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The Git repository is here.
- Revision:
- 7
- Log:
Initial import of RForum 0.2 sources from a downloaded Tarball.
RForum is a Ruby On Rails based forum and mail gateway service.
- Author:
- adh
- Date:
- Sat Jul 22 18:43:13 +0100 2006
- Size:
- 6581 Bytes
- Properties:
- Property svn:executable is set
| 1 | #!/usr/bin/env ruby |
| 2 | |
| 3 | require 'rubygems' |
| 4 | require 'active_record' |
| 5 | require 'config/environment' |
| 6 | |
| 7 | # Print error message, ask for response |
| 8 | def error( msg ) |
| 9 | STDERR.puts "Error: #{msg}" |
| 10 | STDERR.print "Contine? (y/n) " |
| 11 | STDERR.flush |
| 12 | answer = STDIN.gets |
| 13 | return answer[0,1].downcase == "y" |
| 14 | end |
| 15 | |
| 16 | def copy_file( source_file_name, destination_file_name ) |
| 17 | sfn = File.open( source_file_name ) |
| 18 | dfn = File.open( destination_file_name, "w+" ) |
| 19 | dfn << sfn.read |
| 20 | sfn.close |
| 21 | dfn.close |
| 22 | true |
| 23 | end |
| 24 | |
| 25 | # Prints usage |
| 26 | def usage() |
| 27 | "Usage: ruby script/console [install|remove] modulename\n\n" |
| 28 | end |
| 29 | |
| 30 | # Crawl modules/views, document which templates are already modded |
| 31 | def current_modded_templates() |
| 32 | dirs = Dir["modules/views/[_a-z]*"] |
| 33 | files = Hash.new{ |hh,kk| hh[kk] = Array.new } |
| 34 | dirs.each{ |ii| Dir.entries("#{ii}/").each{ |kk| files["views#{ii.split("views").last}"] << kk unless kk=="." || kk==".."} } |
| 35 | files |
| 36 | end |
| 37 | |
| 38 | # Returns a hash of directories => [template files ] of module named "name" |
| 39 | def module_templates( name ) |
| 40 | dirs = Dir["modules/#{name}/views/[_a-z]*"] |
| 41 | files = Hash.new{ |hh,kk| hh[kk] = Array.new } |
| 42 | dirs.each{ |ii| Dir.entries("#{ii}/").each{ |kk| files["views#{ii.split("views").last}"] << kk unless kk=="." || kk==".."} } |
| 43 | files |
| 44 | end |
| 45 | |
| 46 | # Install (aka copy) all template for module "module_name" into modules/views/ |
| 47 | def install_templates( module_name ) |
| 48 | hsh = module_templates( module_name ) |
| 49 | hsh.each_key do |key| |
| 50 | hsh[key].each do |file| |
| 51 | # First, we need to make sure the destination directory exists |
| 52 | unless FileTest.exists?( "modules/#{key}") |
| 53 | Dir.mkdir( "modules/#{key}" ) |
| 54 | end |
| 55 | # If this template already exists, make a backup |
| 56 | if FileTest.exists?( "modules/#{key}/#{file}" ) |
| 57 | copy_file( "modules/#{key}/#{file}", "modules/#{key}/#{file}.old" ) |
| 58 | end |
| 59 | copy_file( "modules/#{module_name}/#{key}/#{file}", "modules/#{key}/#{file}") |
| 60 | STDOUT.puts "...\tCopied modules/#{module_name}/#{key}/#{file} to modules/#{key}/#{file}" |
| 61 | end |
| 62 | end |
| 63 | end |
| 64 | |
| 65 | # Reverts all templates for module_name in modules/views/, replacing them with their filename.old counterpart |
| 66 | def revert_templates( module_name ) |
| 67 | # Get a list of all files ending in ".old" |
| 68 | hsh = module_templates( module_name ) |
| 69 | hsh.each_key do |key| |
| 70 | hsh[key].each do |file| |
| 71 | if FileTest.exists?( "modules/#{key}/#{file}.old" ) |
| 72 | copy_file( "modules/#{key}/#{file}.old", "modules/#{key}/#{file}" ) |
| 73 | File.delete( "modules/#{key}/#{file}.old" ) |
| 74 | else # Else, we should just remove the template |
| 75 | File.delete( "modules/#{key}/#{file}" ) if FileTest.exists?("modules/#{key}/#{file}") |
| 76 | end |
| 77 | STDOUT.puts "...\tReverted template modules/#{key}/#{file}" |
| 78 | end |
| 79 | end |
| 80 | end |
| 81 | |
| 82 | def add_module_to_modules_config( module_name ) |
| 83 | arr = [] |
| 84 | File.open( "modules/modules.rb" ){ |f| f.each_line{ |line| arr.push line.strip } } |
| 85 | arr.uniq! |
| 86 | File.open( "modules/modules.rb", "w+" ) do |f| |
| 87 | f << arr.join("\n") |
| 88 | f << "\nrequire '#{module_name}/#{module_name}'" |
| 89 | end |
| 90 | end |
| 91 | |
| 92 | def remove_module_from_modules_config( module_name ) |
| 93 | arr = [] |
| 94 | File.open( "modules/modules.rb" ){ |f| f.each_line{ |line| arr.push line.strip if line.strip.size > 0 } } |
| 95 | arr.uniq! |
| 96 | arr.delete_if{ |ii| ii.include?( "require '#{module_name}/#{module_name}'" ) } |
| 97 | File.open( "modules/modules.rb", "w+" ){ |f| f << arr.join("\n") } |
| 98 | end |
| 99 | |
| 100 | #------------------------------------------------------------------------------- |
| 101 | # Main routine |
| 102 | #------------------------------------------------------------------------------- |
| 103 | todo = ARGV[0] |
| 104 | mname = ARGV[1] |
| 105 | |
| 106 | # Check to make sure correct arguments were provided |
| 107 | if todo.nil? || mname.nil? |
| 108 | STDERR.puts usage() |
| 109 | exit |
| 110 | end |
| 111 | |
| 112 | # Crawl modules/views, document which templates are already modded |
| 113 | modded_templates = current_modded_templates |
| 114 | |
| 115 | case todo |
| 116 | when "install" |
| 117 | # Compare module to be installed against modded_templates to detect conflicts |
| 118 | templates_to_install = module_templates( mname ) |
| 119 | templates_to_install.each_key{ |key| |
| 120 | tmp = (modded_templates[key] & templates_to_install[key]) |
| 121 | if tmp.size > 0 |
| 122 | exit unless error( "There is a conflict with a previously installed module. Conflicted templates for #{key}:\n\t#{tmp.join("\n\t")}" ) |
| 123 | # If they said continue, lets make backup of their old templates, save as .old |
| 124 | end |
| 125 | } |
| 126 | |
| 127 | # Install all views for this module. |
| 128 | begin |
| 129 | install_templates( mname ) |
| 130 | # Perform necessary DB migrations |
| 131 | if FileTest.exists?( "modules/#{mname}/migrate.rb" ) |
| 132 | begin # Try out migrations |
| 133 | require "modules/#{mname}/migrate.rb" |
| 134 | klass = instance_eval( "#{mname.capitalize}Migration" ) |
| 135 | klass.up |
| 136 | rescue => e |
| 137 | STDERR.puts "ERROR! Migration Failed!" |
| 138 | raise e |
| 139 | end |
| 140 | end |
| 141 | # Add line to modules.rb |
| 142 | add_module_to_modules_config( mname ) |
| 143 | rescue => e |
| 144 | STDERR.puts "ERROR! Installation failed! Undoing install..." |
| 145 | # Back out of installation |
| 146 | # Revert templates to old versions |
| 147 | revert_templates( mname ) |
| 148 | # Remove modules.rb config |
| 149 | remove_module_from_modules_config( mname ) |
| 150 | raise e |
| 151 | end |
| 152 | when "remove" |
| 153 | # Check to make sure no other mods need the templates from this mod |
| 154 | # Remove template files |
| 155 | revert_templates( mname ) |
| 156 | # Perform necessary DB migrations |
| 157 | if FileTest.exists?( "modules/#{mname}/migrate.rb" ) |
| 158 | begin |
| 159 | require "modules/#{mname}/migrate.rb" |
| 160 | STDOUT.puts "...\tPerforming Migration.down" |
| 161 | klass = instance_eval( "#{mname.capitalize}Migration" ) |
| 162 | klass.down |
| 163 | rescue => e |
| 164 | STDERR.puts "ERROR: There was a problem migrating down from this mod install. Please refer to the modules manual removal instructions." |
| 165 | raise e |
| 166 | end |
| 167 | end |
| 168 | # remove line from modules.rb |
| 169 | remove_module_from_modules_config( mname ) |
| 170 | # remove entire mod directory structure |
| 171 | STDERR.puts "Please delete modules/#{mname}" |
| 172 | else |
| 173 | STDERR.puts usage() |
| 174 | end # end case statement |
