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BUNDLE-PRISTINE(1) BUNDLE-PRISTINE(1)
NAME
bundle-pristine - Restores installed gems to their pristine condition
SYNOPSIS
bundle pristine
DESCRIPTION
pristine restores the installed gems in the bundle to their pristine
condition using the local gem cache from RubyGems. For git gems, a
forced checkout will be performed.
For further explanation, bundle pristine ignores unpacked files on
disk. In other words, this command utilizes the local .gem cache or the
gem's git repository as if one were installing from scratch.
Note: the Bundler gem cannot be restored to its original state with
pristine. One also cannot use bundle pristine on gems with a 'path'
option in the Gemfile, because bundler has no original copy it can
restore from.
When is it practical to use bundle pristine?
It comes in handy when a developer is debugging a gem. bundle pristine
is a great way to get rid of experimental changes to a gem that one may
not want.
Why use bundle pristine over gem pristine --all?
Both commands are very similar. For context: bundle pristine, without
arguments, cleans all gems from the lockfile. Meanwhile, gem pristine
--all cleans all installed gems for that Ruby version.
If a developer forgets which gems in their project they might have been
debugging, the Rubygems gem pristine [GEMNAME] command may be inconve-
nient. One can avoid waiting for gem pristine --all, and instead run
bundle pristine.
January 2020 BUNDLE-PRISTINE(1)
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