mirrors/brew
1
0
Fork 0
mirror of https://github.com/Homebrew/brew.git synced 2025-07-14 16:09:03 +08:00
Code Issues Packages Projects Releases Wiki Activity

docs: improve Keg.find_some_installed_dependencies

Browse Source 
See https://github.com/Homebrew/brew/pull/1752#discussion_r94257147
This commit is contained in:
Alyssa Ross 2016-12-30 22:16:18 +00:00
parent 01e1f7d49e
commit b0a38c06bf
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
Library/Homebrew/keg.rb
View File

@ -87,11 +87,23 @@ class Keg
mime-info pixmaps sounds postgresql mime-info pixmaps sounds postgresql
].freeze ].freeze
# Will return some kegs, and some dependencies, if they're present. # Given an array of kegs, this method will try to find some other kegs
# that depend on them.
#
# If it does, it returns:
# - some kegs in the passed array that have installed dependents
# - some installed dependents of those kegs.
#
# If it doesn't, it returns nil.
#
# Note that nil will be returned if the only installed dependents
# in the passed kegs are other kegs in the array.
#
# For efficiency, we don't bother trying to get complete data. # For efficiency, we don't bother trying to get complete data.
def self.find_some_installed_dependents(kegs) def self.find_some_installed_dependents(kegs)
# First, check in the tabs of installed Formulae. # First, check in the tabs of installed Formulae.
kegs.each do |keg| kegs.each do |keg|
# Don't include dependencies of kegs that were in the given array.
dependents = keg.installed_dependents - kegs dependents = keg.installed_dependents - kegs
dependents.map! { |d| "#{d.name} #{d.version}" } dependents.map! { |d| "#{d.name} #{d.version}" }
return [keg], dependents if dependents.any? return [keg], dependents if dependents.any?
@ -107,8 +119,7 @@ class Keg
remaining_formulae = Formula.installed.select do |f| remaining_formulae = Formula.installed.select do |f|
installed_kegs = f.installed_kegs installed_kegs = f.installed_kegs
# All installed kegs are going to be removed anyway, # Don't include dependencies of kegs that were in the given array.
# so it doesn't matter what they depend on.
next false if (installed_kegs - kegs).empty? next false if (installed_kegs - kegs).empty?
installed_kegs.any? { |k| Tab.for_keg(k).runtime_dependencies.nil? } installed_kegs.any? { |k| Tab.for_keg(k).runtime_dependencies.nil? }