c9018c785ca7296bf78ebabce5e10ef3094eee66
Even though the subcommands don't take arguments, use a GOptionContext so that --help works as expected. https://bugzilla.gnome.org/show_bug.cgi?id=737194
OSTree is a tool for managing bootable, immutable, versioned filesystem trees. While it takes over some of the roles of tradtional "package managers" like dpkg and rpm, it is not a package system; nor is it a tool for managing full disk images. Instead, it sits between those levels, offering a blend of the advantages (and disadvantages) of both.
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