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.TH GS-ELPA 8 "2013-08-04" "0.1" "g-sorcery"
.SH NAME
gs-elpa \- manage overlays for ELPA repositories
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.SH SYNOPSIS
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\fBgs\-elpa\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBsync\fP
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\fBgs\-elpa\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBlist\fP
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\fBgs\-elpa\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBgenerate\fP \fIPACKAGE\fP
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\fBgs\-elpa\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBinstall\fP \fIPACKAGE\fP
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\fBgs\-elpa\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBgenerate\-tree\fP [\fB\-d\fP]
.SH DESCRIPTION
.sp
\fBgs\-elpa\fP is an ebuild generator for ELPA repositories \-\- repositories with
elisp packages for emacs.
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There are two ways of using \fBgs\-elpa\fP:
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.IP \(bu 2
use it with \fBlayman\fP
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In this case all you need to do is install \fBlayman\-9999\fP, \fBg\-sorcery\fP
and \fBgs\-elpa\fP. Then you should just run \fIlayman \-L\fP as
root and find an overlay you want. Type of overlay will be
displayed as \fIg\-sorcery\fP. Then you add this overlay as
usual. It\(aqs all you need to do and it\(aqs the recommended way of
using \fBgs\-elpa\fP.
.IP \(bu 2
use it as stand\-alone tool
.sp
In this case you should create an overlay (see \fBportage\fP documentation), sync it and populate
it with one or more ebuilds. Then ebuilds could be installed by emerge or by \fBgs\-elpa\fP tool.
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.SH OPTIONS
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.TP
.B \fB\-\-overlay\fP \fIOVERLAY\fP, \fB\-o\fP \fIOVERLAY\fP
Overlay directory. This option is mandatory if there is no
\fBdefault_overlay\fP entry in a backend config.
.TP
.B \fB\-\-repository\fP \fIREPO\fP, \fB\-r\fP \fIREPO\fP
Repository name. Can be one of \fBgnu\-elpa\fP, \fBmarmalade\fP, \fBmelpa\fP.
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.SH COMMANDS
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.TP
.B \fBsync\fP
Synchronize a repository database.
.TP
.B \fBlist\fP
List packages available in a repository.
.TP
.B \fBgenerate\fP
Generate a given ebuild and all its dependencies.
.TP
.B \fBinstall\fP
Generate and install an ebuild using your package mangler.
.TP
.B \fBgenerate\-tree\fP
Generate entire overlay structure. Without option \fB\-d\fP after
this command sources are not fetched during generation and there
are no entries for them in Manifest files.
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.SH FILES
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.TP
.B \fB/etc/g\-sorcery/gs\-elpa.json\fP
Backend config.
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.B \fB/etc/layman/overlays/gs\-elpa\-overlays.xml\fP
List of available repositories.
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.SH EXAMPLES
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.TP
.B Using gs\-elpa with layman
Execute
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\fBlayman \-L\fP
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Find there an overlay you need (there are
3 gs\-elpa overlays currently: gnu\-elpa, marmalade and melpa).
Add, e.g.
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\fBlayman \-a gnu\-elpa \-a marmalade\fP
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Emerge any package from it, e.g.
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\fBemerge \-va clojure\-mode\fP
.TP
.B Generating user ebuilds in user overlay
Create new user overlay. Run
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\fBgs\-elpa \-o\fP \fIOVERLAY_DIRECTORY\fP \fB\-r gnu\-elpa\fP \fBsync\fP
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List packages:
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\fBgs\-elpa \-o\fP \fIOVERLAY_DIRECTORY\fP \fB\-r gnu\-elpa\fP \fBlist\fP
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Install any package you want:
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\fBgs\-elpa \-o\fP \fIOVERLAY_DIRECTORY\fP \fB\-r gnu\-elpa\fP \fBinstall\fP \fIPACKAGE\fP
.sp
Repositories you can use are gnu\-elpa, marmalade and melpa. You can use them
all in one overlay. Note, that if you call \fBgenerate\-tree\fP command your overlay
will be wiped and overlay tree for a given repository will be generated. Be careful!
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.SH NOTES
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1. At the moment upstream layman does not support g\-sorcery overlay type.
You should patch it with \fIhttps://raw.github.com/jauhien/g\-sorcery/master/layman\-git\-g\-sorcery.patch\fP.
.sp
To do it download above mentioned patch, place it in
\fB/etc/portage/patches/app\-portage/layman\-9999/\fP directory and
create a file \fB/etc/portage/bashrc\fP that looks like
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.nf
.ft C
post_src_prepare() {
    epatch_user
}
.ft P
.fi
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Then you can emerge \fBapp\-portage/layman\-9999\fP.
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.IP 2. 3
At the moment the only package mangler \fBgs\-elpa\fP supports is \fBportage\fP.
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.SH BUGS
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Some packages in \fBmarmalade\fP and \fBmelpa\fP depend on packages from gnu\-elpa. \fBinstall\fP and \fBgenerate\fP
commands will fail on them as dependencies between overlays are not supported currently. So the
recommended way of using gs\-elpa is using it with layman. Even doing so you should always add
gnu\-elpa repository: \fBlayman \-a gnu\-elpa\fP.
.SH SEE ALSO
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\fBgs\-ctan\fP(8), \fBportage\fP(5), \fBemerge\fP(1), \fBlayman\fP(8)
.SH AUTHOR
Written by Jauhien Piatlicki <piatlicki@gmail.com>. GSoC idea
and mentorship by Rafael Martins. Lots of help and improvements
by Brian Dolbec.
.SH COPYRIGHT
Copyright (c) 2013 Jauhien Piatlicki, License: GPL-2
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