{ lib , stdenv , fetchurl , fetchpatch , ncurses , pcre2 }: stdenv.mkDerivation (finalAttrs: { pname = "less"; version = "643"; # Only tarballs on the website are valid releases, # other versions, e.g. git tags are considered snapshots. src = fetchurl { url = "https://www.greenwoodsoftware.com/less/less-${finalAttrs.version}.tar.gz"; hash = "sha256-KRG1QyyDb6CEyKLmj2zWMSNywCalj6qpiGJzHItgUug="; }; patches = [ (fetchpatch { # https://www.openwall.com/lists/oss-security/2024/04/12/5 name = "sec-issue-newline-path.patch"; url = "https://gitlab.archlinux.org/archlinux/packaging/packages/less/-/raw/1d570db0c84fe95799f460526492e45e24c30ad0/backport-007521ac3c95bc76.patch"; hash = "sha256-BT8DLIu7oVhL5XL50uFVUp97qjklcvRHy85UQwVKAmc="; }) ]; buildInputs = [ ncurses pcre2 ]; outputs = [ "out" "man" ]; configureFlags = [ # Look for 'sysless' in /etc. "--sysconfdir=/etc" "--with-regex=pcre2" ]; meta = { homepage = "https://www.greenwoodsoftware.com/less/"; description = "A more advanced file pager than 'more'"; changelog = "https://www.greenwoodsoftware.com/less/news.${finalAttrs.version}.html"; license = lib.licenses.gpl3Plus; mainProgram = "less"; maintainers = with lib.maintainers; [ eelco dtzWill ]; platforms = lib.platforms.unix; }; })