From e26662709e4f458e0916d43a613d44b174ad4679 Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Wed, 19 Apr 2023 20:36:33 -0400
Subject: Add a more interesting test

In this one, we don't just output an existing derivation as is, but
modify it first.
---
 tests/dyn-drv/recursive-mod-json.nix | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 tests/dyn-drv/recursive-mod-json.nix

(limited to 'tests/dyn-drv/recursive-mod-json.nix')

diff --git a/tests/dyn-drv/recursive-mod-json.nix b/tests/dyn-drv/recursive-mod-json.nix
new file mode 100644
index 000000000..9b32c55e9
--- /dev/null
+++ b/tests/dyn-drv/recursive-mod-json.nix
@@ -0,0 +1,33 @@
+with import ./config.nix;
+
+let innerName = "foo"; in
+
+mkDerivation rec {
+  name = "${innerName}.drv";
+  SHELL = shell;
+
+  requiredSystemFeatures = [ "recursive-nix" ];
+
+  drv = builtins.unsafeDiscardOutputDependency (import ./text-hashed-output.nix).root.drvPath;
+
+  buildCommand = ''
+    export NIX_CONFIG='experimental-features = nix-command ca-derivations'
+
+    PATH=${builtins.getEnv "EXTRA_PATH"}:$PATH
+
+    # JSON of pre-existing drv
+    nix derivation show $drv | jq .[] > drv0.json
+
+    # Fix name
+    jq < drv0.json '.name = "${innerName}"' > drv1.json
+
+    # Extend `buildCommand`
+    jq < drv1.json '.env.buildCommand += "echo \"I am alive!\" >> $out/hello\n"' > drv0.json
+
+    # Used as our output
+    cp $(nix derivation add < drv0.json) $out
+  '';
+  __contentAddressed = true;
+  outputHashMode = "text";
+  outputHashAlgo = "sha256";
+}
-- 
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