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Merge pull request #20169 from boblail/lail/invalidate-download-cache-logging

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download_strategy: Add logging when a cached download is being ignored
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Mike McQuaid 2025-06-25 07:44:04 +00:00 committed by GitHub
commit ca510da620
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1 changed files with 11 additions and 4 deletions
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15
Library/Homebrew/download_strategy.rb
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@ -482,10 +482,17 @@ class CurlDownloadStrategy < AbstractFileDownloadStrategy
# The cached location is no longer fresh if either:
# - Last-Modified value is newer than the file's timestamp
# - Content-Length value is different than the file's size
if cached_location_valid
newer_last_modified = last_modified && last_modified > cached_location.mtime
different_file_size = file_size&.nonzero? && file_size != cached_location.size
cached_location_valid = !(newer_last_modified || different_file_size)
if cached_location_valid && last_modified && last_modified > cached_location.mtime
ohai "Ignoring #{cached_location}",
"Cached modified time #{cached_location.mtime.iso8601} is before" \
"Last-Modified header: #{last_modified.iso8601}"
cached_location_valid = false
end
if cached_location_valid && file_size&.nonzero? && file_size != cached_location.size
ohai "Ignoring #{cached_location}",
"Cached size #{cached_location.size} differs from " \
"Content-Length header: #{file_size}"
cached_location_valid = false
end
if cached_location_valid