{ clan-core, lib }: rec { getReadme = modulename: let readme = "${clan-core}/clanModules/${modulename}/README.md"; readmeContents = if (builtins.pathExists readme) then (builtins.readFile readme) else throw "No README.md found for module ${modulename}"; in readmeContents; getFrontmatter = modulename: let content = getReadme modulename; parts = lib.splitString "---" content; # Partition the parts into the first part (the readme content) and the rest (the metadata) parsed = builtins.partition ({ index, ... }: if index >= 2 then false else true) ( lib.filter ({ index, ... }: index != 0) (lib.imap0 (index: part: { inherit index part; }) parts) ); meta = builtins.fromTOML (builtins.head parsed.right).part; in if (builtins.length parts >= 3) then meta else throw '' TOML Frontmatter not found in README.md for module ${modulename} Please add the following to the top of your README.md: --- description = "Your description here" categories = [ "Your categories here" ] features = [ "inventory" ] --- ...rest of your README.md... ''; }