core: Use at-relative lookups for archive-z2 content
core: Use at-relative lookups for archive-z2 content

We can't quite do it for bare repositories yet because we need to have
a way to go from struct stat -> GFileInfo, and that's buried in gio's
private GLocalFile class.

resin-io/ostree,GNOME/ostree,GNOME/ostree,gatispaeglis/ostree,sujitfulse/ostree,resin-io/ostree,gatispaeglis/ostree,leandrosansilva/ostree,leandrosansilva/ostree,sujitfulse/ostree,GNOME/ostree,gatispaeglis/ostree,leandrosansilva/ostree,sujitfulse/ostree,resin-io/ostree,resin-io/ostree,gatispaeglis/ostree,GNOME/ostree,GNOME/ostree,sujitfulse/ostree,leandrosansilva/ostree,leandrosansilva/ostree,resin-io/ostree,sujitfulse/ostree,gatispaeglis/ostree,gatispaeglis/ostree