Add the newly created archive to the publish-build task

This archive is created on an Ubuntu 64 bits machine, publish it if present
in the assets. The version contains the channel name, so don't append
channel name to it.

build/tasks/publish-build-task.coffee

@@ -85,13 +85,13 @@ getAssets = ->
         arch = 'amd64'
 
       # Check for a Debian build
-      sourcePath = "#{buildDir}/#{appFileName}-#{version}-#{arch}.deb"
+      sourcePath = path.join(buildDir, "#{appFileName}-#{version}-#{arch}.deb")
       assetName = "atom-#{arch}.deb"
 
       # Check for a Fedora build
       unless fs.isFileSync(sourcePath)
         rpmName = fs.readdirSync("#{buildDir}/rpm")[0]
-        sourcePath = "#{buildDir}/rpm/#{rpmName}"
+        sourcePath = path.join(buildDir, "rpm", rpmName)
         if process.arch is 'ia32'
           arch = 'i386'
         else
@@ -99,10 +99,17 @@ getAssets = ->
         assetName = "atom.#{arch}.rpm"
 
       cp sourcePath, path.join(buildDir, assetName)
+      assets = [{assetName, sourcePath}]
 
-      [
-        {assetName, sourcePath}
-      ]
+      # Check for an archive build on a debian build machine.
+      # We could provide a Fedora version if some libraries are not compatible
+      sourcePath = path.join(buildDir, "#{appFileName}-#{version}-#{arch}.tar.gz")
+      if fs.isFileSync(sourcePath)
+        assetName = "atom-#{arch}.tar.gz"
+        cp sourcePath, path.join(buildDir, assetName)
+        assets.push({assetName, sourcePath})
+
+      assets
 
 logError = (message, error, details) ->
   grunt.log.error(message)