| Skyler Grey | 3a9a2b1 | 2023-02-13 08:04:05 +0000 | [diff] [blame] | 1 | { pkgs, utils }: |
| 2 | let |
| 3 | lib = pkgs.lib; |
| 4 | in |
| 5 | file: lib.pipe file [ |
| 6 | builtins.readFile |
| 7 | (builtins.split "\\\$\\{\\{([^}]*)}}") |
| 8 | (map (part: |
| 9 | if builtins.typeOf part == "string" |
| 10 | then part |
| 11 | else |
| 12 | import |
| 13 | ( |
| 14 | ( |
| 15 | pkgs.writeText "generated.nix" ("pkgs: lib: " + (builtins.elemAt part 0)) |
| 16 | ).outPath |
| 17 | ) |
| 18 | pkgs |
| 19 | lib |
| 20 | )) |
| 21 | (map (part: |
| 22 | if builtins.typeOf part == "string" then part |
| 23 | else if builtins.typeOf part == "path" then |
| 24 | let |
| 25 | stringified = toString part; |
| 26 | in |
| 27 | builtins.toString (utils.interpolateFile ( |
| 28 | file + "/.." + (builtins.substring |
| 29 | (builtins.stringLength "/nix/store") |
| 30 | (builtins.stringLength |
| 31 | stringified) |
| 32 | stringified) |
| 33 | # ^ Somewhat of a hack, works because we know that the file path |
| 34 | # is a text file (i.e. not a directory) as we read it earlier and |
| 35 | # relative paths end up in /nix/store due to the writeText. Absolute |
| 36 | # paths are not supported |
| 37 | )) |
| 38 | else |
| 39 | toString part |
| 40 | )) |
| 41 | (builtins.concatStringsSep "") |
| 42 | ] |