From 1eee24d8d8201b2dd4a2295a7d49b30a6f6f1fb7 Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Sat, 20 Nov 2021 19:26:07 +0100
Subject: pkgs/profpatsch: replace nixpkgs version in fetched tvl repo
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We don’t want any builtins.fetchgit stuff from random domains,
hopefully this will fix the current eval error.
---
 pkgs/profpatsch/default.nix | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

(limited to 'pkgs/profpatsch')

diff --git a/pkgs/profpatsch/default.nix b/pkgs/profpatsch/default.nix
index 269eef0b..86c9a6ec 100644
--- a/pkgs/profpatsch/default.nix
+++ b/pkgs/profpatsch/default.nix
@@ -101,13 +101,37 @@ let
 
   writeExeclineFns = callPackage ./execline/write-execline.nix {};
 
+  # Fetch the tvl source at commit, and replac the nixpkgs version it depends
+  # on with the given nixpkgsPath.
+  tvlSrc = { tvlCommit, tvlSha256, nixpkgsPath }:
+    let
+      bins = getBins pkgs.gawk [ "gawk" ]
+          // getBins pkgs.coreutils [ "cp" ];
+      gawkScript = ''
+        /stableNixpkgs =/ { sub("stableNixpkgsSrc", "${nixpkgsPath}"); print }
+        !/stableNixpkgs =/ { print }
+      '';
+      src = pkgs.fetchgit {
+        url = "https://code.tvl.fyi/depot.git";
+        rev = tvlCommit; # 2021-11-13
+        sha256 = tvlSha256;
+      };
+      prepareSource = runExeclineFns.runExeclineLocal "prepare-tvl" {} [
+        "importas" "out" "out"
+        "if" [ bins.cp "--no-preserve=mode" "-r" src "$out" ]
+        bins.gawk "-i" "inplace" gawkScript "\${out}/third_party/nixpkgs/default.nix"
+      ];
+    in prepareSource;
+
 
 in rec {
-  tvl = import (pkgs.fetchgit {
-    url = "https://code.tvl.fyi/depot.git";
-    rev = "e2fbc10ebdb5d85813fd15c5dd371ee8e1e87a22"; # 2021-11-13
-    sha256 = "14hrzx31a7bas64n8rz89388nwfhmy77l5s85g82vvzd5fxg61by";
-  }) {};
+  tvl =
+    import (tvlSrc {
+      tvlCommit = "e2fbc10ebdb5d85813fd15c5dd371ee8e1e87a22"; # 2021-11-13
+      tvlSha256 = "14hrzx31a7bas64n8rz89388nwfhmy77l5s85g82vvzd5fxg61by";
+      nixpkgsPath = import ../../nixpkgs-path.nix;
+    }) {};
+
 
   inherit (nixperiments)
     # canonical pattern matching primitive
-- 
cgit 1.4.1