Merge branch 'release/0.6.5'0.6.5

1 files changed, 87 insertions, 0 deletions

diff --git a/lib/tasks/themes.rake b/lib/tasks/themes.rake
new file mode 100644
index 000000000..2b1dbb3a9
--- /dev/null
+++ b/lib/tasks/themes.rake
@@ -0,0 +1,87 @@
+
+namespace :themes do
+
+    def plugin_dir
+        File.join(Rails.root,"vendor","plugins")
+    end
+
+    def theme_dir(theme_name)
+        File.join(plugin_dir, theme_name)
+    end
+
+    def install_theme_using_git(name, uri, verbose=false, options={})
+        mkdir_p(install_path = theme_dir(name))
+        Dir.chdir install_path do
+            init_cmd = "git init"
+            init_cmd += " -q" if options[:quiet] and not verbose
+            puts init_cmd if verbose
+            system(init_cmd)
+            base_cmd = "git pull --depth 1 #{uri}"
+            # Is there a tag for this version of Alaveteli?
+            usage_tag = "use-with-alaveteli-#{ALAVETELI_VERSION}"
+            # Query the remote repository passing flags for tags
+            version_tag = `git ls-remote --tags #{uri} #{usage_tag}`
+            if /^[a-z0-9]+\s+refs\/tags\/#{Regexp.escape(usage_tag)}$/.match(version_tag)
+                # If we got a tag, pull that instead of HEAD
+                puts "Using tag #{usage_tag}" if verbose
+                base_cmd += " refs/tags/#{usage_tag}"
+            else
+                puts "No specific tag for this version: using HEAD" if verbose
+            end
+            base_cmd += " -q" if options[:quiet] and not verbose
+            puts base_cmd if verbose
+            if system(base_cmd)
+                puts "removing: .git .gitignore" if verbose
+                rm_rf %w(.git .gitignore)
+            else
+                rm_rf install_path
+                raise "#{base_cmd} failed! Stopping."
+            end
+        end
+    end
+
+    def uninstall(theme_name, verbose=false)
+        dir = theme_dir(theme_name)
+        if File.directory?(dir)
+            run_hook(theme_name, 'uninstall', verbose)
+            puts "Removing '#{dir}'" if verbose
+            rm_r dir
+        else
+            puts "Plugin doesn't exist: #{dir}"
+        end
+    end
+
+    def run_hook(theme_name, hook_name, verbose=false)
+        hook_file = File.join(theme_dir(theme_name), "#{hook_name}.rb")
+        if File.exist? hook_file
+            puts "Running #{hook_name} hook for #{theme_name}" if verbose
+            load hook_file
+        end
+    end
+
+    def installed?(theme_name)
+        File.directory?(theme_dir(theme_name))
+    end
+
+    def install_theme(theme_url, verbose, deprecated=false)
+        deprecation_string = deprecated ? " using deprecated THEME_URL" : ""
+        theme_name = File.basename(theme_url, '.git')
+        puts "Installing theme #{theme_name}#{deprecation_string} from #{theme_url}"
+        uninstall(theme_name, verbose) if installed?(theme_name)
+        install_theme_using_git(theme_name, theme_url, verbose)
+        run_hook(theme_name, 'install', verbose)
+        run_hook(theme_name, 'post_install', verbose)
+    end
+
+    desc "Install themes specified in the config file's THEME_URLS"
+    task :install => :environment do
+        verbose = true
+        theme_urls = MySociety::Config.get("THEME_URLS", [])
+        theme_urls.each{ |theme_url| install_theme(theme_url, verbose) }
+        theme_url = MySociety::Config.get("THEME_URL", "")
+        if ! theme_url.blank?
+            # Old version of the above, for backwards compatibility
+            install_theme(theme_url, verbose, deprecated=true)
+        end
+    end
+end
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