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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 = with_system_path { `mktemp -d #{tmp}/#{name}-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
# The #copy_metadata method in all current versions of Ruby has a
# bad bug which causes copying symlinks across filesystems to fail;
# see #14710.
# This was resolved in Ruby HEAD after the release of 1.9.3p194, but
# as of September 2012 isn't in any released version of Ruby.
# The monkey-patched method here is copied directly from upstream fix.
if RUBY_VERSION < "1.9.3" or RUBY_PATCHLEVEL < 195
class Entry_
alias_method :old_copy_metadata, :copy_metadata
def copy_metadata(path)
st = lstat()
if !st.symlink?
File.utime st.atime, st.mtime, path
end
begin
if st.symlink?
begin
File.lchown st.uid, st.gid, path
rescue NotImplementedError
end
else
File.chown st.uid, st.gid, path
end
rescue Errno::EPERM
# clear setuid/setgid
if st.symlink?
begin
File.lchmod st.mode & 01777, path
rescue NotImplementedError
end
else
File.chmod st.mode & 01777, path
end
else
if st.symlink?
begin
File.lchmod st.mode, path
rescue NotImplementedError
end
else
File.chmod st.mode, path
end
end
end
end
end
def rake *args
system RUBY_BIN/'rake', *args
end
alias_method :old_ruby, :ruby if method_defined?(:ruby)
def ruby *args
system RUBY_PATH, *args
end
end
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