[PATCH 4/8] gnu: Add zathura.

[Paul van der Walt]

* gnu/packages/pdf.scm (zathura): New variable.
* gnu-system.am: Add zathura-plugindir-environment-variable.patch
* gnu/packages/patches/zathura-plugindir-environment-variable.patch: Add patch
  for zathura environment variable.
---
 gnu-system.am                                      |  4 +-
 .../zathura-plugindir-environment-variable.patch   | 44 ++++++++++++++++++++
 gnu/packages/pdf.scm                               | 47 ++++++++++++++++++++++
 3 files changed, 93 insertions(+), 2 deletions(-)
 create mode 100644 
gnu/packages/patches/zathura-plugindir-environment-variable.patch

diff --git a/gnu-system.am b/gnu-system.am
index e42e89a..5dda73a 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -550,8 +550,8 @@ dist_patch_DATA =                                           
\
   gnu/packages/patches/xf86-video-trident-remove-mibstore.patch        \
   gnu/packages/patches/xf86-video-vmware-glibc-2.20.patch      \
   gnu/packages/patches/xfce4-panel-plugins.patch               \
-  gnu/packages/patches/xmodmap-asprintf.patch
-
+  gnu/packages/patches/xmodmap-asprintf.patch                   \
+  gnu/packages/patches/zathura-plugindir-environment-variable.patch
 MISC_DISTRO_FILES = gnu/packages/javac.in
 
 bootstrapdir = $(guilemoduledir)/gnu/packages/bootstrap
diff --git a/gnu/packages/patches/zathura-plugindir-environment-variable.patch 
b/gnu/packages/patches/zathura-plugindir-environment-variable.patch
new file mode 100644
index 0000000..4c7d116
--- /dev/null
+++ b/gnu/packages/patches/zathura-plugindir-environment-variable.patch
@@ -0,0 +1,44 @@
+From f41ea6573185ec326870004e579354e5dd829672 Mon Sep 17 00:00:00 2001
+From: Paul van der Walt <address@hidden>
+Date: Sun, 1 Mar 2015 22:57:43 +0100
+Subject: [PATCH] Search for Zathura plugins (for reading different file
+ formats) in the environment variable ZATHURA_PLUGIN_DIR. Command line option
+ -p still takes precedence.
+
+Patch by Paul van der Walt <address@hidden>.
+---
+ zathura/zathura.c | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+diff --git a/zathura/zathura.c b/zathura/zathura.c
+index 589dd28..d3c9887 100644
+--- a/zathura/zathura.c
++++ b/zathura/zathura.c
+@@ -413,12 +413,24 @@ zathura_set_plugin_dir(zathura_t* zathura, const char* 
dir)
+   g_return_if_fail(zathura != NULL);
+   g_return_if_fail(zathura->plugins.manager != NULL);
+ 
++  // Get the new environment variable, if any.
++  const gchar* envvar_plugin_dir = g_getenv("ZATHURA_PLUGIN_DIR");
++
+   if (dir != NULL) {
++    // This bit sets the plugin dir from command-line.
+     girara_list_t* paths = girara_split_path_array(dir);
+     GIRARA_LIST_FOREACH(paths, char*, iter, path)
+     zathura_plugin_manager_add_dir(zathura->plugins.manager, path);
+     GIRARA_LIST_FOREACH_END(paths, char*, iter, path);
+     girara_list_free(paths);
++  } else if (envvar_plugin_dir != NULL) {
++    // Set plugins dir to the contents of environment variable
++    // ZATHURA_PLUGIN_DIR.
++    girara_list_t* paths = girara_split_path_array(envvar_plugin_dir);
++    GIRARA_LIST_FOREACH(paths, char*, iter, path)
++    zathura_plugin_manager_add_dir(zathura->plugins.manager, path);
++    GIRARA_LIST_FOREACH_END(paths, char*, iter, path);
++    girara_list_free(paths);
+   } else {
+ #ifdef ZATHURA_PLUGINDIR
+     girara_list_t* paths = girara_split_path_array(ZATHURA_PLUGINDIR);
+-- 
+2.3.1
+
diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 5e24a43..1c5c193 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -29,6 +29,9 @@
   #:use-module (gnu packages compression)
   #:use-module (gnu packages fontutils)
   #:use-module (gnu packages ghostscript)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages backup)
   #:use-module (gnu packages lesstif)
   #:use-module (gnu packages image)
   #:use-module (gnu packages pkg-config)
@@ -146,6 +149,50 @@
 
 
 
+
+(define-public zathura
+  (package
+    (name "zathura")
+    (version "0.3.2")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append 
"https://pwmt.org/projects/zathura/download/zathura-";
+                              version ".tar.gz"))
+              (sha256
+               (base32
+                "1qk5s7cyqp4l673yhma5igk9g24p5jyqyy81fdk7q7xjqlym19px"))
+              (patches
+               (list
+                (search-patch 
"zathura-plugindir-environment-variable.patch")))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("gettext" ,gnu-gettext)))
+    (native-search-paths
+     (list (search-path-specification
+            (variable "ZATHURA_PLUGIN_DIR")
+            (files '("lib/zathura")))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags
+       `(,(string-append "PREFIX=" (assoc-ref %outputs "out"))
+         "CC=gcc" "COLOR=0")
+       #:tests? #f ; Tests fail: "Gtk cannot open display".
+       #:test-target "test"
+       #:phases
+       (alist-delete
+        'configure
+        %standard-phases)))
+    (home-page "https://pwmt.org/projects/zathura/";)
+    (synopsis "Lightweight keyboard-driven PDF viewer")
+    (description "zathura is a highly customizable and functional document
+viewer.  It provides a minimalistic and space saving interface as well as an
+easy usage that mainly focuses on keyboard interaction.")
+    (inputs `(("girara" ,girara)
+              ("sqlite" ,sqlite)
+              ("gtk+" ,gtk+)))
+    (license license:zlib)))
+
 (define-public djvulibre
   (package
     (name "djvulibre")
-- 
2.3.1