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module Puppet
Puppet::Type.type(:file).newproperty(:target) do
desc "The target for creating a link. Currently, symlinks are the
only type supported."
newvalue(:notlink) do
# We do nothing if the value is absent
return :nochange
end
# Anything else, basically
newvalue(/./) do
@resource[:ensure] = :link if ! @resource.should(:ensure)
# Only call mklink if ensure() didn't call us in the first place.
currentensure = @resource.property(:ensure).retrieve
mklink() if @resource.property(:ensure).insync?(currentensure)
end
# Create our link.
def mklink
raise Puppet::Error, "Cannot symlink on Microsoft Windows" if Puppet.features.microsoft_windows?
target = self.should
# Clean up any existing objects. The argument is just for logging,
# it doesn't determine what's removed.
@resource.remove_existing(target)
raise Puppet::Error, "Could not remove existing file" if FileTest.exists?(@resource[:path])
Dir.chdir(File.dirname(@resource[:path])) do
Puppet::Util::SUIDManager.asuser(@resource.asuser()) do
mode = @resource.should(:mode)
if mode
Puppet::Util.withumask(000) do
File.symlink(target, @resource[:path])
end
else
File.symlink(target, @resource[:path])
end
end
@resource.send(:property_fix)
:link_created
end
end
def insync?(currentvalue)
if [:nochange, :notlink].include?(self.should) or @resource.recurse?
return true
elsif ! @resource.replace? and File.exists?(@resource[:path])
return true
else
return super(currentvalue)
end
end
def retrieve
if stat = @resource.stat
if stat.ftype == "link"
return File.readlink(@resource[:path])
else
return :notlink
end
else
return :absent
end
end
end
end
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