pkgs/profpatsch: add nix-run

Small tool which takes a block of nix options that should produce a
script to run, and then calls the script with the rest of argv

    e nix-run { -A foobar } a b c

calls `nix-build -A foobar && ./result a b c`.

1 files changed, 18 insertions, 0 deletions

diff --git a/pkgs/profpatsch/nix-tools.nix b/pkgs/profpatsch/nix-tools.nix
new file mode 100644
index 00000000..9b6eb339
--- /dev/null
+++ b/pkgs/profpatsch/nix-tools.nix
@@ -0,0 +1,18 @@
+{ pkgs, writeExecline, backtick, runblock, getBins }:
+
+let
+  bins = getBins pkgs.nix [ "nix-build" ];
+
+  nix-run = writeExecline "nix-run" { argMode = "env"; } [
+    (backtick {
+      var = "storepath";
+      cmd = [ runblock "1" bins.nix-build ];
+    })
+    runblock "-r" "2" "exec" "$storepath"
+  ];
+
+in {
+  inherit
+    nix-run
+    ;
+}