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Description of problem: while upgrading from FC23 to FC24 via DNF distor-sync, i got this error message from the glibc package: ... Aktualisieren : nss-softokn-freebl-3.27.0-1.0.fc24.i686 47/2250 Aktualisieren : bash-4.3.42-7.fc24.i686 48/2250 Aktualisieren : glibc-common-2.23.1-11.fc24.i686 49/2250 Installieren : glibc-all-langpacks-2.23.1-11.fc24.i686 50/2250 Aktualisieren : glibc-2.23.1-11.fc24.i686 51/2250 /bin/sh: error while loading shared libraries: libtinfo.so.6: cannot open shared object file: No such file or directory Warnung: %triggerin(cronie-1.5.0-3.fc23.i686) Scriptlet fehlgeschlagen, Beenden-Status 127 Non-fatal <unknown> scriptlet failure in rpm package glibc Non-fatal <unknown> scriptlet failure in rpm package glibc Aktualisieren : libstdc++-6.2.1-2.fc24.i686 52/2250 Aktualisieren : ncurses-libs-6.0-6.20160709.fc24.i686 53/2250 ...
bash-4.3.42-7.fc24.i686 depends on the new version of ncurses-libs-6.0-6.20160709.fc24.i686, but bash is installed first. This breaks scriptlet execution with bash. I'm pretty sure there is a dependency cycle here (as far as RPM and its scriptlet execution engine is concerned), and DNF just broke it in a particularly visible way. We can't get rid of such dependency cycles unless RPM implements delayed script execution. With delayed script execution, scriptlets will only run after the dependencies have at least been unpacked.