From 724a69f5c4b6a927d8efce1bf06c0cc50b23dda0 Mon Sep 17 00:00:00 2001
From: Maximilian Bosch <maximilian@mbosch.me>
Date: Thu, 31 Aug 2017 11:50:58 +0200
Subject: [PATCH] weechat-matrix-bridge: init at 2017-03-28

---
 .../weechat-matrix-bridge/default.nix         | 44 +++++++++++++++++++
 .../weechat-matrix-bridge/library-path.patch  | 28 ++++++++++++
 pkgs/top-level/all-packages.nix               |  4 ++
 3 files changed, 76 insertions(+)
 create mode 100644 pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/default.nix
 create mode 100644 pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/library-path.patch

diff --git a/pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/default.nix b/pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/default.nix
new file mode 100644
index 00000000000..f1338bc0df3
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/default.nix
@@ -0,0 +1,44 @@
+{ stdenv, curl, fetchFromGitHub, cjson, olm, luaffi }:
+
+stdenv.mkDerivation {
+  name = "weechat-matrix-bridge-2017-03-28";
+  src = fetchFromGitHub {
+    owner = "torhve";
+    repo = "weechat-matrix-protocol-script";
+    rev = "0052e7275ae149dc5241226391c9b1889ecc3c6b";
+    sha256 = "14x58jd44g08sfnp1gx74gq2na527v5jjpsvv1xx4b8mixwy20hi";
+  };
+
+  patches = [
+    ./library-path.patch
+  ];
+
+  buildInputs = [ curl cjson olm luaffi ];
+
+  postPatch = ''
+    substituteInPlace matrix.lua \
+      --replace "/usr/bin/curl" "${curl}/bin/curl" \
+      --replace "__NIX_LIB_PATH__" "$out/lib/?.so" \
+      --replace "__NIX_OLM_PATH__" "$out/share/?.lua"
+
+    substituteInPlace olm.lua \
+      --replace "__NIX_LIB_PATH__" "$out/lib/?.so"
+  '';
+
+  installPhase = ''
+    mkdir -p $out/{share,lib}
+
+    cp {matrix.lua,olm.lua} $out/share
+    cp ${cjson}/lib/lua/5.2/cjson.so $out/lib/cjson.so
+    cp ${olm}/lib/libolm.so $out/lib/libolm.so
+    cp ${luaffi}/lib/ffi.so $out/lib/ffi.so
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A WeeChat script in Lua that implements the matrix.org chat protocol";
+    homepage = https://github.com/torhve/weechat-matrix-protocol-script;
+    maintainers = with maintainers; [ ma27 ];
+    license = licenses.mit; # see https://github.com/torhve/weechat-matrix-protocol-script/blob/0052e7275ae149dc5241226391c9b1889ecc3c6b/matrix.lua#L53
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/library-path.patch b/pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/library-path.patch
new file mode 100644
index 00000000000..d9945c2993b
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/weechat-matrix-bridge/library-path.patch
@@ -0,0 +1,28 @@
+diff --git a/matrix.lua b/matrix.lua
+index b79f500..32b37a2 100644
+--- a/matrix.lua
++++ b/matrix.lua
+@@ -43,6 +43,9 @@ This script maps this as follows:
+ 
+ ]]
+ 
++package.cpath = package.cpath .. ";__NIX_LIB_PATH__"
++package.path = package.path .. ";__NIX_OLM_PATH__"
++
+ local json = require 'cjson' -- apt-get install lua-cjson
+ local olmstatus, olm = pcall(require, 'olm') -- LuaJIT olm FFI binding ln -s ~/olm/olm.lua /usr/local/share/lua/5.1
+ local w = weechat
+diff --git a/olm.lua b/olm.lua
+index 114649c..4828371 100644
+--- a/olm.lua
++++ b/olm.lua
+@@ -17,6 +17,9 @@
+  * limitations under the License.
+  */
+ --]]
++
++package.cpath = package.cpath .. ";__NIX_LIB_PATH__"
++
+ local ffi = require'ffi'
+ 
+ ffi.cdef[[
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b97715eb706..8e9c1ab9f8b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16696,6 +16696,10 @@ with pkgs;
     guile = guile_2_0;
   };
 
+  weechat-matrix-bridge = callPackage ../applications/networking/instant-messengers/weechat-matrix-bridge {
+    inherit (luaPackages) cjson;
+  };
+
   westonLite = callPackage ../applications/window-managers/weston {
     pango = null;
     freerdp = null;