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require 'puppet/provider/package'
Puppet::Type.type(:package).provide :pacman, :parent => Puppet::Provider::Package do
desc "Support for the Package Manager Utility (pacman) used in Archlinux."
commands :pacman => "/usr/bin/pacman"
defaultfor :operatingsystem => :archlinux
confine :operatingsystem => :archlinux
has_feature :upgradeable
# Install a package using 'pacman'.
# Installs quietly, without confirmation or progressbar, updates package
# list from servers defined in pacman.conf.
def install
pacman "--noconfirm", "--noprogressbar", "-Sy", @resource[:name]
unless self.query
raise Puppet::ExecutionFailure.new("Could not find package %s" % self.name)
end
end
def self.listcmd
[command(:pacman), " -Q"]
end
# Fetch the list of packages currently installed on the system.
def self.instances
packages = []
begin
execpipe(listcmd()) do |process|
# pacman -Q output is 'packagename version-rel'
regex = %r{^(\S+)\s(\S+)}
fields = [:name, :ensure]
hash = {}
process.each_line { |line|
if match = regex.match(line)
fields.zip(match.captures) { |field,value|
hash[field] = value
}
name = hash[:name]
hash[:provider] = self.name
packages << new(hash)
hash = {}
else
warning("Failed to match line %s" % line)
end
}
end
rescue Puppet::ExecutionFailure
return nil
end
packages
end
# Because Archlinux is a rolling release based distro, installing a package
# should always result in the newest release.
def update
# Install in pacman can be used for update, too
self.install
end
def latest
pacman "-Sy"
output = pacman "-Sp", "--print-format", "%v", @resource[:name]
output.chomp
end
# Querys the pacman master list for information about the package.
def query
begin
output = pacman("-Qi", @resource[:name])
if output =~ /Version.*:\s(.+)/
return { :ensure => $1 }
end
rescue Puppet::ExecutionFailure
return {
:ensure => :purged,
:status => 'missing',
:name => @resource[:name],
:error => 'ok',
}
end
nil
end
# Removes a package from the system.
def uninstall
pacman "--noconfirm", "--noprogressbar", "-R", @resource[:name]
end
end
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