Use system git command for now and fix lxml URL.

software/erp5scalabilitytestbed/software.cfg

@@ -3,8 +3,7 @@ recipe_location = ${:parts-directory}/slapos.cookbook
 develop = ${:recipe_location}
 
 extends =
-  ../../component/lxml-python/buildout.cfg
-  ../../component/git/buildout.cfg
+  http://git.erp5.org/gitweb/slapos.git/blob_plain/refs/heads/erp5scalabilitytestbed:/component/lxml-python/buildout.cfg
 
 find-links =
   http://www.nexedi.org/static/packages/source/slapos.buildout/
@@ -28,8 +27,8 @@ command = grep parts ${buildout:develop-eggs-directory}/slapos.cookbook.egg-link
 recipe = plone.recipe.command
 stop-on-error = true
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
-command = ${git:location}/bin/git clone -b erp5scalabilitytestbed --quiet http://git.erp5.org/repos/slapos.git ${:location}
-update-command = cd ${:location} && ${git:location}/bin/git pull --quiet -f
+command = git clone -b erp5scalabilitytestbed --quiet http://git.erp5.org/repos/slapos.git ${:location}
+update-command = cd ${:location} && git pull --quiet
 
 [eggs]
 dummy = ${slapos.cookbook:location}