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# encoding: utf-8
#--
# Author: Sascha Silbe
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#++
require 'digest/sha1'
require 'xmlrpc/client'
module Patchwork
def notify_patchwork(repository, branch, events)
return unless GitoriousConfig["patchwork"].has_key? repository.project.slug
config = GitoriousConfig["patchwork"][repository.project.slug]
return unless config["repositories"].include? repository.name
git = repository.git.git
server = XMLRPC::Client.new2(config["url"])
patchwork = XMLRPC::Client::Proxy.new(server, "", [], :call, "")
if @@cache.has_key? repository.project.slug
project_id, find_state_ids, set_state_id = @@cache[repository.project.slug]
else
project_id = find_project patchwork, config["linkname"]
find_state_ids = config["find_states"].map { |name| find_state patchwork, name }
set_state_id = find_state patchwork, config["set_state"]
@@cache[repository.project.slug] = project_id, find_state_ids, set_state_id
end
events.each do |event|
commit_id = event.commit_details[:id]
patch_hash = hash_patch(git.show({}, commit_id))
begin
patch_id = find_patch patchwork, project_id, patch_hash, find_state_ids
if patch_id.nil?
logger.info "No (single) matching patch for commit #{commit_id} found on Patchwork"
next
end
update_patch patchwork, patch_id, commit_id, set_state_id
logger.info "Updated patchwork patch #{patch_id}"
rescue Exception => e
logger.warn("Failed to update Patchwork: #{e}")
end
end
end
private
@@cache = {}
def find_project(patchwork, project_name)
projects = patchwork.project_list project_name, 0
entry = projects.find { |entry| entry['linkname'] == project_name }
entry['id']
end
def find_patch(patchwork, project_id, hash, find_state_ids)
patches = patchwork.patch_list "project_id"=>project_id, "hash"=>hash
matches = patches.select { |entry| find_state_ids.include?(entry['state_id']) }
logger.info("Found multiple matches: #{matches}") if matches.size > 1
return nil if matches.size != 1
matches[0]['id']
end
def find_state(patchwork, name)
states = patchwork.state_list name, 0
entry = states.find { |entry| entry['name'] == name }
entry['id']
end
def update_patch(patchwork, patch_id, commit_id, state_id)
if !patchwork.patch_set patch_id, "state"=>state_id, "commit_ref"=>commit_id
raise "Failed to update patch \##{patch_id} from commit #{commit_id}"
end
end
_HUNK_PATTERN = /^\@\@ -\d+(?:,(\d+))? \+\d+(?:,(\d+))? \@\@/
_FILENAME_PATTERN = /^(---|\+\+\+) (\S+)/
def hash_patch(patch)
# logic taken from Patchwork
patch = patch.gsub(/\r/, '').strip! + "\n"
hash = Digest::SHA1.new
found_first_hunk = false
hunk_header = ''
patch.split("\n").each do |line|
next if line.empty?
if filename_match = _FILENAME_PATTERN.match(line)
# normalise -p1 top-directories
filename = if filename_match[1] == '---'
'a/'
else
'b/'
end
filename += filename_match[2].split('/')[1..-1].join('/')
line = filename_match[1] + ' ' + filename
hunk_header += line + "\n"
elsif hunk_match = _HUNK_PATTERN.match(line)
if !found_first_hunk
hash = Digest::SHA1.new.update(hunk_header)
found_first_hunk = true
end
# remove line numbers, but leave line counts
line_nos = hunk_match[1..-1].each { |x| x ? x.to_i : 1 }
line = '@@ -%d +%d @@' % line_nos
elsif not found_first_hunk
hunk_header = ''
next
elsif not line =~ /^[ +-]/
# if we have a +, - or context line, leave as-is
# other lines are ignored
next
end
hash.update(line + "\n")
end
hash.hexdigest
end
end
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