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.TH "EGENCACHE" "1" "March 2009" "Portage 2.2" "Portage"
.SH "NAME"
egencache \- generate metadata cache for ebuild repositories
.SH "SYNOPSIS"
.B egencache
.I [options] --update [ATOM]\fR...
.SH "DESCRIPTION"
The egencache program generates metadata cache for ebuild repositories.
.SH ACTIONS
.TP
.BR "\-\-update [ATOM] ... "
Update the \fImetadata/cache/\fR directory (generate metadata as necessary).
If no package atoms are specified then all will be updated. See ebuild(5)
for the details on package atom syntax.
.SH OPTIONS
.TP
.BR "\-\-cache\-dir=CACHE_DIR"
Location of the metadata cache.
.br
Defaults to /var/cache/edb/dep.
.TP
.BR "\-\-config\-root=CONFIG_ROOT"
Location of portage config files.
.br
Defaults to /.
.TP
.BR "\-\-ignore-default-opts"
Causes \fIEGENCACHE_DEFAULT_OPTS\fR to be ignored.
.TP
.BR "\-\-jobs=JOBS"
Specifies the maximum number of ebuild processes to spawn simultaneously.
Also see the related \fB\-\-load\-average\fR option.
.TP
.BR \-\-load\-average=LOAD
Specifies that maximum load allowed when spawning multiple jobs.
.TP
.BR "\-\-rsync"
When used together with the \fB\-\-update\fR action, this enables a workaround
for cases in which the content of a cache entry changes and neither the file
mtime nor size changes, preventing rsync from detecting changes. Such cases are
handled by bumping the mtime on the ebuild (and the corresponding cache entry).
This option should only be needed for distribution via something like
\fBrsync\fR(1), which relies on timestamps and file sizes to detect changes
(see \fBbug 139134\fR). It's not needed with \fBgit\fR(1) since that uses a
more thorough mechanism which allows it to detect changed inode numbers
(described in \fIracy-git.txt\fR in the git technical docs).
.SH "ENVIRONMENT OPTIONS"
.TP
\fBEGENCACHE_DEFAULT_OPTS\fR
If this variable is set in \fBmake.conf\fR(5) then any options that it
contains will be added to the beginning of the command line on every
invocation. These options will not be added if the
\fB\-\-ignore-default\-opts\fR option is specified.
.SH "REPORTING BUGS"
Please report bugs via http://bugs.gentoo.org/
.SH "AUTHORS"
.nf
Zac Medico <zmedico@gentoo.org>
.fi
.SH "FILES"
.TP
.B /etc/make.conf
Contains variables.
.SH "SEE ALSO"
.BR emerge (1),
.BR make.conf (5),
.BR portage (5)
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