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require File.join(File.dirname(__FILE__), '..', 'vcsrepo')
Puppet::Type.type(:vcsrepo).provide(:hg, :parent => Puppet::Provider::Vcsrepo) do
desc "Supports Mercurial repositories"
optional_commands :hg => 'hg'
has_features :reference_tracking
def create
if !@resource.value(:source)
create_repository(@resource.value(:path))
else
clone_repository(@resource.value(:revision))
end
update_owner
end
def working_copy_exists?
File.directory?(File.join(@resource.value(:path), '.hg'))
end
def exists?
working_copy_exists?
end
def destroy
FileUtils.rm_rf(@resource.value(:path))
end
def latest?
at_path do
return self.revision == self.latest
end
end
def latest
at_path do
begin
hg('incoming', '--branch', '.', '--newest-first', '--limit', '1')[/^changeset:\s+(?:-?\d+):(\S+)/m, 1]
rescue Puppet::ExecutionFailure
# If there are no new changesets, return the current nodeid
self.revision
end
end
end
def revision
at_path do
current = hg('parents')[/^changeset:\s+(?:-?\d+):(\S+)/m, 1]
desired = @resource.value(:revision)
if desired
# Return the tag name if it maps to the current nodeid
mapped = hg('tags')[/^#{Regexp.quote(desired)}\s+\d+:(\S+)/m, 1]
if current == mapped
desired
else
current
end
else
current
end
end
end
def revision=(desired)
at_path do
begin
hg('pull')
rescue
end
begin
hg('merge')
rescue Puppet::ExecutionFailure
# If there's nothing to merge, just skip
end
hg('update', '--clean', '-r', desired)
end
update_owner
end
private
def create_repository(path)
hg('init', path)
end
def clone_repository(revision)
args = ['clone']
if revision
args.push('-u', revision)
end
args.push(@resource.value(:source),
@resource.value(:path))
hg(*args)
end
def update_owner
if @resource.value(:owner) or @resource.value(:group)
set_ownership
end
end
end
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