Add an automated updater script and definitions for its use for WebKit

svn path=/nixpkgs/trunk/; revision=16816

3 files changed, 17 insertions, 3 deletions

diff --git a/pkgs/development/libraries/webkit/default.nix b/pkgs/development/libraries/webkit/default.nix
index 87c35dfd359c..67af5d3065d7 100644
--- a/pkgs/development/libraries/webkit/default.nix
+++ b/pkgs/development/libraries/webkit/default.nix
@@ -1,9 +1,12 @@
 args : with args; 
-let version = lib.attrByPath ["version"] "r46809" args; in
+let 
+  s = import ./src-for-default.nix;
+  version = lib.attrByPath ["version"] s.version args;
+in
 rec {
   src = fetchurl {
-    url = "http://nightly.webkit.org/files/trunk/src/WebKit-${version}.tar.bz2";
-    sha256 = "12isv3rjvjfn45mgp42nsv812cmfcfrpgbgzqgf88qyldcmq0qs5";
+    url = s.url;
+    sha256 = s.hash;
   };
 
   buildInputs = [gtk atk cairo curl fontconfig freetype
diff --git a/pkgs/development/libraries/webkit/src-for-default.nix b/pkgs/development/libraries/webkit/src-for-default.nix
new file mode 100644
index 000000000000..3e1c2fb472ff
--- /dev/null
+++ b/pkgs/development/libraries/webkit/src-for-default.nix
@@ -0,0 +1,6 @@
+rec {
+  advertisedUrl="http://builds.nightly.webkit.org/files/trunk/src/WebKit-r47686.tar.bz2";
+  version = "r47686";
+  url="http://builds.nightly.webkit.org/files/trunk/src/WebKit-${version}.tar.bz2";
+  hash = "1h1frvvp8hfv3q2drjnrpgadgin55p7nv8747kxxhdkj4gv9dzqg";
+}
diff --git a/pkgs/development/libraries/webkit/src-info-for-default.nix b/pkgs/development/libraries/webkit/src-info-for-default.nix
new file mode 100644
index 000000000000..be2a68b58e25
--- /dev/null
+++ b/pkgs/development/libraries/webkit/src-info-for-default.nix
@@ -0,0 +1,5 @@
+{
+  downloadPage = "http://nightly.webkit.org/";
+  versionExtractorSedScript = "s/.*-(r[0-9]+)[.].*/\\1/";
+  versionReferenceCreator = "s/-(r[0-9.]+)[.]/-\${version}./";
+}