From d59facd88c7d33d0ac125eb93392d2a67b46aea4 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 25 Nov 2016 00:15:13 +0100
Subject: writeOut: add support for text checking

---
 krebs/5pkgs/builders.nix | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'krebs')

diff --git a/krebs/5pkgs/builders.nix b/krebs/5pkgs/builders.nix
index 5860b9a1..77055d16 100644
--- a/krebs/5pkgs/builders.nix
+++ b/krebs/5pkgs/builders.nix
@@ -91,6 +91,7 @@ rec {
 
     writers.text =
       { path
+      , check ? null
       , executable ? false
       , mode ? if executable then "0755" else "0644"
       , text
@@ -102,6 +103,9 @@ rec {
         var = "file_${hashString "sha1" path}";
         val = text;
         install = /* sh */ ''
+          ${optionalString (check != null) /* sh */ ''
+            ${check} ''$${var}Path
+          ''}
           ${pkgs.coreutils}/bin/install -m ${mode} -D ''$${var}Path $out${path}
         '';
       };
-- 
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