extra-container: init at 0.8

pkgs/tools/virtualization/extra-container/default.nix

@@ -0,0 +1,37 @@
+{ stdenv, lib, nixos-container, openssh, glibcLocales, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "extra-container";
+  version = "0.8";
+
+  src = fetchFromGitHub {
+    owner = "erikarvstedt";
+    repo = pname;
+    rev = version;
+    hash = "sha256-/AetqDPkz32JMdjbSdzZCBVmGbvzjeAb8Wv82iTgHFE=";
+  };
+
+  buildCommand = ''
+    install -D $src/extra-container $out/bin/extra-container
+    patchShebangs $out/bin
+    share=$out/share/extra-container
+    install $src/eval-config.nix -Dt $share
+
+    # Use existing PATH for systemctl and machinectl
+    scriptPath="export PATH=${lib.makeBinPath [ nixos-container openssh ]}:\$PATH"
+
+    sed -i \
+      -e "s|evalConfig=.*|evalConfig=$share/eval-config.nix|" \
+      -e "s|LOCALE_ARCHIVE=.*|LOCALE_ARCHIVE=${glibcLocales}/lib/locale/locale-archive|" \
+      -e "2i$scriptPath" \
+      $out/bin/extra-container
+  '';
+
+  meta = with lib; {
+    description = "Run declarative containers without full system rebuilds";
+    homepage = https://github.com/erikarvstedt/extra-container;
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.earvstedt ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -31922,6 +31922,8 @@ with pkgs;
 
   nixos-rebuild = callPackage ../os-specific/linux/nixos-rebuild { };
 
+  extra-container = callPackage ../tools/virtualization/extra-container { };
+
   norwester-font = callPackage ../data/fonts/norwester  {};
 
   nut = callPackage ../applications/misc/nut { };