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portageq is a tool to quickly query Portage information. It is primarily used by Gentoo developers in order to determine Portage configuration information.


Every Gentoo system should have portageq installed. Run a quick test by issuing the the --help option as seen in the usage section below.

If usage instructions are not displayed to the terminal there is certainly a problem. It is possible to (re)install Portage by following the Portage installation instructions.



user $portageq --help
>>> Portage information query tool
>>> Usage: portageq <command> [<option> ...]

Available commands:
   all_best_visible <eroot>
      Returns all best_visible packages (without .ebuild).
   available_eclasses <eroot> <repo_id>+
      Returns space-separated list of available eclasses for specified repository.
   best_version <eroot> <category/package>
      Returns highest installed matching category/package-version (without .ebuild).
   best_visible <eroot> [pkgtype] <atom>
      Returns category/package-version (without .ebuild).
      The pkgtype argument defaults to "ebuild" if unspecified,
      otherwise it must be one of ebuild, binary, or installed.
   colormap Display the color.map as environment variables.
   config_protect Returns the CONFIG_PROTECT paths.
   config_protect_mask Returns the CONFIG_PROTECT_MASK paths.
   contents <eroot> <category/package>
      List the files that are installed for a given package, with
      one file listed on each line. All file names will begin with
   distdir Returns the DISTDIR path.
   eclass_path <eroot> <repo_id> <eclass>+
      Returns the path to specified eclass for specified repository.
   envvar <variable>+
      Returns a specific environment variable as exists prior to ebuild.sh.
      Similar to: emerge --verbose --info | egrep '^<variable>='
   expand_virtual <eroot> <atom>
      Returns a \n separated list of atoms expanded from a
      given virtual atom (GLEP 37 virtuals only),
      excluding blocker atoms. Satisfied
      virtual atoms are not included in the output, since
      they are expanded to real atoms which are displayed.
      Unsatisfied virtual atoms are displayed without
      any expansion. The "match" command can be used to
      resolve the returned atoms to specific installed
   filter_protected <eroot>
      Read filenames from stdin and write them to stdout if they are protected.
      All filenames are delimited by \n and must begin with <eroot>.
   gentoo_mirrors Returns the mirrors set to use in the portage configuration.
   get_repo_path <eroot> <repo_id>+
      Returns the path to the repo named argv[1], argv[0] = $EROOT
   get_repos <eroot>
      Returns all repos with names (repo_name file) argv[0] = $EROOT
   has_version <eroot> <category/package>
      Return code 0 if it's available, 1 otherwise.
   is_protected <eroot> <filename>
      Given a single filename, return code 0 if it's protected, 1 otherwise.
      The filename must begin with <eroot>.
   license_path <eroot> <repo_id> <license>+
      Returns the path to specified license for specified repository.
   list_preserved_libs <eroot>
      Print a list of libraries preserved during a package update in the form
      package: path. Returns 1 if no preserved libraries could be found,
      0 otherwise.
   mass_best_version <eroot> [<category/package>]+
      Returns category/package-version (without .ebuild).
   mass_best_visible <eroot> [<type>] [<category/package>]+
      Returns category/package-version (without .ebuild).
      The pkgtype argument defaults to "ebuild" if unspecified,
      otherwise it must be one of ebuild, binary, or installed.
   master_repos <eroot> <repo_id>+
      This is an alias for the master_repositories command.
   master_repositories <eroot> <repo_id>+
      Returns space-separated list of master repositories for specified repository.
   match <eroot> <atom>
      Returns a \n separated list of category/package-version.
      When given an empty string, all installed packages will
      be listed.
   metadata <eroot> <pkgtype> <category/package> [<key>]+
      Returns metadata values for the specified package.
   owners <eroot> [<filename>]+
      Given a list of files, print the packages that own the files and which
      files belong to each package. Files owned by a package are listed on
      the lines below it, indented by a single tab character (\t). All file
      paths must either start with <eroot> or be a basename alone.
      Returns 1 if no owners could be found, and 0 otherwise.
   pkgdir Returns the PKGDIR path.
   portdir Returns the PORTDIR path.
      Deprecated in favor of get_repo_path command.
   portdir_overlay Returns the PORTDIR_OVERLAY path.
      Deprecated in favor of get_repos & get_repo_path or repos_config commands.
   pquery [options] [atom]+
      Emulates a subset of Pkgcore's pquery tool.
   repos_config <eroot>
      This is an alias for the repositories_configuration command.
   repositories_configuration <eroot>
      Returns the configuration of repositories.
   vdb_path Returns the path used for the var(installed) package database for the
      set environment/configuration options.

Pkgcore pquery compatible options:

usage: portageq pquery [options] [atom ...]

Repository matching options:
  --no-filters          no visibility filters (ACCEPT_KEYWORDS, package
                        masking, etc)
  --repo REPO           repository to use (all repositories are used by

Package matching options:
  --herd HERD           exact match on a herd
  --maintainer-email MAINTAINER_EMAIL
                        comma-separated list of maintainer email regexes to
                        search for

Output formatting:
  -n, --no-version      collapse multiple matching versions together

Querying environment variables

Probably the only question users will have as they read through the help output above is the definition of eroot. eroot simply means the repository filesystem path (directory) and can be obtained by:

user $portageq envvar EROOT

Queryable Portage specific environmental variables are listed in /usr/portage/profiles/info_vars. The queryable user environment's environment variables can be shown using the env command.

Return the CONFIG_PROTECT variable value (should be a filesystem path):

user $portageq config_protect

Return the DISTDIR variable value (should be a filesystem path):

user $portageq distdir

Return the PKGDIR variable value (should be a filesystem path):

user $portageq pkgdir

Query repository information

To see a detailed list of repositories as configured in repos.conf, without any formatting:

user $portageq repos_config /

As before, but without details:

user $portageq get_repos /


Simply put, removing the package management system on Gentoo is a bad idea. Do not do it!

See also

  • elogv - A curses-based tool that parses the contents of elogs created by Portage.
  • egencache - A tool that rebuilds metadata information for the Portage tree (included with Portage).
  • Environment variables (AMD64 handbook)