Hello Diego, Thanks for the report! Diego Nicola Barbato writes: > Hi Guix, > > An unfortunate chain of propagated-inputs causes 'util-linux' (mount, > umount, etc.) to be installed alongside 'mps-youtube': 'mps-youtube' > propagates 'python-pygobject', which propagates 'glib', which propagates > 'util-linux'. It seems to have been introduced with commit 6c237a2, > when 'util-linux' was moved to the propagated-inputs of 'glib'. > > This is a problem on foreign distributions, where the stowaway 'mount' > and 'umount' commands installed by Guix shadow the setuid ones provided > by the distro. I have attached a WIP patch that fixes this "long term", by moving the util-linux libraries to a separate output. It rebuilds 7753 packages and is intended for the 'core-updates' branch.