ceve man page

ceve — parse package metadata

Synopsis

ceve [-h] [-v] [-c pkgspec] [-r pkgspec] [--depth=n] [-T format] [-G graph type] [-o filename] input-spec [input-spec...]

Description

Ceve is a generalized metadata parser. It reads package specifications, extracts package metadata from them, performs some manipulations, and outputs the package metadata in one of several formats.

input-spec is a url specifying the input format and the file to get the input from. For a possible list of schemes, see the -t parameter.

Some examples of URLs:

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deb://Packages.gz (the Debian file packages.gz in the current directory)

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cudf:///home/examples/cudf/test.cudf (the CUDF file /home/examples/cudf/test.cudf)

Options

Misc Options

-h, --help

This option displays the help message.

-v, --verbose

Be verbose. This option can be repeated for more verbosity.

--version

Show program's version and exit.

--progress

Print progress bars.

--timers

Print timing information.

--quiet

Do no print any messages.

Input Options

Dose3 accepts files compressed with gzip(1) or bzip2(1), depending on compile-time options.

-t input-spec

Select the input type. Possible values are:

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cudf Cudf file format

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pef PEF file format. The PEF format (Package Exchange Format) is a generic 822 file format used to encode package dependencies. deb, opam, debsrc and  edsp are all based on the pef format

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csw OpenCSW Solaris packages binary format

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opam Opam Package universe in Opam/PEF format. This format is a 822 textual  format encoding the opam universe.

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deb for Debian binary package files, also known as Packages files.

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debsrc for Debian source package files, also knows as Sources files.

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edsp apt-get External Dependency Solver Protocol

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hdlist RPM hdlists. Binary file format.

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synthesis urpmi synthesis hdlists. XML Based format

--trim

Consider only installable packages.

--latest n

Consider only the latest -n most recent versions of each package, older versions of packages are ignored.

-c, --cone=vpkglist

The match of an atomic dependency (a package name p possibly together with a version constraint c) is the set of all packages in the repository with name p, and a version that satisfies the constraint c.  The dependency cone of a package p is the set of all matches of all atomic dependencies of p, together with their respective dependency cones. The package specification pkgspec is a list of packages (separated by a semicolon), where each package is specified as follows: (name,version).

This option extracts the union of the dependency cones of all packages selected by vpkglist.

Example: =over 12

-c 'golang-golang-x-tools (= 1:0.0~git20150716.0.87156cb+dfsg1-4),golang-golang-x-tools-dev'
-r, --rcone=vpkglist

Using the same syntax as in -c, this option use the reverse dependency relation to make the transitive closure.

--depth n

In combination with the -c or -r options, this specifies the maximum depth for the transitive closure.

--request installation-request

Specifies an installation request of the form "install: vpkglist" or "remove: vpkglist" or "upgrade: vpkglist" where vpkglist is a list of (real) packages possibly associated with a constraint. Ex.: bash (< 2.0), exim (= 3.1-debian1). This option can be repeated to specify install, remove and upgrade actions.

Examples:

--request "install: bash (< 2.0), exim (= 3.1-debian1)" --request "upgrade: apt-cudf"

Output Options

-o, --outfile=filename

Instead of stdout, send output to the file filename.

-d, --outdir=directory

Set the output directory (default current directory)

--dot

Save the explanation graph (one for each package) in dot format.

-G graph type

Specifies the graph type format to compute. This option must be used together with the option -T dot|gml|grml. Default is syn. Possible values are:

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syn for the syntactic graph where disjunctions nodes and conflicts are explicitly added to the graph.

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pkg for the package graph where all dependencies are threated uniformely and conflicts are not added to the graph.

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strdeps the strong dependency graph. A package p strong depends on q iff p cannot be installed if q is not installed.

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strcnf

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conj the conjunctive graph where only conjunctive dependencies are considered.

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dom

-T format

Specifies the output format to use. Default is cnf. Possible values are:

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cnf output in CNF format.

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dimacs output in DIMACS format for CNF formulae.

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cudf pretty-printed output in an RFC 822-like format

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deb binary packages in deb822 format.

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debsrc source packages in deb822 format.

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dot a graph in Dot/GraphViz format.

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gml a graph in GML format.

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grml a graph in GraphML format.

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table plain text output of three integer values: the universe size, the number of edges in the dependency graph, the number of conflicts in the universe.

Debian Specific Options

Multi-arch annotations are handled by ceve. Packages whose's architecture is neither the native architecture nor in the list of foreign architectures (see below) are ignored.

--deb-native-arch=name

Specify the native architecture. The default behavior is to deduce the native architecture from the first package stanza in the input that has an architecture different from all.

--deb-foreign-archs=name [,name] ...

Specify a comma-separated list of foreign architectures. The default is an empty list of foreign architectures.

--deb-ignore-essential

By default all essential package are considered as a dependency of all packages in the universe. This option allows the user to ignore essential packages.

--deb-host-arch=name

Native/cross compile host architecture, defaults to native architecture.

--deb-builds-from

Add builds-from relationship of binary packages on source packages as dependency. This allows one to create graphs for bootstrapping purposes.

-P, --deb-profiles=name[,name...]

Comma separated list of activated build profiles.

--deb-drop-b-d-indep

Drop Build-Depends-Indep dependencies from Debian source packages.

Examples

Find all the reverse binary dependencies of the package patchutils:

        dose-ceve --deb-native-arch amd64 -r patchutils -T deb \
                deb:///var/lib/apt/lists/*_dists_sid_main_binary-amd64_Packages \
                | grep-dctrl -n -s Package '' | sort -u

Find all the source packages that (directly or indirectly) build depend on patchutils:

        dose-ceve -T debsrc --deb-native-arch=amd64 -r patchutils \
                debsrc:///var/lib/apt/lists/*_dists_sid_main_source_Sources \
                deb:///var/lib/apt/lists/*_dists_sid_main_binary-amd64_Packages \
                | grep-dctrl -n -s Package '' | sort -u

Find the source packages (-T debsrc) that have in a relation builds-from with all the binary package in the reverse dependency cone of libssl-dev (a specific version constraint).

  dose-ceve --deb-builds-from --deb-native-arch=amd64 -T debsrc \
  -r 'libssl-dev (>= 0.9.8)' deb://Sid-amd64-Packages-050812.bz2 \
  debsrc://Sid-Sources-050812.bz2

Info

2016-07-20 DOSE Tools