Update appimagetool-ing to something which can theoretically be used on other architectures

default.nix

@@ -65,17 +65,28 @@
     name = "cryptic-net-AppImage";
     src = appDir;
 
-    nativeBuildInputs = [ appimagetool ];
+    nativeBuildInputs = [
+      appimagetool
+      pkgs.file
+      pkgs.fuse
+    ];
 
     ARCH = "x86_64";
 
     builder = builtins.toFile "build.sh" ''
       source $stdenv/setup
-      cp -rL "$src" cryptic-net
-      chmod +w cryptic-net -R
+      cp -rL "$src" cryptic-net.AppDir
+      chmod +w cryptic-net.AppDir -R
 
-      mkdir -p "$out/bin"
-      appimagetool cryptic-net "$out/bin/cryptic-net"
+      export VERSION=debug
+
+      # https://github.com/probonopd/go-appimage/issues/155
+      unset SOURCE_DATE_EPOCH
+      appimagetool ./cryptic-net.AppDir
+
+      mkdir -p "$out"/bin
+      chmod +w "$out" -R
+      mv Cryptic_Net-* "$out"/bin/cryptic-net
     '';
   };
 

nix/appimagetool.nix

@@ -1,17 +1,58 @@
-{
+# Modified from https://github.com/matthewbauer/nix-bundle/blob/e9fa7e8a118942adafa8592a28b301ee23d37c13/appimagetool.nix
+{ stdenv, lib, fetchurl, fuse, zlib, file, glib, }:
 
-  fetchFromGitHub,
-  callPackage,
+# This is from some binaries.
 
-}: let
+# Ideally, this should be source based,
+# but I can't get it to build from GitHub
 
-  src = fetchFromGitHub {
-    owner = "matthewbauer";
-    repo = "nix-bundle";
-    rev = "223f4ffc4179aa318c34dc873a08cb00090db829";
-    sha256 = "0pqpx9vnjk9h24h9qlv4la76lh5ykljch6g487b26r1r2s9zg7kh";
+let
+
+  inherit (stdenv.cc.bintools) dynamicLinker;
+
+  version = "745";
+
+  cpuArch = stdenv.buildPlatform.parsed.cpu.arch;
+
+  src = {
+
+    "x86-64" = fetchurl {
+      url = "https://github.com/probonopd/go-appimage/releases/download/continuous/appimagetool-${version}-x86_64.AppImage";
+      sha256 = "sha256-HQ7d9LQDaPm6sGZ5boWZdmGTNqiGN9NWHUWPiDhl2Xc=";
     };
 
-in
+    # TODO other archs
 
-    callPackage "${src}/appimagetool.nix" {}
+  }."${cpuArch}";
+
+in stdenv.mkDerivation rec {
+  inherit version src;
+
+  pname = "go-appimage";
+
+  sourceRoot = "squashfs-root";
+
+  unpackPhase = ''
+    cp $src appimagetool
+    chmod u+wx appimagetool
+    #patchelf --set-interpreter ${dynamicLinker} \
+    #         --set-rpath ${fuse}/lib:${zlib}/lib \
+    #         appimagetool
+    ./appimagetool --appimage-extract
+  '';
+
+  installPhase = ''
+    mkdir -p $out
+
+    cp -r usr/* $out
+    for x in $out/bin/*; do
+      patchelf \
+        --set-interpreter ${dynamicLinker} \
+        --set-rpath ${lib.makeLibraryPath [ zlib stdenv.glibc.out fuse glib ]} \
+        $x || true
+    done
+  '';
+
+  dontStrip = true;
+  dontPatchELF = true;
+}