working flake

.gitignore

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+result

LICENSE

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+MIT License
+
+Copyright (c) 2025 Emil Lerch
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+Nix flake for Chawan web browser
+================================
+
+Uses [Chawan app image](https://git.lerch.org/chawan-appimage)
+
+I do not believe this flake will work on NixOS proper. Appimages use a wrapper
+there that do not work outside of NixOS.

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1736344531,
+        "narHash": "sha256-8YVQ9ZbSfuUk2bUf2KRj60NRraLPKPS0Q4QFTbc+c2c=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bffc22eb12172e6db3c5dde9e3e5628f8e3e7912",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Chawan AppImage";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }: {
+    packages.x86_64-linux.default = 
+    let
+      pkgs = import nixpkgs { system = "x86_64-linux"; };
+      shorthash = "80e4a90"; # This is the shorthash of the appimage builder repo
+      upstreamShorthash = "d9ddc31"; # This is the shorthash of the Chawan repo itself
+      appimagename = "Chawan-x86_64-${upstreamShorthash}.AppImage";
+      exename = "cha";
+    in
+    pkgs.stdenv.mkDerivation {
+      pname = "cha";
+      version = "0.1+${upstreamShorthash}";
+
+      src = pkgs.fetchurl {
+        url = "https://git.lerch.org/api/packages/lobo/generic/chawan-appimage/${shorthash}/${appimagename}";
+        hash = "sha256-Egh7SX3nMBXprHNiXwP4sU2sHyp4xOZOizj2DJZQP9I=";
+      };
+
+      nativeBuildInputs = [ pkgs.makeWrapper ];
+
+      buildInputs = [
+        pkgs.appimage-run
+      ];
+
+      dontUnpack = true;
+
+      installPhase = ''
+        mkdir -p $out/bin $out/share/applications
+
+        cp $src $out/share/${appimagename}
+        chmod +x $out/share/${appimagename}
+
+        # Create desktop entry
+        cat > $out/share/applications/Chawan.desktop <<EOF
+        [Desktop Entry]
+        Name=Chawan
+        Exec=$out/bin/${exename}
+        Type=Application
+        Categories=Utility;
+        Terminal=true;
+        EOF
+
+        ln -s "$out/share/${appimagename}" "$out/bin/${exename}"
+        # makeWrapper ${pkgs.appimage-run}/bin/appimage-run "$out/bin/${exename}" \
+        #   --add-flags "$out/share/${appimagename}"
+      '';
+    };
+  };
+}

result

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+/nix/store/2ndmr8wg90mbdpb2rq08sihvldsrbzkr-cha-0.1+d9ddc31