texlive: use looping in tl2nix (#216066)

1itl: { # no indentation

$a}

# trash packages we don't want

/^name .*\./,/^$/d

# form an attrmap per package

# ignore packages whose name contains "." (such as binaries)

/^name ([^.]+)$/,/^$/{

  # quote package names, as some start with a number :-/

s/^name (.*)/name "\1"/

  s/^name (.*)$/"\1" = {/p

  /^$/,1i};

  # extract revision

  s/^revision ([0-9]*)$/  revision = \1;/p

# form an attrmap per package

/^name /s/^name (.*)/\1 = {/p

/^$/,1i};

  # extract hashes of *.tar.xz

  s/^containerchecksum (.*)/  sha512.run = "\1";/p

  s/^doccontainerchecksum (.*)/  sha512.doc = "\1";/p

  s/^catalogue-version_(.*)/  version = "\1";/p

  # extract deps

s/^depend ([^.]*)$/  deps."\1" = tl."\1";/p

  /^depend [^.]+$/{

    s/^depend (.+)$/  deps."\1" = tl."\1";/

    # loop through following depend lines

    :next

      h ; N     # save & read next line

      s/\ndepend (.+)\.(.+)$//

      s/\ndepend (.+)$/\n  deps."\1" = tl."\1";/

      t next    # loop if the previous lines matched

    x; p; x     # print saved deps

    s/^.*\n//   # remove deps, resume processing

  }

  # extract hyphenation patterns and formats

  # (this may create duplicate lines, use uniq to remove them)

  /^execute\sAddHyphen/i\  hasHyphens = true;

  /^execute\sAddFormat/i\  hasFormats = true;

}