checking for modifications with extensions will restored. To do a post ruby command line arguments gem creating your first Ruby gem as a separate argument to the latest.! Parameters via DSL with a fallback to hash-like syntax: How to create a Rails application ruby command line arguments gem server! Will automatically generate help screens for you from this description, as well as infer everything the. View and select run ‘ script ’ from the index files for a push server ( the default is:! Listed here are some tricks up Rails ’ sleeve a longer description the... Gem you pushed to a gem and place it in the gem can not be found reasons... Lists your currently configured sources: this may list multiple sources or non-rubygems.... Option to skip this check restore a gem repository arguments a command to gem path concerned, you running... Usually take multiple options or ‘ flags ’ use a Rakefile and the gem do a on... Do a post on creating your first Ruby gem as a source for gem installation license and installed paths sources. Screens for you from this description, website, license and installed paths parsed parameters DSL... Will know: How to experiment with objects through an interactive shell owners! Given, return only the reverse dependencies can be displayed in ` gem help commands ` with! Will ask for confirmation if you are no longer using local repositories to be for. Are typically stored in ~/.gem/gem-public_cert.pem and ~/.gem/gem-private_key.pem respectively using rdoc, but types..., that this object represents How to create a gem that is a built-in in... Yank your gem passed as a source for gem installation cache files for installed and. ) visit the download page connection to gem path RubyGems ruby command line arguments gem defaults are in.. Modifying it, then repackaging it cache file RubyGems uses the HTTP_PROXY, and... Choose among alternate gem versions using version for its configuration for use in shell scripts or as a debugging.... The –ignore-dependencies option to skip this check homepage, the locations of different versions of work! Most recent version installed that satisfies that, so we lock it down to the –directory.... There is no gem name or if there is more than one argument ``... A pure Ruby implementation an old ~/.gemrc string to be searched for gems with executables Ruby installs a wrapper into. Is deprecated, or 2 set on the push command uploads a to... Gem_Path the cleanup command won ’ t delete it the summary, the locations of different versions of the.... All effected gems will be foo_exec18 help list ` for an example of unpacking a gem an... Instead of GEM_HOME at least one gem name or if there is more than one gem name or if is. An SSL connection to gem downloads by spaces, each word or string will be.... As a command takes gem into a gem on the named gems ignoring dependencies will revert them page of argument. ( but not –all or gem names ) only gems with executables installs. Scripts off right - the optparse-plus gem are typically stored in your ~/.gemrc ) twice invoke... Server using the dependency list can be output in YAML, Ruby or Marshal.... Adds a section with title and content to the index ruby command line arguments gem https: //rubygems.org ) with. Methods to override the normal action of a library file you wish to upgrade to newer! Place it in with the characters from short the options hash will check to see if gems can be in... Allowing you to create a gem dependencies file the gems from the command good place look. ’ sleeve be provided with the given directory will be separated specify a deprecation horizon ( as )! Specification can be set on the command specific extra args hash ( self initializing.... The cert command manages signing keys and certificates for creating signed gems dependency of an existing gem list! Build command help for the yank command ( self initializing ) the latest version the 'CommandLineArguments ' XML node or... A left-justified string, one argument per line name and version, respectively keyword. Rails ’ sleeve ; description to help diagnose a bug gems and specifications and will be the you! //Rubygems.Org is recommended as it brings the protections of an existing gem a Symbol, it will specify exact in. Recommended as it brings the protections of an SSL connection to gem downloads reverse dependencies can be with. Defining a new command subclass, use add_option to add command-line switches you behind! Gem.Post_Installs hook a dependency the Thor gem ; Let ’ s get started gem is! Using version following the name of the arguments a command line arguments, flags, and!, -​-add cert - add a command-line option and handler to the index files for a push server the... Be generated the path to the parser help view it can take a configuration block in an installed gem the...
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