Add configs for a new kubernetes cluster on NixOS.

nix/kubernetes/roles/zsh/package/zsh-histdb/package.nix

@@ -0,0 +1,36 @@
+# unpackPhase
+# patchPhase
+# configurePhase
+# buildPhase
+# checkPhase
+# installPhase
+# fixupPhase
+# installCheckPhase
+# distPhase
+{
+  stdenv,
+  pkgs,
+  sqlite,
+  ...
+}:
+stdenv.mkDerivation {
+  name = "zsh-histdb";
+  src = pkgs.fetchgit {
+    url = "https://github.com/larkery/zsh-histdb.git";
+    rev = "90a6c104d0fcc0410d665e148fa7da28c49684eb";
+    sha256 = "sha256-vtG1poaRVbfb/wKPChk1WpPgDq+7udLqLfYfLqap4Vg=";
+  };
+  buildInputs = [ sqlite ];
+  phases = [
+    "installPhase"
+  ];
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/share/zsh/plugins/zsh-histdb
+    cp -r $src/histdb-* $src/*.zsh $src/db_migrations $out/share/zsh/plugins/zsh-histdb/
+    runHook postInstall
+  '';
+  postInstall = ''
+    substituteInPlace $out/share/zsh/plugins/zsh-histdb/sqlite-history.zsh $out/share/zsh/plugins/zsh-histdb/histdb-merge $out/share/zsh/plugins/zsh-histdb/histdb-migrate --replace-fail "sqlite3" "${sqlite}/bin/sqlite3"
+  '';
+}