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Descriptions.cache_fresh?: return early

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Xu Cheng 2015-09-09 13:46:08 +08:00
parent 80514ee5d7
commit 71be19235f
1 changed files with 17 additions and 11 deletions
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28
Library/Homebrew/descriptions.rb
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@ -42,20 +42,26 @@ class Descriptions
# Return true if the cache exists, and neither Homebrew nor any of the Taps # Return true if the cache exists, and neither Homebrew nor any of the Taps
# repos were updated more recently than it was. # repos were updated more recently than it was.
def self.cache_fresh? def self.cache_fresh?
if CACHE_FILE.exist? return false unless CACHE_FILE.exist?
cache_date = File.mtime(CACHE_FILE) cache_mtime = File.mtime(CACHE_FILE)
ref_master = ".git/refs/heads/master"
ref_master = ".git/refs/heads/master" master = HOMEBREW_REPOSITORY/ref_master
master = HOMEBREW_REPOSITORY/ref_master
last_update = (master.exist? ? File.mtime(master) : Time.at(0)) # If ref_master doesn't exist, it means brew update is never run.
# Since cache is found, we can assume it's fresh.
Dir.glob(HOMEBREW_LIBRARY/"Taps/**"/ref_master).each do |repo| if master.exist?
repo_mtime = File.mtime(repo) core_mtime = File.mtime(master)
last_update = repo_mtime if repo_mtime > last_update return false if core_mtime > cache_mtime
end
last_update <= cache_date
end end
Tap.each do |tap|
next unless tap.git?
repo_mtime = File.mtime(tap.path/ref_master)
return false if repo_mtime > cache_mtime
end
true
end end
# Create the cache if it doesn't already exist. # Create the cache if it doesn't already exist.