Merge pull request #46 from tomberek/bundler

Appimage bundler

appdir.nix

@@ -42,7 +42,7 @@ in
       cd $out/${name}.AppDir
 
       mkdir -p nix/store
-      cp -r $storePaths nix/store
+      cp -Lr $storePaths nix/store
 
       ln -s .${target} usr
 
@@ -63,12 +63,12 @@ in
 
       # icons
       if [ -d ${target}/share/icons ]; then
-        icon=$(find ${target}/share/icons -name "${name}.png" | head -n1)
+        icon=$(find ${target}/share/icons -name "${name}*.png" | head -n1)
         if ! [ -z "$icon" ]; then
           ln -s .$icon
           ln -s .$icon .DirIcon
         else
-          icon=$(find ${target}/share/icons -name "${name}.svg" | head -n1)
+          icon=$(find ${target}/share/icons -name "${name}*.svg" | head -n1)
           if ! [ -z "$icon" ]; then
             ln -s .$icon
             ln -s .$icon .DirIcon

appimage-bundle.nix

@@ -0,0 +1,57 @@
+# use like this:
+# nix-build appimage-bundle.nix --argstr package hello --argstr exec hello
+
+{nixpkgs ? import <nixpkgs>{}, 
+package,
+exec,
+... }:
+let
+  appimage_src = drv : exec : with nixpkgs;
+    self.stdenv.mkDerivation rec {
+      name = drv.name + "-appdir";
+      env = buildEnv {
+        inherit name;
+        paths = buildInputs;
+      };
+      src = env;
+      inherit exec;
+      buildInputs = [ drv nixpkgs.coreutils nixpkgs.gnutar nixpkgs.xz ];
+      usr_fonts = buildEnv {
+        name = "fonts";
+        paths = [noto-fonts];
+      };
+      buildCommand = ''
+        source $stdenv/setup
+        mkdir -p $out/bin
+        cp -rL ${env}/* $out/
+        chmod +w -R $out/
+
+        mkdir -p $out/share/fonts
+        cp ${usr_fonts}/share/fonts/* $out/share/fonts -R
+
+        mkdir -p $out/share/icons
+        mkdir -p $out/share/icons/hicolor/256x256/apps
+        touch $out/share/icons/hicolor/256x256/apps/${drv.name}.png
+        touch $out/share/icons/${drv.name}.png
+
+        mkdir -p $out/share/applications
+        cat <<EOF > $out/share/applications/${drv.name}.desktop
+        [Desktop Entry]
+        Type=Application
+        Version=1.0
+        Name=${drv.name}
+        Path=${env}
+        Icon=${drv.name}
+        Exec=$exec
+        Terminal=true
+        EOF
+        '';
+        system = builtins.currentSystem;
+  };
+
+in
+  with (import (./appimage-top.nix){nixpkgs' = nixpkgs.path;});
+    (appimage (appdir {
+      name = package;
+      target = appimage_src nixpkgs."${package}" "${exec}";
+    })).overrideAttrs (old: {name = package;})