Add cryptpad to ressourcerie banon

[perso/Immae/Config/Nix.git] / pkgs / cryptpad / default.nix

diff --git a/pkgs/cryptpad/default.nix b/pkgs/cryptpad/default.nix
new file mode 100644 (file)
index 0000000..1e8c756
--- /dev/null
+++ b/pkgs/cryptpad/default.nix
@@ -0,0 +1,70 @@
+# taken from nixpkgs to upgrade to latest version
+{ stdenv
+, pkgs
+, lib
+, buildBowerComponents
+, fetchurl
+, nodejs
+}:
+
+let
+  nodePackages = import ./node-packages.nix {
+    inherit pkgs nodejs;
+    inherit (stdenv.hostPlatform) system;
+  };
+
+  bowerPackages = buildBowerComponents {
+    name = "${cryptpad.name}-bower-packages";
+    # this list had to be tweaked by hand:
+    # * add the second jquery ~2.1.0 entry
+    # * add the second bootstrap ~3.1.1 entry
+    generated = ./bower-packages.nix;
+    src = cryptpad.src;
+  };
+
+  # find an element in an attribute set
+  findValue = pred: default: set:
+    let
+      list =
+        lib.concatMap
+        (name:
+          let v = set.${name}; in
+          if pred name v then [v] else []
+        )
+        (lib.attrNames set)
+        ;
+    in
+      if list == [] then default
+      else lib.head list
+      ;
+
+  # The cryptpad package attribute key changes for each release. Get it out
+  # programatically instead.
+  cryptpad = findValue
+    (k: v: v.packageName == "cryptpad")
+    (throw "cryptpad not found")
+    nodePackages
+    ;
+
+  combined = cryptpad.override {
+    postInstall = ''
+      out_cryptpad=$out/lib/node_modules/cryptpad
+
+      substituteInPlace $out_cryptpad/lib/workers/index.js --replace "lib/workers/db-worker" "$out_cryptpad/lib/workers/db-worker"
+
+      # add the bower components
+      ln -sv \
+        ${bowerPackages}/bower_components \
+        $out_cryptpad/www/bower_components
+
+      # add executable
+      mkdir $out/bin
+      cat <<EOF > $out/bin/cryptpad
+      #!${stdenv.shell}
+      exec ${nodejs}/bin/node $out_cryptpad/server.js
+      EOF
+      chmod +x $out/bin/cryptpad
+    '';
+  };
+in
+  combined