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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"
commands :hg => 'hg'
defaultfor :hg => :exists
has_features :reference_tracking
def create
if !@resource.value(:source)
create_repository(@resource.value(:path))
else
clone_repository(@resource.value(:revision))
end
end
def exists?
File.directory?(File.join(@resource.value(:path), '.hg'))
end
def destroy
FileUtils.rm_rf(@resource.value(:path))
end
def revision
at_path do
current = hg('parents')[/^changeset:\s+(?:-?\d+):(\S+)/m, 1]
desired = @resource.value(:revision)
if current == desired
current
else
mapped = hg('tags')[/^#{Regexp.quote(desired)}\s+\d+:(\S+)/m, 1]
if mapped
# A tag, return that tag if it maps to the current nodeid
if current == mapped
desired
else
current
end
else
# Use the current nodeid
current
end
end
end
end
def revision=(desired)
at_path do
hg('pull')
begin
hg('merge')
rescue Puppet::ExecutionFailure
# If there's nothing to merge, just skip
end
hg('update', '--clean', '-r', desired)
end
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
end
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