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Use a case statement in Pathname#compression_type

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This commit is contained in:
Jack Nagel 2014-04-06 11:18:25 -05:00
parent e9e5ad8d31
commit 607605dd8f
1 changed files with 12 additions and 10 deletions
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22
Library/Homebrew/extend/pathname.rb
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@ -202,16 +202,18 @@ class Pathname
end
def compression_type
# Don't treat jars or wars as compressed
return nil if self.extname == '.jar'
return nil if self.extname == '.war'
# OS X installer package
return :pkg if self.extname == '.pkg'
# If the filename ends with .gz not preceded by .tar
# then we want to gunzip but not tar
return :gzip_only if self.extname == '.gz'
case extname
when ".jar", ".war"
# Don't treat jars or wars as compressed
return
when ".pkg"
# OS X installer package
return :pkg
when ".gz"
# If the filename ends with .gz not preceded by .tar
# then we want to gunzip but not tar
return :gzip_only
end
# Get enough of the file to detect common file types
# POSIX tar magic has a 257 byte offset