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b9973f526c
Regression introduced in 0.8.5, commit c1564268. The command 'virsh freecell 0' quit working when it changed from an optional string to an optional integer. This patch introduces a slight change that specifying an option twice is now detected as an error. It also changes things so that a command that has more than 1 required option will not complain about missing options if one but not all of the options were given in long format, as in 'virsh vol-create --pool p file', as well as making positional parsing work for all optional options (each positional argument is associated with the earliest option that has not yet been seen by name). Optional boolean options can appear before required argument options, because they don't affect positional argument parsing, and obviously a required boolean option makes no sense. Technically, this patch renders VSH_OT_STRING and VSH_OT_DATA redundant; but cleaning that up can be a separate patch. No command should ever need more than 32 options, right? :) * tools/virsh.c (vshCmddefGetData, vshCmddefGetOption) (vshCommandCheckOpts): Alter parameters to use bitmaps. (vshCmddefOptParse): New function. (vshCommandParse): Update for better handling of positional arguments. (vshCmddefHelp): Allow unit tests to validate options.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>