Add Logseq AppImage package, keep it disabled

Introduce a new Nix expression for Logseq AppImage and comment out its
enable flag and package entries so it is not enabled by default.

hosts/Garand-Desktop/system-modules.nix

@@ -88,7 +88,7 @@ _: {
     */
     bitwarden.enable = false; # Bitwarden: password manager (desktop)
     iotas.enable = true; # Iotas: lightweight notes manager
-    logseq.enable = false; # Logseq: knowledge base and outliner
+    # appImages.logseq.enable = false; # Logseq: knowledge base and outliner
 
     /*
     Media & Graphics

hosts/Garand-Laptop/system-modules.nix

@@ -88,7 +88,7 @@ _: {
     */
     bitwarden.enable = false; # Bitwarden: password manager (desktop)
     iotas.enable = true; # Iotas: lightweight notes manager
-    logseq.enable = false; # Logseq: knowledge base and outliner
+    # appImages.logseq.enable = false; # Logseq: knowledge base and outliner
 
     /*
     Media & Graphics

hosts/default/system-modules.nix

@@ -88,7 +88,7 @@ _: {
     */
     bitwarden.enable = false; # Bitwarden: password manager (desktop)
     iotas.enable = false; # Iotas: lightweight notes manager
-    logseq.enable = false; # Logseq: knowledge base and outliner
+    # appImages.logseq.enable = false; # Logseq: knowledge base and outliner
 
     /*
     Media & Graphics

modules/core/packages/appimages/default.nix

@@ -14,6 +14,7 @@
   appImagePackages = {
     fluxer = pkgs.callPackage ./fluxer.nix {};
     helium = pkgs.callPackage ./helium.nix {};
+    # logseq = pkgs.callPackage ./logseq.nix {};
     losslesscut = pkgs.callPackage ./losslesscut.nix {};
   };
 in {

modules/core/packages/appimages/logseq.nix

@@ -0,0 +1,40 @@
+{
+  lib,
+  appimageTools,
+  fetchurl,
+}: let
+  pname = "logseq";
+  version = "0.10.15";
+  hash = "sha256-i5EQUvSW1ix+8NT8nCs6mGH2B9xF7G4mB7vBhDJ7JdE=";
+
+  src = fetchurl {
+    url = "https://github.com/logseq/logseq/releases/download/${version}/Logseq-linux-x64-${version}.AppImage";
+    sha256 = hash;
+  };
+  appimageContents = appimageTools.extract {inherit pname version src;};
+
+  iconSize = "512x512";
+in
+  appimageTools.wrapType2 {
+    inherit pname version src;
+
+    extraInstallCommands = ''
+      # mv $out/bin/${pname}-${version} $out/bin/${pname}
+      install -m 444 -D ${appimageContents}/${pname}.desktop $out/share/applications/${pname}.desktop
+      install -m 444 -D ${appimageContents}/usr/share/icons/hicolor/${iconSize}/apps/${pname}.png \
+        $out/share/icons/hicolor/${iconSize}/apps/${pname}.png
+      substituteInPlace $out/share/applications/${pname}.desktop \
+        --replace-fail 'Exec=AppRun' 'Exec=${pname}'
+    '';
+
+    meta = with lib; {
+      description = "Logseq";
+      homepage = "https://github.com/logseq/logseq";
+      license = licenses.gpl3;
+      platforms = ["x86_64-linux"];
+      sourceProvenance = with lib.sourceTypes; [binaryNativeCode];
+      maintainers = with lib.maintainers; [garand_plg];
+    };
+  }
+# https://github.com/logseq/logseq/releases/download/0.10.15/Logseq-linux-x64-0.10.15.AppImage
+

modules/core/packages/packages.nix

@@ -19,7 +19,7 @@
     gnomeCalculator = gnome-calculator;
     gedit = gedit;
     iotas = iotas;
-    logseq = logseq;
+    # logseq = logseq;
     mattermost = mattermost-desktop;
     slack = slack;
     tutanota = tutanota-desktop;