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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| #!/usr/bin/env ruby | ||
| # frozen_string_literal: true | ||
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| require "rubygems" | ||
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| m = Module.new do | ||
| extend self | ||
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| def invoked_as_script? | ||
| File.expand_path($PROGRAM_NAME) == File.expand_path(__FILE__) | ||
| end | ||
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| def cli_arg_version | ||
| return unless invoked_as_script? # don't want to hijack other binstubs | ||
| return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update` | ||
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| bundler_version = nil | ||
| update_index = nil | ||
| ARGV.each_with_index do |a, i| | ||
| bundler_version = a if update_index && update_index.succ == i && a =~ Gem::Version::ANCHORED_VERSION_PATTERN | ||
| next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/ | ||
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| bundler_version = Regexp.last_match(1) || ">= 0.a" | ||
| update_index = i | ||
| end | ||
| bundler_version | ||
| end | ||
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| def gemfile | ||
| File.expand_path("../Gemfile", __dir__) | ||
| end | ||
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| def lockfile | ||
| "#{gemfile}.lock" | ||
| end | ||
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| def lockfile_version | ||
| return unless File.file?(lockfile) | ||
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| lockfile_contents = File.read(lockfile) | ||
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| regexp = /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/ | ||
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| regexp.match(lockfile_contents)[1] | ||
| end | ||
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| def bundler_version | ||
| @bundler_version ||= cli_arg_version || lockfile_version | ||
| end | ||
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| def load_bundler! | ||
| activate_bundler(bundler_version) | ||
| end | ||
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| def activate_bundler(bundler_version) | ||
| gem "bundler", bundler_version | ||
| end | ||
| end | ||
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| m.load_bundler! | ||
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| load Gem.bin_path("bundler", "bundle") if m.invoked_as_script? |
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