all: initial port from private config

pkgs/shells/zsh/zsh-z/default.nix

@@ -0,0 +1,34 @@
+{ stdenv
+, fetchFromGitHub
+, installShellFiles
+
+, zsh
+}:
+
+stdenv.mkDerivation {
+  pname = "zsh-z";
+  version = "2020.06.30.ae71aab";
+
+  src = fetchFromGitHub {
+    owner = "agkozak";
+    repo = "zsh-z";
+    rev = "ae71aabec5472095b01d25b4c341adb349c277f4";
+    sha256 = "1b3ad39l90jqzvfym6xl7lxsmab0anmjs7viiz8ldxddad9106b0";
+  };
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  propogatedBuildInputs = [ zsh ];
+
+  installPhase = ''
+    install -D zsh-z.plugin.zsh \
+      $out/share/zsh-z/zsh-z.zsh
+    installShellCompletion --zsh _zshz
+  '';
+
+  meta = {
+    description = ''Jump quickly to directories that you have visited "frecently." A native ZSH port of z.sh.'';
+    homepage = "https://github.com/agkozak/zsh-z";
+    license = stdenv.lib.licenses.mit;
+  };
+}