remove gs-ctan as Gentoo already has good support for CTAN packages

21 files changed, 15 insertions, 1436 deletions

diff --git a/README.md b/README.md
index 0e26fb6..4b25590 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ Add `jauhien` overlay: **layman -a jauhien**.
 
 Emerge g-sorcery: **emerge -va g-sorcery**.
 
-Currently 3 backends are available: **gs-elpa**, **gs-pypi** and **gs-ctan**.
+Currently 2 backends are available: **gs-elpa** and **gs-pypi**.
 
 Here is an example of using gs-elpa backend.
 
@@ -127,6 +127,6 @@ Repositories you can use are gnu-elpa, marmalade and melpa. You can use them
 all in one overlay. Note, that if you call **generate-tree** command your overlay
 will be wiped and overlay tree for a given repository will be generated. Be careful!
 
-See man pages of **gs-elpa**, **gs-pypi** and **gs-ctan** for further information.
+See man pages of **gs-elpa** and **gs-pypi** for further information.
 
 If you want to develop a new backend see [developer's instructions](https://github.com/jauhien/g-sorcery/blob/master/docs/developer_instructions.rst).
diff --git a/bin/gs-ctan b/bin/gs-ctan
deleted file mode 100755
index 7b1612d..0000000
--- a/bin/gs-ctan
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-
-g-sorcery gs-ctan $@
diff --git a/docs/Makefile b/docs/Makefile
index 8af5b2c..5c25523 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,7 +1,7 @@
 HTML_SOURCES=developer_instructions
 HTML_DOCS=$(HTML_SOURCES:=.html)
 
-MAN_SOURCES=g-sorcery g-sorcery.cfg gs-pypi gs-ctan
+MAN_SOURCES=g-sorcery g-sorcery.cfg gs-pypi
 MANS=$(MAN_SOURCES:=.8)
 
 RST2HTML=rst2html.py
diff --git a/docs/developer_instructions.html b/docs/developer_instructions.html
index a9798cb..f4e89ab 100644
--- a/docs/developer_instructions.html
+++ b/docs/developer_instructions.html
@@ -943,7 +943,7 @@ that quacks like this class.</p>
 <p>Before doing it you should have defined classes you pass to it as parameters. They should be database
 generator, two ebuild generators, eclass and metadata generators.</p>
 <p>Also you should write an executable that calls g-sorcery and some configs.</p>
-<p>To have better understanding you can look at gs-elpa, gs-ctan and gs-pypi backends available
+<p>To have better understanding you can look at gs-elpa and gs-pypi backends available
 in g-sorcery repository. Also available tests could be usefull.</p>
 <p>Note that there is a tool for editing generated database named <strong>gs-db-tool</strong>.</p>
 </div>
diff --git a/docs/developer_instructions.rst b/docs/developer_instructions.rst
index b54adfa..de266b9 100644
--- a/docs/developer_instructions.rst
+++ b/docs/developer_instructions.rst
@@ -634,7 +634,7 @@ generator, two ebuild generators, eclass and metadata generators.
 
 Also you should write an executable that calls g-sorcery and some configs.
 
-To have better understanding you can look at gs-elpa, gs-ctan and gs-pypi backends available
+To have better understanding you can look at gs-elpa and gs-pypi backends available
 in g-sorcery repository. Also available tests could be usefull.
 
 Note that there is a tool for editing generated database named **gs-db-tool**.
diff --git a/docs/g-sorcery.8 b/docs/g-sorcery.8
index 1122fde..066e35b 100644
--- a/docs/g-sorcery.8
+++ b/docs/g-sorcery.8
@@ -127,7 +127,7 @@ At the moment the only package mangler \fBg\-sorcery\fP supports is \fBportage\f
 .UNINDENT
 .SH SEE ALSO
 .sp
-\fBg\-sorcery.cfg\fP(8), \fBgs\-elpa\fP(8), \fBgs\-pypi\fP(8), \fBgs\-ctan\fP(8), \fBportage\fP(5), \fBemerge\fP(1), \fBlayman\fP(8)
+\fBg\-sorcery.cfg\fP(8), \fBgs\-elpa\fP(8), \fBgs\-pypi\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
diff --git a/docs/g-sorcery.8.rst b/docs/g-sorcery.8.rst
index 121b571..9ea702f 100644
--- a/docs/g-sorcery.8.rst
+++ b/docs/g-sorcery.8.rst
@@ -112,4 +112,4 @@ NOTES
 SEE ALSO
 ========
 
-**g-sorcery.cfg**\(8), **gs-elpa**\(8), **gs-pypi**\(8), **gs-ctan**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
+**g-sorcery.cfg**\(8), **gs-elpa**\(8), **gs-pypi**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
diff --git a/docs/g-sorcery.cfg.8 b/docs/g-sorcery.cfg.8
index 0f11180..1643315 100644
--- a/docs/g-sorcery.cfg.8
+++ b/docs/g-sorcery.cfg.8
@@ -63,7 +63,7 @@ marmalade_packages = clojure\-mode clojurescript\-mode
 .UNINDENT
 .SH SEE ALSO
 .sp
-\fBg\-sorcery\fP(8), \fBgs\-elpa\fP(8), \fBgs\-pypi\fP(8), \fBgs\-ctan\fP(8), \fBportage\fP(5), \fBemerge\fP(1), \fBlayman\fP(8)
+\fBg\-sorcery\fP(8), \fBgs\-elpa\fP(8), \fBgs\-pypi\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
diff --git a/docs/g-sorcery.cfg.8.rst b/docs/g-sorcery.cfg.8.rst
index 50a732c..7f9790f 100644
--- a/docs/g-sorcery.cfg.8.rst
+++ b/docs/g-sorcery.cfg.8.rst
@@ -56,4 +56,4 @@ EXAMPLE
 SEE ALSO
 ========
 
-**g-sorcery**\(8), **gs-elpa**\(8), **gs-pypi**\(8), **gs-ctan**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
+**g-sorcery**\(8), **gs-elpa**\(8), **gs-pypi**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
diff --git a/docs/gs-ctan.8 b/docs/gs-ctan.8
deleted file mode 100644
index 8c456be..0000000
--- a/docs/gs-ctan.8
+++ /dev/null
@@ -1,153 +0,0 @@
-.\" Man page generated from reStructuredText.
-.
-.TH GS-CTAN 8 "2013-08-04" "0.1" "g-sorcery"
-.SH NAME
-gs-ctan \- manage overlays for CTAN repository
-.
-.nr rst2man-indent-level 0
-.
-.de1 rstReportMargin
-\\$1 \\n[an-margin]
-level \\n[rst2man-indent-level]
-level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
--
-\\n[rst2man-indent0]
-\\n[rst2man-indent1]
-\\n[rst2man-indent2]
-..
-.de1 INDENT
-.\" .rstReportMargin pre:
-. RS \\$1
-. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
-. nr rst2man-indent-level +1
-.\" .rstReportMargin post:
-..
-.de UNINDENT
-. RE
-.\" indent \\n[an-margin]
-.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
-.nr rst2man-indent-level -1
-.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
-.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
-..
-.SH SYNOPSIS
-.sp
-\fBgs\-ctan\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBsync\fP
-.sp
-\fBgs\-ctan\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBlist\fP
-.sp
-\fBgs\-ctan\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBgenerate\fP \fIPACKAGE\fP
-.sp
-\fBgs\-ctan\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBinstall\fP \fIPACKAGE\fP
-.sp
-\fBgs\-ctan\fP \fB\-o\fP \fIOVERLAY\fP [\fB\-r\fP \fIREPO\fP] \fBgenerate\-tree\fP [\fB\-d\fP]
-.SH DESCRIPTION
-.sp
-\fBgs\-ctan\fP is an ebuild generator for CTAN TEXLIVE repository.
-.sp
-There are two ways of using \fBgs\-ctan\fP:
-.INDENT 0.0
-.INDENT 3.5
-.INDENT 0.0
-.IP \(bu 2
-use it with \fBlayman\fP
-.sp
-In this case all you need to do is install \fBlayman\-9999\fP and \fBg\-sorcery\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\-ctan\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\-ctan\fP tool.
-.UNINDENT
-.UNINDENT
-.UNINDENT
-.SH OPTIONS
-.INDENT 0.0
-.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. This option is not mandatory. If present should be \fBctan\fP.
-.UNINDENT
-.SH COMMANDS
-.INDENT 0.0
-.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.
-.UNINDENT
-.SH FILES
-.INDENT 0.0
-.TP
-.B \fB/etc/g\-sorcery/gs\-ctan.json\fP
-Backend config.
-.TP
-.B \fB/etc/layman/overlays/gs\-ctan\-overlays.xml\fP
-List of available repositories.
-.UNINDENT
-.SH EXAMPLES
-.INDENT 0.0
-.TP
-.B Using gs\-ctan with layman
-Execute
-.sp
-\fBlayman \-L\fP
-.sp
-If you see there a \fBctan\fP overlay then anything should work.
-.sp
-\fBlayman \-a ctan\fP
-.sp
-Emerge any package from it using \fBemerge\fP.
-.TP
-.B Generating user ebuilds in user overlay
-Create new user overlay. Run
-.sp
-\fBgs\-ctan \-o\fP \fIOVERLAY_DIRECTORY\fP \fB\-r ctan\fP \fBsync\fP
-.sp
-List packages:
-.sp
-\fBgs\-ctan \-o\fP \fIOVERLAY_DIRECTORY\fP \fB\-r ctan\fP \fBlist\fP
-.sp
-Install any package you want:
-.sp
-\fBgs\-ctan \-o\fP \fIOVERLAY_DIRECTORY\fP \fB\-r ctan\fP \fBinstall\fP \fIPACKAGE\fP
-.sp
-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!
-.UNINDENT
-.SH NOTES
-.INDENT 0.0
-.IP 1. 3
-At the moment the only package mangler \fBgs\-ctan\fP supports is \fBportage\fP.
-.UNINDENT
-.SH SEE ALSO
-.sp
-\fBgs\-pypi\fP(8), \fBgs\-elpa\fP(8), \fBg\-sorcery.cfg\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
-.\" Generated by docutils manpage writer.
-.
diff --git a/docs/gs-ctan.8.rst b/docs/gs-ctan.8.rst
deleted file mode 100644
index 348617e..0000000
--- a/docs/gs-ctan.8.rst
+++ /dev/null
@@ -1,130 +0,0 @@
-=======
-gs-ctan
-=======
-
------------------------------------
-manage overlays for CTAN repository
------------------------------------
-
-:Author: Written by Jauhien Piatlicki <piatlicki@gmail.com>. GSoC idea
-	 and mentorship by Rafael Martins. Lots of help and improvements
-	 by Brian Dolbec.
-:Date:   2013-08-04
-:Copyright: Copyright (c) 2013 Jauhien Piatlicki, License: GPL-2
-:Version: 0.1
-:Manual section: 8
-:Manual group: g-sorcery
-
-
-SYNOPSIS
-========
-
-**gs-ctan** **-o** *OVERLAY* [**-r** *REPO*] **sync**
-
-**gs-ctan** **-o** *OVERLAY* [**-r** *REPO*] **list**
-
-**gs-ctan** **-o** *OVERLAY* [**-r** *REPO*] **generate** *PACKAGE*
-
-**gs-ctan** **-o** *OVERLAY* [**-r** *REPO*] **install** *PACKAGE*
-
-**gs-ctan** **-o** *OVERLAY* [**-r** *REPO*] **generate-tree** [**-d**]
-
-DESCRIPTION
-===========
-
-**gs-ctan** is an ebuild generator for CTAN TEXLIVE repository.
-
-There are two ways of using **gs-ctan**:
-
-    * use it with **layman**
-
-      In this case all you need to do is install **layman-9999** and **g-sorcery**.
-      Then you should just run `layman -L` as
-      root and find an overlay you want. Type of overlay will be
-      displayed as *g-sorcery*. Then you add this overlay as
-      usual. It's all you need to do and it's the recommended way of
-      using **gs-ctan**.
-      
-    * use it as stand-alone tool
-
-      In this case you should create an overlay (see **portage** documentation), sync it and populate
-      it with one or more ebuilds. Then ebuilds could be installed by emerge or by **gs-ctan** tool.
-
-
-OPTIONS
-=======
-
-**--overlay** *OVERLAY*, **-o** *OVERLAY*
-    Overlay directory. This option is mandatory if there is no
-    **default_overlay** entry in a backend config.
-
-**--repository** *REPO*, **-r** *REPO*
-    Repository name. This option is not mandatory. If present should be **ctan**.
-
-COMMANDS
-========
-
-**sync**
-    Synchronize a repository database.
-
-**list**
-    List packages available in a repository.
-
-**generate**
-    Generate a given ebuild and all its dependencies.
-
-**install**
-    Generate and install an ebuild using your package mangler.
-
-**generate-tree**
-    Generate entire overlay structure. Without option **-d** after
-    this command sources are not fetched during generation and there
-    are no entries for them in Manifest files.
-
-FILES
-=====
-**/etc/g-sorcery/gs-ctan.json**
-    Backend config.
-
-**/etc/layman/overlays/gs-ctan-overlays.xml**
-    List of available repositories.
-
-EXAMPLES
-========
-
-Using gs-ctan with layman
-    Execute
-
-    **layman -L**
-
-    If you see there a **ctan** overlay then anything should work.
-
-    **layman -a ctan**
-
-    Emerge any package from it using **emerge**.
-
-Generating user ebuilds in user overlay
-    Create new user overlay. Run
-
-    **gs-ctan -o** *OVERLAY_DIRECTORY* **-r ctan** **sync**
-
-    List packages:
-
-    **gs-ctan -o** *OVERLAY_DIRECTORY* **-r ctan** **list**
-
-    Install any package you want:
-
-    **gs-ctan -o** *OVERLAY_DIRECTORY* **-r ctan** **install** *PACKAGE*
-
-    Note, that if you call **generate-tree** command your overlay
-    will be wiped and overlay tree for a given repository will be generated. Be careful!
-
-NOTES
-=====
-
-1. At the moment the only package mangler **gs-ctan** supports is **portage**.
-
-SEE ALSO
-========
-
-**gs-pypi**\(8), **gs-elpa**\(8), **g-sorcery.cfg**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
diff --git a/docs/gs-pypi.8 b/docs/gs-pypi.8
index 633de7d..7536605 100644
--- a/docs/gs-pypi.8
+++ b/docs/gs-pypi.8
@@ -142,7 +142,7 @@ At the moment the only package mangler \fBgs\-pypi\fP supports is \fBportage\fP.
 .UNINDENT
 .SH SEE ALSO
 .sp
-\fBgs\-elpa\fP(8), \fBgs\-ctan\fP(8), \fBg\-sorcery.cfg\fP(8), \fBportage\fP(5), \fBemerge\fP(1), \fBlayman\fP(8)
+\fBgs\-elpa\fP(8), \fBg\-sorcery.cfg\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
diff --git a/docs/gs-pypi.8.rst b/docs/gs-pypi.8.rst
index d5c7c07..92031cc 100644
--- a/docs/gs-pypi.8.rst
+++ b/docs/gs-pypi.8.rst
@@ -127,4 +127,4 @@ NOTES
 SEE ALSO
 ========
 
-**gs-elpa**\(8), **gs-ctan**\(8), **g-sorcery.cfg**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
+**gs-elpa**\(8), **g-sorcery.cfg**\(8), **portage**\(5), **emerge**\(1), **layman**\(8)
diff --git a/gs-ctan-overlays.xml b/gs-ctan-overlays.xml
deleted file mode 100644
index 0faceb6..0000000
--- a/gs-ctan-overlays.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE repositories SYSTEM "/dtd/repositories.dtd">
-<repositories xmlns="" version="1.0">
-<repo quality="experimental" status="unofficial">
-    <name>ctan</name>
-    <description>CTAN packages</description>
-    <homepage>http://www.ctan.org/</homepage>
-    <owner>
-      <email>piatlicki@gmail.com</email>
-      <name>Jauhien Piatlicki</name>
-    </owner>
-    <source type="g-sorcery">gs-ctan ctan</source>
-</repo>
-</repositories>
diff --git a/gs-ctan.json b/gs-ctan.json
deleted file mode 100644
index d25dbd1..0000000
--- a/gs-ctan.json
+++ /dev/null
@@ -1,706 +0,0 @@
-{
-  "backend": "gs-ctan",
-  "package": "gs_ctan", 
-  "repositories": {
-    "ctan": {
-      "repo_uri": "http://mirror.ctan.org/systems/texlive/tlnet/"
-    }
-  },
-  "common_config": {
-    "licenses": {
-     "apache2": "Apache-2.0",
-     "artistic": "Artistic",
-     "Artistic2": "Artistic-2",
-     "gpl": "GPL-1",
-     "gpl2": "GPL-2",
-     "gpl3": "GPL-3",
-     "knuth": "TeX",
-     "lgpl": "LGPL-2",
-     "lgpl2.1": "LGPL-2.1",
-     "lppl": "LPPL-1.2",
-     "lppl1": "LPPL-1.2",
-     "lppl1.2": "LPPL-1.2",
-     "lppl1.3": "LPPL-1.3c"
-    },
-    "exclude": [
-      "avantgar", "bookman", "charter", "cm-super",
-      "cmextra", "courier", "euro", "euro-ce", "eurosym", "fpl",
-      "helvetic", "lm", "lm-math", "marvosym", "mathpazo", "ncntrsbk",
-      "palatino", "pxfonts", "rsfs", "symbol", "tex-gyre", "tex-gyre-math",
-      "times", "tipa", "txfonts", "utopia", "wasy", "wasysym", "zapfchan", "zapfding",
-      "epsf", "fontname", "genmisc", "kastrup", "multido", "path",
-      "tex-ps", "ulem",
-      "anysize", "booktabs", "caption", "cite", "cmap", "crop", "ctable", "ec",
-      "eso-pic", "euler", "extsizes", "fancybox", "fancyref", "fancyvrb", "float",
-      "fontspec", "fp", "index", "jknapltx", "koma-script", "l3kernel",
-      "l3packages", "l3experimental", "listings", "mdwtools", "memoir", "metalogo",
-      "mh", "microtype", "ms", "ntgclass", "parskip", "pdfpages", "powerdot", "psfrag",
-      "rcs", "rotating", "sansmath", "section", "seminar", "sepnum", "setspace",
-      "subfig", "textcase", "thumbpdf", "typehtml", "underscore", "url", "xkeyval",
-      "aichej", "amsrefs", "apacite", "apalike2", "beebe", "bibarts", "biber",
-      "bibexport", "bibhtml", "biblatex-apa", "biblatex-bwl", "biblatex-caspervector",
-      "biblatex-chem", "biblatex-chicago", "biblatex-dw", "biblatex-fiwi", "biblatex-gost",
-      "biblatex-historian", "biblatex-ieee", "biblatex-juradiss", "biblatex-luh-ipw",
-      "biblatex-mla", "biblatex-musuos", "biblatex-nature", "biblatex-nejm",
-      "biblatex-philosophy", "biblatex-phys", "biblatex-publist", "biblatex-science",
-      "biblatex-swiss-legal", "biblatex-trad", "biblist", "bibtopic", "bibtopicprefix",
-      "bibunits", "breakcites", "cell", "chbibref", "chicago", "chicago-annote", "chembst",
-      "chscite", "collref", "compactbib", "custom-bib", "din1505", "dk-bib", "doipubmed",
-      "fbs", "figbib", "footbib", "francais-bst", "geschichtsfrkl", "harvard", "harvmac",
-      "historische-zeitschrift", "ijqc", "inlinebib", "iopart-num", "jneurosci", "jurabib",
-      "ksfh_nat", "listbib", "logreq", "margbib", "multibib", "multibibliography",
-      "munich", "notes2bib", "oscola", "perception", "pnas2009", "rsc", "showtags",
-      "sort-by-letters", "splitbib", "uni-wtal-ger", "uni-wtal-lin", "urlbst", "usebib",
-      "vak", "xcite",
-      "Asana-Math", "adforn", "adfsymbols", "aecc", "allrunes", "antiqua", "antt",
-      "archaic", "arev", "ascii-font", "aspectratio", "astro", "augie", "auncial-new",
-      "aurical", "b1encoding", "barcodes", "baskervald", "bbding", "bbm", "bbm-macros",
-      "bbold", "bbold-type1", "belleek", "bera", "berenisadf", "bguq", "blacklettert1",
-      "boisik", "bookhands", "boondox", "braille", "brushscr", "cabin", "calligra", "calligra-type1",
-      "cantarell", "carolmin-ps", "ccicons", "cfr-lm", "cherokee", "cm-lgc", "cm-unicode",
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-      "tikz-timing", "tikzinclude", "tikzmark", "tikzorbital",
-      "tikzpagenodes", "tikzpfeile", "tikzposter", "tikzscale",
-      "tikzsymbols", "tqft", "tkz-base", "tkz-berge", "tkz-doc",
-      "tkz-euclide", "tkz-fct", "tkz-graph", "tkz-kiviat",
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-      "translation-array-fr", "translation-dcolumn-fr",
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-      "newverbs", "nextpage", "nfssext-cfr", "nicefilelist",
-      "niceframe", "nicetext", "nlctdoc", "noitcrul", "nolbreaks",
-      "nomencl", "nomentbl", "nonfloat", "nonumonpart", "nopageno",
-      "notes", "notoccite", "nowidow", "ntheorem", "numname",
-      "numprint", "ocgtools", "ocr-latex", "octavo", "oldstyle",
-      "onlyamsmath", "opcit", "optional", "outline", "outliner",
-      "outlines", "overpic", "pagecolor", "pagecont", "pagenote",
-      "pagerange", "pageslts", "paper", "papercdcase", "papermas",
-      "papertex", "paracol", "paralist", "paresse", "parnotes",
-      "parselines", "patch", "patchcmd", "pauldoc", "pawpict", "pbox",
-      "pbsheet", "pdf14", "pdfcomment", "pdfcprot", "pdfmarginpar",
-      "pdfscreen", "pdfslide", "pdfsync", "pdfwin", "pdfx", "pecha",
-      "perltex", "permute", "petiteannonce", "philex", "photo",
-      "piff", "pittetd", "placeins", "plates", "plantslabels",
-      "plweb", "polyglot", "polynom", "polynomial", "polytable",
-      "postcards", "poster-mac", "ppr-prv", "preprint", "prettyref",
-      "preview", "printlen", "probsoln", "program", "progress",
-      "progressbar", "properties", "prosper", "protex", "protocol",
-      "psfragx", "pst-pdf", "pstool", "pxgreeks", "python", "qcm",
-      "quoting", "qstest", "qsymbols", "quotchap", "quotmark",
-      "randtext", "rccol", "rcs-multi", "rcsinfo", "realboxes",
-      "recipe", "recipecard", "rectopma", "refcheck", "refman",
-      "refstyle", "regcount", "regexpatch", "register", "regstats",
-      "relenc", "relsize", "repeatindex", "rjlparshap", "rlepsf",
-      "rmpage", "robustcommand", "robustindex", "romanbar",
-      "romanneg", "romannum", "romansh", "rotfloat", "rotpages",
-      "rtkinenc", "rvwrite", "sauerj", "savefnmark", "savesym",
-      "savetrees", "scale", "scalebar", "sdrt", "secdot",
-      "sectionbox", "sectsty", "selectp", "semantic", "semioneside",
-      "sepfootnotes", "seqsplit", "serbian-apostrophe",
-      "serbian-date-lat", "serbian-def-cyr", "serbian-lig",
-      "serbianc", "sf298", "sffms", "sfmath", "shadow", "shadowtext",
-      "shadethm", "shapepar", "shipunov", "shorttoc", "show2e",
-      "showcharinbox", "showexpl", "showlabels", "sidecap",
-      "sidenotes", "silence", "simplecd", "simplecv", "simplewick",
-      "sitem", "skb", "skeycommand", "skeyval", "slantsc",
-      "smalltableof", "smartref", "snapshot", "soul", "spanglish",
-      "sparklines", "sphack", "spreadtab", "spverbatim", "splitindex",
-      "spot", "spotcolor", "srbook-mem", "srcltx", "sseq", "stack",
-      "standalone", "statistik", "stdclsdv", "stdpage", "stex",
-      "storebox", "storecmd", "stringstrings", "sttools", "stubs",
-      "subdepth", "subeqn", "subeqnarray", "subfigmat", "subfigure",
-      "subfiles", "subfloat", "substitutefont", "substr",
-      "supertabular", "svgcolor", "svn", "svn-multi", "svn-prov",
-      "syntax", "syntrace", "synttree", "tabfigures", "tableaux",
-      "tablefootnote", "tablists", "tabls", "tabto-ltx", "tabu",
-      "tabularborder", "tabularcalc", "tabularew", "tabulary",
-      "tagging", "talk", "tcldoc", "tcolorbox", "tdclock", "technics",
-      "ted", "termcal", "termlist", "tex-label", "texlogos",
-      "texmate", "texments", "texpower", "texshade", "textfit",
-      "textgreek", "textmerg", "textpos", "theoremref",
-      "threeparttable", "threeparttablex", "thinsp", "thmtools",
-      "thumb", "thumbs", "thumby", "ticket", "timesht", "titlefoot",
-      "titlepic", "titleref", "titlesec", "titling", "tocbibind",
-      "tocloft", "tocvsec2", "todo", "todonotes", "tokenizer",
-      "toolbox", "topfloat", "totcount", "totpages", "tram",
-      "trfsigns", "trimspaces", "trsym", "trivfloat", "truncate",
-      "tucv", "turnthepage", "twoinone", "twoup", "txgreeks",
-      "type1cm", "typeface", "typogrid", "ucs", "uebungsblatt",
-      "umoline", "underlin", "undolabl", "units", "upmethodology",
-      "upquote", "uri", "ushort", "varindex", "varsfromjobname",
-      "varwidth", "verbasef", "verbatimbox", "verbatimcopy",
-      "verbdef", "verbments", "version", "versions", "vertbars",
-      "vhistory", "vmargin", "volumes", "vpe", "vruler", "vwcol",
-      "wallpaper", "warning", "warpcol", "was", "widetable",
-      "williams", "wordlike", "wrapfig", "xargs", "xbmc", "xcomment",
-      "xhfill", "xtab", "xdoc", "xfor", "xifthen", "xmpincl",
-      "xnewcommand", "xoptarg", "xpatch", "xpunctuate", "xstring",
-      "xwatermark", "xytree", "yafoot", "yagusylo", "ydoc", "yplan",
-      "zed-csp", "ziffer", "zwgetfdate", "zwpagelayout"
-    ]
-  }
-}
diff --git a/gs_ctan/__init__.py b/gs_ctan/__init__.py
deleted file mode 100644
index cf529d7..0000000
--- a/gs_ctan/__init__.py
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env python
-
diff --git a/gs_ctan/backend.py b/gs_ctan/backend.py
deleted file mode 100644
index 92245e6..0000000
--- a/gs_ctan/backend.py
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-    backend.py
-    ~~~~~~~~~~
-    
-    CTAN backend
-    
-    :copyright: (c) 2013 by Jauhien Piatlicki
-    :license: GPL-2, see LICENSE for more details.
-"""
-
-import os
-
-from g_sorcery.backend import Backend
-from g_sorcery.metadata import MetadataGenerator
-from g_sorcery.eclass import EclassGenerator
-from g_sorcery.fileutils import get_pkgpath
-
-from .ctan_db import CtanDBGenerator
-from .ebuild import CtanEbuildWithoutDigestGenerator, CtanEbuildWithDigestGenerator
-
-
-class CtanEclassGenerator(EclassGenerator):
-    """
-    Implementation of eclass generator. Only specifies a data directory.
-    """
-    def __init__(self):
-        super(CtanEclassGenerator, self).__init__(os.path.join(get_pkgpath(__file__), 'data'))
-        
-
-#Backend instance to be loaded by g_sorcery
-instance = Backend(CtanDBGenerator,
-                   CtanEbuildWithDigestGenerator, CtanEbuildWithoutDigestGenerator,
-                   CtanEclassGenerator, MetadataGenerator)
diff --git a/gs_ctan/ctan_db.py b/gs_ctan/ctan_db.py
deleted file mode 100644
index 0f7d939..0000000
--- a/gs_ctan/ctan_db.py
+++ /dev/null
@@ -1,210 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-    ctan_db.py
-    ~~~~~~~~~~
-    
-    CTAN package database
-    
-    :copyright: (c) 2013 by Jauhien Piatlicki
-    :license: GPL-2, see LICENSE for more details.
-"""
-
-import itertools
-import re
-
-import portage
-
-from g_sorcery.g_collections import Dependency, Package, serializable_elist
-from g_sorcery.package_db import DBGenerator
-from g_sorcery.logger import Logger
-
-class CtanDBGenerator(DBGenerator):
-    """
-    Implementation of database generator for CTAN LaTeX backend.
-    """
-    def __init__(self, package_db_class):
-        super(CtanDBGenerator, self).__init__(package_db_class)
-        
-        logger = Logger()
-        gentoo_arch = portage.settings['ARCH']
-        self.arch = ""
-        if gentoo_arch == "x86":
-            self.arch = "i386-linux"
-        elif gentoo_arch == "amd64":
-            self.arch = "x86_64-linux"
-        else:
-            logger.warning("not supported arch: " + gentoo_arch)
-
-
-    def get_download_uries(self, common_config, config):
-        """
-        Get download URI.
-        """
-        tlpdb_uri = config["repo_uri"] + "/tlpkg/texlive.tlpdb.xz"
-        return [tlpdb_uri]
-        
-    def parse_data(self, data_f):
-        """
-        Parse downloaded data.
-
-        Parsed data is a list of dictionaries.
-        Each dictionary corresponds to one package.
-
-        Args:
-            data_f: Open file wit data.
-
-        Returns:
-            Parsed data.
-        """
-        data = data_f.read()
-        
-        data = data.split("\n")
-        
-        #entries are separated by new lines
-        data = \
-        [list(group) for key, group in itertools.groupby(data, bool) if key]
-
-        #we need only Package entries
-        data = \
-        [entry for entry in data if entry[1] == "category Package"]
-
-        result = []
-
-        KEY = 0
-        VALUE = 1
-        FILES_LENGTH = len("files")
-        
-        for entry in data:     
-            res_entry = {}
-            previous_key = ""
-            current_key = ""
-            for line in entry:
-                line = line.split(" ")
-                if line[KEY][-FILES_LENGTH:] == "files":
-                    current_key = line[KEY]
-                    res_entry[current_key] = {}
-                    for value in line[VALUE:]:
-                        key, val = value.split("=")
-                        res_entry[current_key][key] = val
-                    res_entry[current_key]["files"] = []
-                elif not line[KEY]:
-                    res_entry[current_key]["files"].append(" ".join(line[VALUE:]))
-                elif line[KEY] == "depend":
-                    if "depend" in res_entry:
-                        res_entry["depend"].append(" ".join(line[VALUE:]))
-                    else:
-                        res_entry["depend"] = [" ".join(line[VALUE:])]
-                else:
-                    if previous_key == line[KEY]:
-                        res_entry[previous_key] += " " + " ".join(line[VALUE:])
-                    else:
-                        res_entry[line[KEY]] = " ".join(line[VALUE:])
-                        previous_key = line[KEY]
-                        current_key = ""
-
-            parts = res_entry["name"].split(".")
-            if len(parts) > 1:
-                if parts[1] != self.arch:
-                    continue
-
-            result.append(res_entry)
-        
-        return result
-
-    def process_data(self, pkg_db, data, common_config, config):
-        """
-        Process parsed data and fill database.
-        """
-
-        category = "dev-tex"
-        
-        pkg_db.add_category(category)
-
-        ARCH_LENGTH = len("ARCH")
-
-        data = data["texlive.tlpdb"]
-
-        for entry in data:
-            realname = entry["name"]
-
-            pkgname = realname
-            parts = pkgname.split(".")
-            if len(parts) > 1:
-                pkgname = "_".join(parts)
-
-            if self.in_config([common_config, config], "exclude", pkgname):
-                continue
-            
-            #todo: work on common data vars processing: external deps, filtering etc.
-            #at the moment just copy necessary code from elpa_db.py
-            allowed_ords = set(range(ord('a'), ord('z'))) | set(range(ord('A'), ord('Z'))) | \
-              set(range(ord('0'), ord('9'))) | set(list(map(ord,
-                    ['+', '_', '-', ' ', '.', '(', ')', '[', ']', '{', '}', ','])))
-
-            if "shortdesc" in entry:                
-                description = entry["shortdesc"]
-            else:
-                description = entry["name"]
-            description = "".join([x for x in description if ord(x) in allowed_ords])
-
-            if "longdesc" in entry:
-                longdescription = entry["longdesc"]
-                longdescription = "".join([x for x in longdescription if ord(x) in allowed_ords])
-            else:
-                longdescription = description
-
-            if "catalogue-version" in entry:
-                version = entry["catalogue-version"]
-                #todo better version checking and processing
-                match_object = re.match("(^[0-9]+[a-z]?$)|(^[0-9][0-9\.]+[0-9][a-z]?$)", version)
-                if not match_object:
-                    version = entry["revision"]
-            else:
-                version = entry["revision"]
-
-            if "catalogue-license" in entry:
-                license = self.convert([common_config, config], "licenses", entry["catalogue-license"])
-            else:
-                license = "unknown"
-
-            if "catalogue-ctan" in entry:
-                source_type = "zip"
-                base_src_uri = "ftp://tug.ctan.org/pub/tex-archive"
-                catalogue = entry["catalogue-ctan"]
-                homepage = "http://www.ctan.org/tex-archive" + catalogue
-                catalogue = catalogue[:-len(realname)]
-            else:
-                source_type = "tar.xz"
-                base_src_uri = "http://mirror.ctan.org/systems/texlive/tlnet/archive/"
-                catalogue = ""
-                homepage = "http://www.ctan.org/tex-archive/systems/texlive/tlnet"
-
-            dependencies = serializable_elist(separator="\n\t")
-
-            if "depend" in entry:
-                for dependency in entry["depend"]:
-                    if dependency[-ARCH_LENGTH:] == "ARCH":
-                        dependency = dependency[:-ARCH_LENGTH-1] + "_" + self.arch
-                    dependencies.append(Dependency(category, dependency))
-
-            ebuild_data = {"realname" : realname,
-                           "description" : description,
-                           "homepage" : homepage,
-                           "license" : license,
-                           "source_type" : source_type,
-                           "base_src_uri" : base_src_uri,
-                           "catalogue" : catalogue,
-                           "dependencies" : dependencies,
-                           "depend" : dependencies,
-                           "rdepend" : dependencies,
-            #eclass entry
-                           'eclasses' : ['gs-ctan'],
-            #metadata entries
-                           'maintainer' : [{'email' : 'piatlicki@gmail.com',
-                                            'name' : 'Jauhien Piatlicki'}],
-                           'longdescription' : longdescription
-                          }
-
-            pkg_db.add_package(Package(category, pkgname, version), ebuild_data)
diff --git a/gs_ctan/data/gs-ctan.eclass b/gs_ctan/data/gs-ctan.eclass
deleted file mode 100644
index b2124ed..0000000
--- a/gs_ctan/data/gs-ctan.eclass
+++ /dev/null
@@ -1,102 +0,0 @@
-# Copyright 1999-2013 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: $
-# automatically generated by gs-ctan
-# please do not edit this file
-#
-# TODO: write common base eclass for g-sorcery
-#
-# Original Author: Jauhien Piatlicki <piatlicki@gmail.com>
-# Purpose: support installation of latex packages
-# from overlays generated by gs-ctan
-#
-# Bugs to piatlicki@gmail.com
-#
-# @ECLASS: gs-ctan.eclass
-#
-# @ECLASS-VARIABLE: BASE_SRC_URI
-# @DESCRIPTION: address of a repository with packages
-#
-# @ECLASS-VARIABLE: CATALOGUE
-# @DESCRIPTION: directory on the server where package lives
-#
-# @ECLASS-VARIABLE: SOURCE_TYPE
-# @DESCRIPTION: type of a package (zip or tar.xz)
-#
-# @ECLASS-VARIABLE: DIGEST_SOURCES
-# @DESCRIPTION: whether manifest for sources exists
-#
-# @ECLASS-VARIABLE: REALNAME
-# @DESCRIPTION: real name of a package in the repository
-#
-# @ECLASS-VARIABLE: GSCTAN_STORE_DIR
-# @DESCRIPTION: store location for downloaded sources
-GSCTAN_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}"
-#
-# @ECLASS-VARIABLE: GSCTAN_FETCH_CMD
-# @DESCRIPTION: fetch command
-GSCTAN_FETCH_CMD="wget"
-
-inherit latex-package
-
-if [[ ${SOURCE_TYPE} = "zip" ]]; then
-	EXPORT_FUNCTIONS src_{unpack,compile,install}
-else
-	EXPORT_FUNCTIONS src_{unpack,install}
-fi
-
-SUFFIX="${SOURCE_TYPE}"
-SOURCEFILE=${REALNAME}.${SUFFIX}
-
-gs-ctan_fetch() {
-	addwrite "${GSCTAN_STORE_DIR}"
-	pushd "${GSCTAN_STORE_DIR}" >/dev/null || die "can't chdir to ${GSCTAN_STORE_DIR}"
-	if [[ ! -f "${SOURCEFILE}" ]]; then
-		$GSCTAN_FETCH_CMD ${BASE_SRC_URI}${CATALOGUE}${SOURCEFILE} || die
-	fi
-	popd >/dev/null || die
-}
-
-gs-ctan_src_unpack() {
-	if [[ ${SOURCE_TYPE} = "zip" ]]; then
-		if [[ x${DIGEST_SOURCES} = x ]]; then
-			gs-ctan_fetch
-		fi
-		cp ${GSCTAN_STORE_DIR}/${SOURCEFILE} . || die
-		unzip ${SOURCEFILE} || die
-		mv ${PN} ${P} || die
-	else
-		if [[ x${DIGEST_SOURCES} = x ]]; then
-			gs-ctan_fetch
-		fi
-		mkdir ${S} || die
-		cd ${S} || die
-		tar xvf ${GSCTAN_STORE_DIR}/${SOURCEFILE} || die
-		rm -rf tlpkg || die
-	fi
-}
-
-gs-ctan_src_compile() {
-	cd ${S} || die
-	latex-package_src_compile
-	for d in `ls -d -- */`; do
-		pushd ${d} || die
-		latex-package_src_compile
-		popd || die
-	done
-}
-
-gs-ctan_src_install() {
-	if [[ ${SOURCE_TYPE} = "zip" ]]; then
-		cd ${S} || die
-		latex-package_src_install
-		for d in `ls -d -- */`; do
-			pushd ${d} || die
-			latex-package_src_install
-			popd || die
-		done
-	else
-		insinto ${TEXMF}
-		doins -r *
-	fi
-}
diff --git a/gs_ctan/ebuild.py b/gs_ctan/ebuild.py
deleted file mode 100644
index 2ba154b..0000000
--- a/gs_ctan/ebuild.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-    ebuild.py
-    ~~~~~~~~~
-    
-    ebuild generation
-    
-    :copyright: (c) 2013 by Jauhien Piatlicki
-    :license: GPL-2, see LICENSE for more details.
-"""
-
-import collections
-
-from g_sorcery.ebuild import DefaultEbuildGenerator
-
-Layout = collections.namedtuple("Layout",
-    ["vars_before_inherit", "inherit", "vars_after_description", "vars_after_keywords"])
-  
-
-class CtanEbuildWithoutDigestGenerator(DefaultEbuildGenerator):
-    """
-    Implementation of ebuild generator without sources digesting.
-    """
-    def __init__(self, package_db):
-
-        vars_before_inherit = \
-          ["base_src_uri", "catalogue", "source_type", "realname"]
-
-        inherit = ["gs-ctan"]
-        
-        vars_after_description = \
-          ["homepage", {"name" : "src_uri", "value" : ""}, "license"]
-
-        vars_after_keywords = \
-          ["depend", "rdepend"]
-
-        layout = Layout(vars_before_inherit, inherit, vars_after_description, vars_after_keywords)
-
-        super(CtanEbuildWithoutDigestGenerator, self).__init__(package_db, layout)
-
-class CtanEbuildWithDigestGenerator(DefaultEbuildGenerator):
-    """
-    Implementation of ebuild generator with sources digesting.
-    """
-    def __init__(self, package_db):
-
-        vars_before_inherit = \
-          ["base_src_uri", "catalogue", "source_type", "realname", {"name" : "digest_sources", "value" : "yes"}]
-
-        inherit = ["gs-ctan"]
-        
-        vars_after_description = \
-          ["homepage", {"name" : "src_uri", "value" : "${BASE_SRC_URI}${CATALOGUE}${REALNAME}.${SOURCE_TYPE} -> ${P}.${SOURCE_TYPE}"}, "license"]
-
-        vars_after_keywords = \
-          ["depend", "rdepend"]
-
-        layout = Layout(vars_before_inherit, inherit, vars_after_description, vars_after_keywords)
-
-        super(CtanEbuildWithDigestGenerator, self).__init__(package_db, layout)
diff --git a/setup.py b/setup.py
index 9a1291a..80e8421 100644
--- a/setup.py
+++ b/setup.py
@@ -7,16 +7,13 @@ setup(name          = 'g-sorcery',
       description   = 'g-sorcery framework for automated ebuild generators',
       author        = 'Jauhien Piatlicki',
       author_email  = 'jauhien@gentoo.org',
-      packages      = ['g_sorcery', 'gs_db_tool', 'gs_ctan', 'gs_pypi'],
+      packages      = ['g_sorcery', 'gs_db_tool', 'gs_pypi'],
       package_data  = {'g_sorcery': ['data/*'],
-                       'gs_pypi': ['data/*'],
-                       'gs_ctan': ['data/*']},
+                       'gs_pypi': ['data/*']},
       scripts       = ['bin/g-sorcery', 'bin/gs-db-tool',
-                       'bin/gs-ctan', 'bin/gs-pypi-generate-db', 'bin/gs-pypi'],
-      data_files    = [('/etc/g-sorcery/', ['gs-ctan.json']),
-                       ('/etc/g-sorcery/', ['gs-pypi.json']),
+                       'bin/gs-pypi-generate-db', 'bin/gs-pypi'],
+      data_files    = [('/etc/g-sorcery/', ['gs-pypi.json']),
                        ('/etc/g-sorcery/', ['g-sorcery.cfg']),
-                       ('/etc/layman/overlays/', ['gs-ctan-overlays.xml']),
                        ('/etc/layman/overlays/', ['gs-pypi-overlays.xml'])],
       license       = 'GPL',
       )