mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
bbf5a9f479
- use e.g. `$HOMEBREW_*` for cases where only the environment variable
is the entire backtick-quoted string
- use e.g. `${HOMEBREW_*}` for cases where the environment variable is
part of a backtick-quoted string to make clear what parts are variable
and what parts are not
- use `export HOMEBREW_*=...` for cases where we're talking about
setting the environment variable (because it likely needs to be
exported to work how they want)
Inspired by https://github.com/Homebrew/homebrew-bundle/pull/1579 making
similar changes for Homebrew/homebrew-bundle.
88 lines
2.9 KiB
Ruby
88 lines
2.9 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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require "abstract_command"
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require "formula"
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module Homebrew
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module Cmd
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class PyenvSync < AbstractCommand
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cmd_args do
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description <<~EOS
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Create symlinks for Homebrew's installed Python versions in `${HOME}/.pyenv/versions`.
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Note that older patch version symlinks will be created and linked to the minor
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version so e.g. Python 3.11.0 will also be symlinked to 3.11.3.
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EOS
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named_args :none
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end
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sig { override.void }
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def run
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pyenv_root = Pathname(ENV.fetch("HOMEBREW_PYENV_ROOT", Pathname(Dir.home)/".pyenv"))
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# Don't run multiple times at once.
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pyenv_sync_running = pyenv_root/".pyenv_sync_running"
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return if pyenv_sync_running.exist?
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begin
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pyenv_versions = pyenv_root/"versions"
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pyenv_versions.mkpath
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FileUtils.touch pyenv_sync_running
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HOMEBREW_CELLAR.glob("python{,@*}")
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.flat_map(&:children)
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.each { |path| link_pyenv_versions(path, pyenv_versions) }
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pyenv_versions.children
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.select(&:symlink?)
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.reject(&:exist?)
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.each { |path| FileUtils.rm_f path }
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ensure
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pyenv_sync_running.unlink if pyenv_sync_running.exist?
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end
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end
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private
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sig { params(path: Pathname, pyenv_versions: Pathname).void }
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def link_pyenv_versions(path, pyenv_versions)
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pyenv_versions.mkpath
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version = Keg.new(path).version
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major_version = version.major.to_i
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minor_version = version.minor.to_i
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patch_version = version.patch.to_i
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(0..patch_version).each do |patch|
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# Create folder symlinks for all patch versions to the latest patch version
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# (eg. 3.11.0 -> 3.11.3).
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link_path = pyenv_versions/"#{major_version}.#{minor_version}.#{patch}"
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# Don't clobber existing user installations.
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next if link_path.exist? && !link_path.symlink?
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FileUtils.rm_f link_path
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FileUtils.ln_sf path, link_path
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# Create an unversioned symlinks
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# This is what pyenv expects to find in ~/.pyenv/versions/___/bin'.
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# Without this, `python3`, `pip3` do not exist and pyenv falls back to system Python.
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# (eg. python3 -> python3.11, pip3 -> pip3.11)
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executables = %w[python3 pip3 wheel3 idle3 pydoc3]
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executables.each do |executable|
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major_link_path = link_path/"bin/#{executable}"
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# Don't clobber existing user installations.
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next if major_link_path.exist? && !major_link_path.symlink?
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FileUtils.rm_f major_link_path
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FileUtils.ln_s link_path/"bin/#{executable}.#{minor_version}", major_link_path
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end
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end
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end
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end
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end
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end
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