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| author | hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-02 23:07:56 +0000 |
|---|---|---|
| committer | hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-02 23:07:56 +0000 |
| commit | 59c8d50653480bef3f24517296e6ddf937fdf6bc (patch) | |
| tree | df10aaf4f3307837fe3d1d129d66f6c0c7586bc5 /lib/bundler/environment_preserver.rb | |
| parent | 7deb37777a230837e865e0a11fb8d7c1dc6d03ce (diff) | |
Added bundler as default gems. Revisit [Feature #12733]
* bin/*, lib/bundler/*, lib/bundler.rb, spec/bundler, man/*:
Merge from latest stable branch of bundler/bundler repository and
added workaround patches. I will backport them into upstream.
* common.mk, defs/gmake.mk: Added `test-bundler` task for test suite
of bundler.
* tool/sync_default_gems.rb: Added sync task for bundler.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/bundler/environment_preserver.rb')
| -rw-r--r-- | lib/bundler/environment_preserver.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/bundler/environment_preserver.rb b/lib/bundler/environment_preserver.rb new file mode 100644 index 0000000000..af7c1ef0a4 --- /dev/null +++ b/lib/bundler/environment_preserver.rb @@ -0,0 +1,59 @@ +# frozen_string_literal: true + +module Bundler + class EnvironmentPreserver + INTENTIONALLY_NIL = "BUNDLER_ENVIRONMENT_PRESERVER_INTENTIONALLY_NIL".freeze + BUNDLER_KEYS = %w[ + BUNDLE_BIN_PATH + BUNDLE_GEMFILE + BUNDLER_ORIG_MANPATH + BUNDLER_VERSION + GEM_HOME + GEM_PATH + MANPATH + PATH + RB_USER_INSTALL + RUBYLIB + RUBYOPT + ].map(&:freeze).freeze + BUNDLER_PREFIX = "BUNDLER_ORIG_".freeze + + # @param env [ENV] + # @param keys [Array<String>] + def initialize(env, keys) + @original = env.to_hash + @keys = keys + @prefix = BUNDLER_PREFIX + end + + # @return [Hash] + def backup + env = @original.clone + @keys.each do |key| + value = env[key] + if !value.nil? && !value.empty? + env[@prefix + key] ||= value + elsif value.nil? + env[@prefix + key] ||= INTENTIONALLY_NIL + end + end + env + end + + # @return [Hash] + def restore + env = @original.clone + @keys.each do |key| + value_original = env[@prefix + key] + next if value_original.nil? || value_original.empty? + if value_original == INTENTIONALLY_NIL + env.delete(key) + else + env[key] = value_original + end + env.delete(@prefix + key) + end + env + end + end +end |