i had the same problem yesterday. apt-get could not locate a shell-script on the /usr/sbin folder and giving an error. i had to create this file manually with permissions and try to take updates again. worked fine and plymouth works fine with every theme.
-- package ubuntustudio-plymouth-theme 0.38 failed to install/upgrade: ErrorMessage: под процеса инсталиран е скрипта post-installation върна грешка за състояние за излизане от 127 https://bugs.launchpad.net/bugs/549285 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
