gnu: Add tinyproxy.

* gnu/packages/web.scm (tinyproxy): New variable.
* gnu/packages/docbook.scm: Remove #:select (tar)

gnu/packages/docbook.scm

@@ -19,8 +19,7 @@
 (define-module (gnu packages docbook)
   #:use-module (gnu packages)
   #:use-module (gnu packages compression)
-  #:use-module ((gnu packages base)
-                #:select (tar))
+  #:use-module (gnu packages base)
   #:use-module (guix licenses)
   #:use-module (guix packages)
   #:use-module (guix download)

gnu/packages/web.scm

@@ -27,10 +27,13 @@ (define-module (gnu packages web)
   #:use-module (guix build-system perl)
   #:use-module (guix build-system gnu)
   #:use-module (gnu packages apr)
+  #:use-module (gnu packages asciidoc)
+  #:use-module (gnu packages docbook)
   #:use-module (gnu packages autotools)
   #:use-module ((gnu packages compression) #:select (zlib))
   #:use-module (gnu packages openssl)
   #:use-module (gnu packages pcre)
+  #:use-module (gnu packages xml)
   #:use-module (gnu packages perl))
 
 (define-public httpd
@@ -469,3 +472,60 @@ (define-public perl-libwww
 contain modules that are of more general use and even classes that
 help you implement simple HTTP servers.")
     (home-page "http://search.cpan.org/~gaas/libwww-perl/")))
+
+(define-public tinyproxy
+  (package
+    (name "tinyproxy")
+    (version "1.8.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://www.samba.org/~obnox/" name "/download/" name "-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "0vl9igw7vm924rs6d6bkib7zfclxnlf9s8rmml1sfwj7xda9nmdy"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:configure-flags
+       (list
+        ;; For the log file, etc.
+        "--localstatedir=/var")
+       #:phases
+       (alist-cons-before
+        'build 'pre-build
+        (lambda* (#:key inputs #:allow-other-keys #:rest args)
+          ;; This stuff is needed, because without it, xmlint etc tries
+          ;; to download docbookx.dtd and docbook.xsl from the net
+          (let ((build (assoc-ref %standard-phases 'build))
+                (docbook-xml (assoc-ref inputs "docbook-xml"))
+                (docbook-xsl (assoc-ref inputs "docbook-xsl"))
+                (our-catalog "/tmp/docbook-xml.xml"))
+            (setenv "XML_CATALOG_FILES" our-catalog)
+            (with-output-to-file our-catalog
+              (lambda ()
+                (display (string-append
+                          "<?xml version=\"1.0\"?>
+<!DOCTYPE catalog PUBLIC \"-//OASIS//DTD XML Catalogs V1.0//EN\"
+\"file:///usr/share/xml/schema/xml-core/catalog.dtd\">
+<catalog xmlns=\"urn:oasis:names:tc:entity:xmlns:xml:catalog\">
+<system systemId=\"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd\"
+uri=\"file://" docbook-xml  "/xml/dtd/docbook/docbookx.dtd\"/>
+<system systemId=\"http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl\"
+uri=\"file://" docbook-xsl  "/xml/xsl/docbook-xsl-1.72.0/manpages/docbook.xsl\"/>
+</catalog>\n"))))))
+        %standard-phases)))
+    ;; All of the below are used to generate the documentation
+    ;; (Should they be propagated inputs of asciidoc ??)
+    (native-inputs `(("asciidoc" ,asciidoc)
+                     ("libxml2" ,libxml2) 
+                     ("docbook-xml" ,docbook-xml)
+                     ("docbook-xsl" ,docbook-xsl)
+                     ("libxslt" ,libxslt)))
+    (home-page "https://banu.com/tinyproxy/")
+    (synopsis "Light-weight HTTP/HTTPS proxy daemon")
+    (description "Tinyproxy is a light-weight HTTP/HTTPS proxy
+daemon. Designed from the ground up to be fast and yet small, it is an ideal
+solution for use cases such as embedded deployments where a full featured HTTP
+proxy is required, but the system resources for a larger proxy are
+unavailable.") 
+    (license l:gpl2+)))