nix-helpers: fdf689d6f89c28383e92c46b25e23b6727cf9052

     1: { dirContaining, runCommand }:
     2: 
     3: with {
     4:   data = runCommand "dirContaining-test-data" { } ''
     5:     mkdir -p "$out/foo"
     6:     echo "baz" > "$out/foo/bar"
     7:   '';
     8: };
     9: dirContaining data [ "${data}/foo/bar" ]