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require 'fileutils'
# We enhance FileUtils to make our Formula code more readable.
module FileUtils extend self
# Create a temporary directory then yield. When the block returns,
# recursively delete the temporary directory.
def mktemp
# I used /tmp rather than `mktemp -td` because that generates a directory
# name with exotic characters like + in it, and these break badly written
# scripts that don't escape strings before trying to regexp them :(
# If the user has FileVault enabled, then we can't mv symlinks from the
# /tmp volume to the other volume. So we let the user override the tmp
# prefix if they need to.
tmp = ENV['HOMEBREW_TEMP'].chuzzle || '/tmp'
tempd = `/usr/bin/mktemp -d #{tmp}/brew-#{name}-#{version}-XXXX`.chuzzle
raise "Failed to create sandbox" if tempd.nil?
prevd = pwd
cd tempd
yield
ensure
cd prevd if prevd
ignore_interrupts{ rm_r tempd } if tempd
end
# A version of mkdir that also changes to that folder in a block.
alias mkdir_old mkdir
def mkdir name, &block
FileUtils.mkdir(name)
if block_given?
chdir name do
yield
end
end
end
end
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