feat: support installing gems from Git #312
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| # frozen_string_literal: true | |||
| require 'fileutils' | |||
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Would it be reasonable to add a high-level comment on what this file does?
I think it's basically rsync'ing gemspec/extconf.rb files?
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just added a comment but yep exactly! we need this rsync-style functionality when there are Git gems because I noticed that there's some logic in Bunder / some gems that tries to normalize these files, which runs into "file is read-only" errors since it eventually tries to rewrite the (read-only bc of sandboxing) files from vendor/cache, so I need to make a copy of vendor/cache so that Bundler can rewrite stuff as it wants.
So to get around this I needed to make another copy which preserves symlinks except for those files that can potentially get rewritten by bundler (so far I've only noticed this happen for gemspecs and extconf.rb)
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| # Sample Gemfile.lock content with multiple Git gems from same repo |
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Not sure these comments add much, I might just drop them?
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(similar observation for a lot of the comments below, my guess is they're AI remnants)
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| raise 'must provide both srcdir and destdir' unless ARGV.length >= 2 | ||
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| $srcdir, $destdir = *ARGV |
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Is there a particular reason to use globals here vs something a bit more idiomatic, i.e. logic nested under if $PROGRAM_NAME == __FILE__
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just refactored it to make it a bit more idiomatic and remove the globals!
| _git_reset(rctx, git_repo) | ||
| _git_clean(rctx, git_repo) | ||
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| git_metadata_folder = git_repo.directory.get_child(".git") |
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Why do we delete this? Worth a comment
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I'll add a comment! Was mostly since this shouldn't be used by Bundler down the line and therefore didn't want it end up as an unnecessary input to the bundle install action later
| if remote_name.endswith(".git"): | ||
| remote_name = remote_name[:-4] | ||
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| extracted_path = "%s/%s-%s" % (cache_path, remote_name, git_package.revision[:12]) |
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I assume the 12 here is arbitrary?
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ah this is to match up with the exact naming format that Bundler creates the directory with in vendor/cache for gems installed from Git
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oh, fun! probably worth a comment then, given this is load-bearing
What issues were you seeing? I wonder if those are related to |
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Ah, it wasn't related to |
3 participants
Fixes: #62
Adds support for installing gems from Git by including the Git sources in vendor/cache. Currently this uses
gitdirectly, but I'm planning to follow this PR up with another PR to use @sushain97's approach of downloading source archives from GitHub with the Bazel downloader.Right now doesn't support Windows as I wasn't able to get this working with my limited Windows knowledge :(
AI Disclaimer
Core logic was written by me, only used AI for comments, setting up the example scaffolding as well as some of the more tedious parsing tests.