nix-helpers: 3c1a789537c6194e2477e615868f1252a73a2430

     1: # Create a directory containing 'files'; the directory structure will be
     2: # relative to 'base', for example:
     3: #
     4: #   dirContaining /foo/bar [ /foo/bar/baz /foo/bar/quux/foobar ]
     5: #
     6: # Will produce a directory containing 'baz' and 'quux/foobar'.
     7: { mergeDirs, runCommand }:
     8: 
     9: with builtins;
    10: base: files:
    11: mergeDirs (
    12:   map (
    13:     f:
    14:     runCommand "dir"
    15:       {
    16:         base = toString base;
    17:         file = toString base + "/${f}";
    18:       }
    19:       ''
    20:         REL=$(echo "$file" | sed -e "s@$base/@@g")
    21:         DIR=$(dirname "$REL")
    22:         mkdir -p "$out/$DIR"
    23:         ln -s "$file" "$out/$REL"
    24:       ''
    25:   ) files
    26: )