Created
April 23, 2017 11:51
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This oneliner rollbacks (undos) package installations by `bundler install`. Copy bundler's output contains `Installing PACKAGE VER.SI.ON` lines into bunder_output.log then execute this.
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| ruby -e '$<.scan(/Installing (\S+) (\S+)/).each do |pkg, ver| system "gem uninstall -v #{ver} #{pkg}"; end' bundler_output.log |
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