-.TH "EMERGE" "1" "Dec 2011" "Portage VERSION" "Portage"
+.TH "EMERGE" "1" "Sep 2012" "Portage VERSION" "Portage"
.SH "NAME"
emerge \- Command\-line interface to the Portage system
.SH "SYNOPSIS"
encompasses both the \fBselected\fR and \fBsystem\fR sets. [See
\fBFILES\fR below for more information.] Other sets can exist depending
on the current configuration. The default set configuration is located
-in the \fB/usr/share/portage/config/sets\fR directory. Note that a \fIset\fR
+in the \fB/usr/share/portage/config/sets\fR directory.
+User sets may be created by placing files in the \fB/etc/portage/sets/\fR
+directory (see \fBportage\fR(5)). Note that a \fIset\fR
is generally used in conjunction with \fB\-\-update\fR. When used as
arguments to \fBemerge\fR sets have to be prefixed with \fB@\fR to be
recognized. Use the \fB\-\-list\-sets\fR action to display a list of
in order to detect such breakage.
\fBWARNING:\fR
-Inexperienced users are advised to use \fB\-\-pretend\fR with this
-option in order to see a preview of which packages
+Inexperienced users are advised to use \fB\-\-pretend\fR or \fB\-\-ask\fR
+with this option in order to see a preview of which packages
will be uninstalled. Always study the list of packages
to be cleaned for any obvious mistakes. Note that packages listed in
package.provided (see \fBportage\fR(5)) may be removed by
.TP
.BR "\-\-resume" (\fB\-r\fR)
Resumes the most recent merge list that has been aborted due to an error.
+This re\-uses the options that were given with the original
+command that's being resumed, and the user may also provide
+additional options when calling \fB\-\-resume\fR.
Please note that this operation will only return an error on failure. If there
is nothing for portage to do, then portage will exit with a message and a
success condition. A resume list will persist until it has been completed in
dependencies must already be emerged on the system.
.TP
.BR "\-\-changed\-use"
-This is an alias for \fB\-\-reinstall=changed\-use\fR.
+Tells emerge to include installed packages where USE flags have
+changed since installation. This option also implies the
+\fB\-\-selective\fR option. Unlike \fB\-\-newuse\fR, the
+\fB\-\-changed\-use\fR option does not trigger reinstallation when
+flags that the user has not enabled are added or removed.
+
+NOTE: This option ignores the state of the "test" USE flag, since that flag
+has a special binding to FEATURES="test" (see \fBmake.conf\fR(5) for more
+information about \fBFEATURES\fR settings).
.TP
.BR "\-\-changelog " (\fB\-l\fR)
Use this in conjunction with the \fB\-\-pretend\fR option. This will
Using \fB\-\-with\-bdeps=y\fR together with \fB\-\-complete\-graph\fR makes
the graph as complete as possible.
.TP
+.BR "\-\-complete\-graph\-if\-new\-use < y | n >"
+Trigger the \fB\-\-complete\-graph\fR behavior if USE or IUSE will
+change for an installed package. This option is enabled by default.
+.TP
.BR "\-\-complete\-graph\-if\-new\-ver < y | n >"
Trigger the \fB\-\-complete\-graph\fR behavior if an installed package
version will change (upgrade or downgrade). This option is enabled by default.
.BR "\-\-ignore-default-opts"
Causes \fIEMERGE_DEFAULT_OPTS\fR (see \fBmake.conf\fR(5)) to be ignored.
.TP
+.BR "\-\-ignore\-built\-slot\-operator\-deps < y | n >"
+Ignore the slot/sub\-slot := operator parts of dependencies that have
+been recorded when packages where built. This option is intended
+only for debugging purposes, and it only affects built packages
+that specify slot/sub\-slot := operator dependencies using the
+experimental "4\-slot\-abi" or "5_pre2" EAPIs.
+.TP
.BR "-j [JOBS], \-\-jobs[=JOBS]"
Specifies the number of packages to build simultaneously. If this option is
given without an argument, emerge will not limit the number of jobs that can
USE flags may be toggled by your profile as well as your USE and package.use
settings. If you would like to skip rebuilds for which disabled flags have
been added to or removed from IUSE, see the related
-\-\-reinstall=changed\-use option.
+\fB\-\-changed\-use\fR option. If you would like to skip rebuilds for
+specific packages, see the \fB\-\-exclude\fR option.
+
+NOTE: This option ignores the state of the "test" USE flag, since that flag
+has a special binding to FEATURES="test" (see \fBmake.conf\fR(5) for more
+information about \fBFEATURES\fR settings).
.TP
.BR "\-\-noconfmem"
Causes portage to disregard merge records indicating that a config file
.TP
.BR "\-\-noreplace " (\fB\-n\fR)
Skips the packages specified on the command\-line that have already
-been installed. Without this option, any packages, ebuilds, or deps
+been installed. Without this option, any package atoms or package sets
you specify on the command\-line \fBwill\fR cause Portage to remerge
the package, even if it is already installed. Note that Portage will
not remerge dependencies by default.
S new SLOT installation (side-by-side versions)
U updating (to another version)
D downgrading (best version seems lower)
-R replacing (remerging same version))
+r reinstall (forced due to slot or sub\-slot change of a dependency)
+R replacing (remerging same version)
F fetch restricted (must be manually downloaded)
f fetch restricted (already downloaded)
I interactive (requires user input)
build failures (due to options like \-\-keep\-going or \-\-jobs),
then the content of the log files will not be displayed, and instead
the paths of the log files will be displayed together with the
-corresponding die messages. This option is enabled by default. In
-order to disable \-\-quiet\-build by default, set \-\-quiet\-build=n
-in the \fBEMERGE_DEFAULT_OPTS\fR variable in \fBmake.conf\fR(5).
+corresponding die messages.
Note that interactive packages currently force all build output to
be displayed on stdout. This issue can be temporarily avoided
by specifying \fI\-\-accept\-properties=\-interactive\fR.
.TP
+.BR "\-\-quiet\-repo\-display"
+In the package merge list display, suppress ::repository output, and
+instead use numbers to indicate which repositories package come from.
+.TP
.BR \-\-quiet\-unmerge\-warn
Disable the warning message that's shown prior to
\fB\-\-unmerge\fR actions. This option is intended
to be set in the \fBmake.conf\fR(5)
\fBEMERGE_DEFAULT_OPTS\fR variable.
.TP
+.BR "\-\-rebuild\-if\-new\-slot [ y | n ]"
+Automatically rebuild or reinstall packages when slot/sub\-slot :=
+operator dependencies can be satisfied by a newer slot, so that
+older packages slots will become eligible for removal by the
+\-\-depclean action as soon as possible. This option only
+affects packages that specify slot/sub\-slot := dependencies using the
+experimental "4\-slot\-abi" or "5_pre2" EAPIs.
+Since this option requires
+checking of reverse dependencies, it enables \-\-complete\-graph
+mode whenever a new slot is installed. This option is enabled by
+default.
+.TP
.BR "\-\-rebuild\-if\-new\-rev [ y | n ]"
Rebuild packages when build\-time dependencies are built from source, if the
dependency is not already installed with the same version and revision.
be considered by the rebuilt\-binaries logic.
.TP
.BR "\-\-reinstall changed\-use"
-Tells emerge to include installed packages where USE flags have
-changed since installation. Unlike \fB\-\-newuse\fR, this option does
-not trigger reinstallation when flags that the user has not
-enabled are added or removed.
+This is an alias for \fB\-\-changed\-use\fR.
.TP
.BR "\-\-reinstall\-atoms " ATOMS
A space separated list of package names or slot atoms. Emerge will treat
This is identical to the \fB\-\-noreplace\fR option.
Some options, such as \fB\-\-update\fR, imply \fB\-\-selective\fR.
Use \fB\-\-selective=n\fR if you want to forcefully disable
-\fB\-\-selective\fR, regardless of options like \fB\-\-update\fR.
+\fB\-\-selective\fR, regardless of options like \fB\-\-changed\-use\fR,
+\fB\-\-newuse\fR, \fB\-\-noreplace\fR, or \fB\-\-update\fR.
.TP
.BR "\-\-skipfirst"
This option is only valid when used with \fB\-\-resume\fR. It removes the
* suffix transition to or from the enabled state
% suffix newly added or removed
() circumfix forced, masked, or removed
+{} circumfix state is bound to FEATURES settings
.TE
.TP
+.BR "\-\-verbose\-main\-repo\-display"
+In the package merge list display, print ::repository even for main repository.
+.TP
.BR "\-\-with\-bdeps < y | n >"
In dependency calculations, pull in build time dependencies
that are not strictly required. This defaults to \'n\' for
part). If you want those USE settings to be more
permanent, you can put them in /etc/portage/package.use instead.
.LP
-If \fBemerge \-\-update system\fR or \fBemerge \-\-update world\fR
+If \fBemerge \-\-update @system\fR or \fBemerge \-\-update @world\fR
fails with an error message, it may be that an ebuild uses some
newer feature not present in this version of \fBemerge\fR. You
can use \fBemerge \-\-update portage\fR to upgrade to the lastest
this file, adding packages that you want to be considered in \fBworld\fR
set updates and removing those that you do not want to be considered.
.TP
+.B /var/lib/portage/world_sets
+This is like the world file but instead of package atoms it contains
+packages sets which always begin with the \fB@\fR character. Use
+\fB/etc/portage/sets/\fR to define user package sets.
+.TP
.B /etc/make.conf
Contains variables for the build process, overriding those in
\fBmake.globals\fR.
.B /etc/portage/color.map
Contains variables customizing colors.
.TP
+.B /etc/portage/sets/
+Contains user package set definitions (see \fBportage\fR(5)).
+.TP
.B /etc/dispatch\-conf.conf
Contains settings to handle automatic updates/backups of configuration
files.
.TP
-.B /etc/make.profile/make.defaults
+.B /etc/portage/make.profile/make.defaults
Contains profile\-specific variables for the build process. \fBDo not
edit this file\fR.
.TP
Contains the master list of USE flags with descriptions of their
functions. \fBDo not edit this file\fR.
.TP
-.B /etc/make.profile/virtuals
+.B /etc/portage/make.profile/virtuals
Contains a list of default packages used to resolve virtual dependencies.
\fBDo not edit this file\fR.
.TP
-.B /etc/make.profile/packages
+.B /etc/portage/make.profile/packages
Contains a list of packages used for the base system. The \fBsystem\fR
and \fBworld\fR sets consult this file. \fBDo not edit this file\fR.
.TP
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