lib.fileset.toSource: Test with unknown file type

Currently just throws the Nix error because unknown file types are not
supported by the Nix store, but nothing catches this error earlier (yet,
see next commit)

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/fileset/tests.sh b/lib/fileset/tests.sh
index 6a57177d14d4a..86ef1989f60b5 100755
--- a/lib/fileset/tests.sh
+++ b/lib/fileset/tests.sh
@@ -354,6 +354,11 @@ expectFailure 'toSource { root = ./a; fileset = ./.; }' 'lib.fileset.toSource: `
 \s*- Set `fileset` to a file set that cannot contain files outside the `root` \('"$work"'/a\). This could change the files included in the result.'
 rm -rf -- *
 
+# non-regular and non-symlink files cannot be added to the Nix store
+mkfifo a
+expectFailure 'toSource { root = ./.; fileset = ./a; }' 'file '\'"$work"'/a'\'' has an unsupported type'
+rm -rf -- *
+
 # Path coercion only works for paths
 expectFailure 'toSource { root = ./.; fileset = 10; }' 'lib.fileset.toSource: `fileset` is of type int, but it should be a file set or a path instead.'
 expectFailure 'toSource { root = ./.; fileset = "/some/path"; }' 'lib.fileset.toSource: `fileset` \("/some/path"\) is a string-like value, but it should be a file set or a path instead.