sane-scripts: include the python scripts

overlays/pkgs.nix

@@ -3,6 +3,7 @@
   let
     sane = rec {
       #### my own, non-upstreamable packages:
+      static-nix-shell = callPackages ../pkgs/static-nix-shell { };
       sane-scripts = callPackage ../pkgs/sane-scripts { };
       feeds = recurseIntoAttrs (callPackage ../pkgs/feeds { });
       tow-boot-pinephone = callPackage ../pkgs/tow-boot-pinephone { };

pkgs/feeds/default.nix

@@ -1,7 +1,7 @@
 { lib
 , callPackage
 , python3
-, stdenv
+, static-nix-shell
 , writeShellScript
 }:
 
@@ -21,21 +21,11 @@ let
     feed-pkgs;
 in rec {  # TODO: make this a scope
   inherit feed-pkgs;
-  update = stdenv.mkDerivation {
+  update = static-nix-shell.mkPython3Bin {
     pname = "update";
-    version = "0.1.0";
     src = ./.;
-    patchPhase =
-      let
-        pyEnv = python3.withPackages (ps: [ ps.feedsearch-crawler ]);
-      in ''
-      substituteInPlace ./update.py \
-        --replace "#!/usr/bin/env nix-shell" "#!${pyEnv.interpreter}"
-    '';
-    installPhase = ''
-      mkdir -p $out/bin
-      mv update.py $out/bin/update.py
-    '';
+    pyPkgs = [ "feedsearch-crawler" ];
+    srcPath = "update.py";
   };
   init-feed = writeShellScript
     "init-feed"

pkgs/sane-scripts/default.nix

@@ -1,12 +1,15 @@
 { lib
 , pkgs
 , resholve
+, static-nix-shell
+, symlinkJoin
 }:
 
-# resholve documentation:
-# - nix: https://github.com/nixos/nixpkgs/blob/master/pkgs/development/misc/resholve/README.md
-# - generic: https://github.com/abathur/resholve
-resholve.mkDerivation {
+let
+  shell-scripts = resholve.mkDerivation {
+    # resholve documentation:
+    # - nix: https://github.com/nixos/nixpkgs/blob/master/pkgs/development/misc/resholve/README.md
+    # - generic: https://github.com/abathur/resholve
     pname = "sane-scripts";
     version = "0.1.0";
 
@@ -91,8 +94,7 @@ resholve.mkDerivation {
     };
 
     patchPhase = ''
-    # remove python scripts
-    # TODO: figure out how to make resholve process only shell scripts
+      # remove python scripts  (we package them further below)
       rm sane-bt-search
       rm sane-date-math
       rm sane-reclaim-boot-space
@@ -102,7 +104,26 @@ resholve.mkDerivation {
       mkdir -p $out/bin
       cp -R * $out/bin/
     '';
+  };
 
+  bt-search = static-nix-shell.mkPython3Bin {
+    pname = "sane-bt-search";
+    src = ./src;
+    pyPkgs = [ "natsort" "requests" ];
+  };
+  date-math = static-nix-shell.mkPython3Bin {
+    pname = "sane-date-math";
+    src = ./src;
+  };
+  reclaim-boot-space = static-nix-shell.mkPython3Bin {
+    pname = "sane-reclaim-boot-space";
+    src = ./src;
+  };
+
+in
+symlinkJoin {
+  name = "sane-scripts";
+  paths = [ shell-scripts bt-search date-math reclaim-boot-space ];
   meta = {
     description = "collection of scripts associated with uninsane systems";
     homepage = "https://git.uninsane.org";

pkgs/sane-scripts/src/sane-date-math

@@ -1,4 +1,5 @@
-#!/usr/bin/env python3
+#!/usr/bin/env nix-shell
+#!nix-shell -i python3 -p "python3.withPackages (ps: [  ])"
 
 # i just went overboard playing around with parsers, is all.
 # use this like `./sane-date-math 'today - 5d'`

pkgs/sane-scripts/src/sane-reclaim-boot-space

@@ -1,4 +1,5 @@
-#!/usr/bin/env python3
+#!/usr/bin/env nix-shell
+#!nix-shell -i python3 -p "python3.withPackages (ps: [  ])"
 
 import os
 import os.path

pkgs/static-nix-shell/default.nix

@@ -0,0 +1,30 @@
+{ stdenv
+, python3
+}:
+
+{
+  # transform a file which uses `#!/usr/bin/env nix-shell` shebang with a `python3` interpreter
+  # into a derivation that can be built statically
+  mkPython3Bin = { pname, pyPkgs ? [], srcPath ? pname, ... }@attrs: stdenv.mkDerivation (
+    let
+      evalPyPkgs = ps: builtins.map (name: ps."${name}") pyPkgs;
+      pyEnv = python3.withPackages evalPyPkgs;
+      pyPkgsStr = builtins.concatStringsSep " " (builtins.map (p: "ps.${p}") pyPkgs);
+    in {
+      version = "0.1.0";  # default version
+      patchPhase = ''
+        substituteInPlace ${srcPath} \
+          --replace '#!/usr/bin/env nix-shell' '#!${pyEnv.interpreter}' \
+          --replace \
+            '#!nix-shell -i python3 -p "python3.withPackages (ps: [ ${pyPkgsStr} ])"' \
+            '# nix deps evaluated statically'
+      '';
+      installPhase = ''
+        mkdir -p $out/bin
+        mv ${srcPath} $out/bin/${srcPath}
+        # ensure that all nix-shell references were substituted
+        ! grep nix-shell $out/bin/${srcPath}
+      '';
+    } // attrs
+  );
+}