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edos-distcheck - Checks whether dependencies of packages can be satisfied…  more info»

edos-pscheck.1.gz

EDOS-RPMCHECK(1)                                    EDOS-RPMCHECK(1)



NAME
       Edos-pscheck  - Check satisfiability of pkgsrc package depen‐
       dencies


SYNOPSIS
       edos-pscheck [option] ... pkg-summary-file


DESCRIPTION
       edos-pscheck reads package descriptions from a  file  in  the
       pkg_summary format of NetBSD.  We say that a package is iden‐
       tified by the pair consisting of the package name and of  the
       package version.

       A package (called goal) is called installable with respect to
       a set of packages if there exists a subset  of  the  packages
       that
        - contains at most one version for each package name
        -  contains  the goal package (in any version, or a specific
       version)
        - all packages of the subset  have  their  dependencies  and
       conflicts satisfied in this subset.

       Edos-psmcheck  checks  whether  every  package  in the set is
       installable with respect to the input set of  packages.  Spe‐
       cific versions can be specified by following the package name
       with the sign  '='  and  the  version  of  the  package  (for
       instance,  'xemacs21=21.4.17-1'). If no package name is given
       as argument then all packages of the input  set  are  checked
       for satisfiability.

       The  constraint  solving  algorithm  is  complete, that is it
       finds a solution whenever there exists one, even for multiple
       disjunctive  dependencies  and  deep  package conflicts. This
       problem is computationally infeasible in theory (that is, NP-
       complete), but can in practice be solved very efficiently.


OPTIONS
       -explain
              Explain the results

       -rules Print generated rules

       -failures
              Only show failures

       -successes
              Only show successes

       -base file
              Specifiy  an  additional  file providing packages that
              are not checked but used for resolving dependencies

       -quiet Supress warnings and progress/timing messages

       -xml   Output results in XML format

       -help, --help
              Display this list of options


EXAMPLE
       Check which packages in a  particular  distribution  are  not
       installable and why:

         edos-pscheck -failures -explain pkg_summary

       where  pkg_summary  is  the file pertaining to that distribu‐
       tion.


AUTHOR
       Edos-pscheck has been written by  Jerome  Vouillon  and  Jaap
       Boender for the EDOS and Mancoosi projects. This man-page has
       been compiled by Ralf Treinen.


SEE ALSO
       <http://www.edos-project.org> is the home page  of  the  EDOS
       project.

       edos-debcheck(1)  and edos-rpmcheck(1) are the analogous tool
       for debian and rpm packages.



EDOS                         2009-05-25             EDOS-RPMCHECK(1)
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