tests.hooks.default-stdenv-hooks.make-symlinks-relative: init

1 files changed, 28 insertions, 0 deletions

diff --git a/pkgs/test/hooks/default.nix b/pkgs/test/hooks/default.nix
new file mode 100644
index 0000000000000..fe3a9b2a21672
--- /dev/null
+++ b/pkgs/test/hooks/default.nix
@@ -0,0 +1,28 @@
+# To run these tests:
+# nix-build -A tests.hooks
+
+{ stdenv, pkgs, lib }:
+
+{
+  # this attrset is for hooks in `stdenv.defaultNativeBuildInputs`
+  default-stdenv-hooks = lib.recurseIntoAttrs {
+    make-symlinks-relative = stdenv.mkDerivation {
+      name = "test-make-symlinks-relative";
+      passAsFile = [ "buildCommand" ];
+      buildCommand = ''
+        mkdir -p $out/{bar,baz}
+        source1="$out/bar/foo"
+        destination1="$out/baz/foo"
+        echo foo > $source1
+        ln -s $source1 $destination1
+        echo "symlink before patching: $(readlink $destination1)"
+
+        _makeSymlinksRelative
+
+        echo "symlink after patching: $(readlink $destination1)"
+        ([[ -e $destination1 ]] && echo "symlink isn't broken") || (echo "symlink is broken" && exit 1)
+        ([[ $(readlink $destination1) == "../bar/foo" ]] && echo "absolute symlink was made relative") || (echo "symlink was not made relative" && exit 1)
+      '';
+    };
+  };
+}