initial commit

without warranty of any kind, express or impliend

1 files changed, 58 insertions, 0 deletions

diff --git a/openwrt/packages.nix b/openwrt/packages.nix
new file mode 100644
index 0000000..bf7b3a7
--- /dev/null
+++ b/openwrt/packages.nix
@@ -0,0 +1,58 @@
+{ pkgs, lib, config, ... }:
+
+let
+  deps = config.build.depsPackage;
+in
+
+{
+  options.packages = lib.mkOption {
+    type = lib.types.listOf lib.types.str;
+    default = [];
+    description = ''
+      Extra packages to install. These are merely names of packages available
+      to opkg through the package source lists configured on the device, it is
+      not currently possible to provide packages for installation without
+      configuring an opkg source first.
+    '';
+  };
+
+  config = {
+    deploySteps.packages = {
+      priority = 9999;
+      copy = ''
+        scp ${deps} device:/tmp/deps-${deps.version}.ipk
+      '';
+      apply = ''
+        if [ ${deps.version} != "$(opkg info ${deps.package_name} | grep Version | cut -d' ' -f2)" ]; then
+          opkg update
+          opkg install --autoremove --force-downgrade /tmp/deps-${deps.version}.ipk
+        fi
+      '';
+    };
+
+    build.depsPackage = pkgs.runCommand "deps.ipk" rec {
+      package_name = ".extra-system-deps.";
+      version = builtins.hashString "sha256" (toString config.packages);
+      control = ''
+        Package: ${package_name}
+        Version: ${version}
+        Architecture: all
+        Description: extra system dependencies
+        ${lib.optionalString
+          (config.packages != [])
+          "Depends: ${lib.concatStringsSep ", " config.packages}"
+        }
+      '';
+      passAsFile = [ "control" ];
+    } ''
+      mkdir -p deps/control deps/data
+      cp $controlPath deps/control/control
+      echo 2.0 > deps/debian-binary
+
+      alias tar='command tar --numeric-owner --group=0 --owner=0'
+      (cd deps/control && tar -czf ../control.tar.gz ./*)
+      (cd deps/data && tar -czf ../data.tar.gz .)
+      (cd deps && tar -zcf $out ./debian-binary ./data.tar.gz ./control.tar.gz)
+    '';
+  };
+}