From 3ea6554ab058be49627707a63abc769dbdea3459 Mon Sep 17 00:00:00 2001
From: Guillermo Rodriguez <guillermo@telos.net>
Date: Sat, 4 Feb 2023 14:04:06 -0300
Subject: [PATCH 1/4] Add nix development shell file

---
 develop.nix | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 develop.nix

diff --git a/develop.nix b/develop.nix
new file mode 100644
index 00000000..c9b2aa5f
--- /dev/null
+++ b/develop.nix
@@ -0,0 +1,26 @@
+with (import <nixpkgs> {});
+with python310Packages;
+stdenv.mkDerivation {
+  name = "pip-env";
+  buildInputs = [
+    # System requirements.
+    readline
+
+    # Python requirements (enough to get a virtualenv going).
+    python310Full
+    virtualenv
+    setuptools
+    pyqt5
+    pip
+  ];
+  src = null;
+  shellHook = ''
+    # Allow the use of wheels.
+    SOURCE_DATE_EPOCH=$(date +%s)
+
+    # Augment the dynamic linker path
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${R}/lib/R/lib:${readline}/lib
+
+    export QT_QPA_PLATFORM_PLUGIN_PATH="${qt5.qtbase.bin}/lib/qt-${qt5.qtbase.version}/plugins";
+  '';
+}

From 5017c541dbb89b96ff9cf0694ccf9b189424fd6a Mon Sep 17 00:00:00 2001
From: Guillermo Rodriguez <guillermo@telos.net>
Date: Sat, 11 Feb 2023 15:36:50 -0300
Subject: [PATCH 2/4] Auto initialize and activate virtualenv

---
 develop.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/develop.nix b/develop.nix
index c9b2aa5f..30ae2f08 100644
--- a/develop.nix
+++ b/develop.nix
@@ -22,5 +22,11 @@ stdenv.mkDerivation {
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${R}/lib/R/lib:${readline}/lib
 
     export QT_QPA_PLATFORM_PLUGIN_PATH="${qt5.qtbase.bin}/lib/qt-${qt5.qtbase.version}/plugins";
+
+    if [ ! -d "venv" ]; then
+        virtualenv venv
+    fi
+
+    source venv/bin/activate
   '';
 }

From 096e87cd3b6d7f3a1c4a26ade8f6d784f7bf6a8e Mon Sep 17 00:00:00 2001
From: Guillermo Rodriguez <guillermo@telos.net>
Date: Sat, 11 Feb 2023 15:45:29 -0300
Subject: [PATCH 3/4] Add info about nix to README.rst

---
 README.rst | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.rst b/README.rst
index 9b973d26..606feaf4 100644
--- a/README.rst
+++ b/README.rst
@@ -71,6 +71,19 @@ for a development install::
     source ./env/bin/activate
     pip install -r requirements.txt -e .
 
+install for nixos
+*****************
+for users of `NixOS` we offer a development shell envoirment that can be
+loaded with::
+
+    nix-shell develop.nix
+
+this will setup the required python envoirment to run piker, make sure to
+run::
+
+    pip install -r requirements.txt -e .
+
+once after loading the shell
 
 install for tinas
 *****************

From 69707786fcef45d88eb11f043a56ee14bb5e422f Mon Sep 17 00:00:00 2001
From: Guillermo Rodriguez <guillermo@telos.net>
Date: Sat, 11 Feb 2023 16:17:01 -0300
Subject: [PATCH 4/4] Fix environment spelling

---
 README.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.rst b/README.rst
index 606feaf4..e0612e28 100644
--- a/README.rst
+++ b/README.rst
@@ -78,7 +78,7 @@ loaded with::
 
     nix-shell develop.nix
 
-this will setup the required python envoirment to run piker, make sure to
+this will setup the required python environment to run piker, make sure to
 run::
 
     pip install -r requirements.txt -e .