sane-scripts: lift sane-git-init out of resholve

pkgs/additional/sane-scripts/default.nix

@@ -29,7 +29,6 @@ let
           curl
           file
           findutils
-          git
           gnugrep
           gnused
           gocryptfs
@@ -153,6 +152,11 @@ let
       src = ./src;
       pkgs = [ "findutils" ];
     };
+    git-init = static-nix-shell.mkBash {
+      pname = "sane-git-init";
+      src = ./src;
+      pkgs = [ "git" ];
+    };
     ip-check-upnp = static-nix-shell.mkPython3Bin {
       pname = "sane-ip-check-upnp";
       src = ./src;

pkgs/additional/sane-scripts/src/sane-git-init

@@ -1,4 +1,5 @@
-#!/usr/bin/env bash
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p git
 
 set -x