Module: ChangedRpmFilesHelper
- Defined in:
- lib/changed_rpm_files_helper.rb
Overview
Copyright © 2013-2015 SUSE LLC
This program is free software; you can redistribute it and/or modify it under the terms of version 3 of the GNU General Public License as published by the Free Software Foundation.
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 General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, contact SUSE LLC.
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Instance Method Summary collapse
- #expected_tag?(character, position) ⇒ Boolean
-
#get_file_properties(system, cur_files) ⇒ Object
get path data for list of files cur_files is guaranteed to not exceed max command line length.
- #get_path_data(system, paths) ⇒ Object
- #parse_rpm_changes_line(line) ⇒ Object
- #parse_stat_line(line) ⇒ Object
Instance Method Details
#expected_tag?(character, position) ⇒ Boolean
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# File 'lib/changed_rpm_files_helper.rb', line 19 def expected_tag?(character, position) if @rpm_changes[position] == character true else @unknown_tag ||= ![".", "?"].include?(@rpm_changes[position]) false end end |
#get_file_properties(system, cur_files) ⇒ Object
get path data for list of files cur_files is guaranteed to not exceed max command line length
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# File 'lib/changed_rpm_files_helper.rb', line 88 def get_file_properties(system, cur_files) ret = {} out = system.run_command( "stat", "--printf", "%a:%U:%G:%u:%g:%n\\n", *cur_files, :stdout => :capture ) out.each_line do |l| path, values = parse_stat_line(l) ret[path] = values end ret end |
#get_path_data(system, paths) ⇒ Object
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# File 'lib/changed_rpm_files_helper.rb', line 102 def get_path_data(system, paths) ret = {} path_index = 0 # arbitrary number for maximum command line length that should always work max_len = 50000 cur_files = [] cur_len = 0 while path_index < paths.size if cur_files.empty? || paths[path_index].size + cur_len + 1 < max_len cur_files << paths[path_index] cur_len += paths[path_index].size + 1 path_index += 1 else ret.merge!(get_file_properties(system, cur_files)) cur_files.clear cur_len = 0 end end ret.merge!(get_file_properties(system, cur_files)) unless cur_files.empty? ret end |
#parse_rpm_changes_line(line) ⇒ Object
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# File 'lib/changed_rpm_files_helper.rb', line 28 def parse_rpm_changes_line(line) # rpm provides lines per config file where first 9 characters indicate which # properties of the file are modified @rpm_changes, *fields = line.split(" ") # nine rpm changes are known @unknown_tag = @rpm_changes.size > 9 # For config or documentation files there's an additional field which # contains "c" or "d" type = fields[0].start_with?("/") ? "" : fields.shift path = fields.join(" ") changes = [] if @rpm_changes == "missing" changes << "deleted" elsif @rpm_changes == "........." && path.end_with?(" (replaced)") changes << "replaced" path.slice!(/ \(replaced\)$/) else changes << "size" if expected_tag?("S", 0) changes << "mode" if expected_tag?("M", 1) changes << "md5" if expected_tag?("5", 2) changes << "device_number" if expected_tag?("D", 3) changes << "link_path" if expected_tag?("L", 4) changes << "user" if expected_tag?("U", 5) changes << "group" if expected_tag?("G", 6) changes << "time" if expected_tag?("T", 7) changes << "capabilities" if @rpm_changes.size > 8 && expected_tag?("P", 8) end if @unknown_tag changes << "other_rpm_changes" end if @rpm_changes.include?("?") = "Could not perform all tests on rpm changes for file '#{path}'." Machinery.logger.warn() Machinery::Ui.warn("Warning: #{}") end [path, changes, type] end |
#parse_stat_line(line) ⇒ Object
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# File 'lib/changed_rpm_files_helper.rb', line 71 def parse_stat_line(line) mode, user, group, uid, gid, *path = line.split(":") user = uid if user == "UNKNOWN" group = gid if group == "UNKNOWN" [path.join(":").chomp, { :mode => mode, :user => user, :group => group } ] end |