bitbake-diffsigs no longer works after the bitbake server changes, With current poky master (8e15e9b6e478f6): $ bitbake-diffsigs -t core-image-minimal do_build NOTE: Starting bitbake server... ERROR: Metadata does not support finding signature data files
Fix merged to master: http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=d4c3ace09790a18e240c4aea655e41ecee786e1b