# { lib }:

# url:
# let
#   u0 = builtins.head (builtins.split "[?#]" url);
#   u = lib.strings.removeSuffix "/" u0;

#   m = builtins.match "https://github.com/([^/]+)/([^/]+)(/(tree|tag|commit)/([^/]+)(/(.*))?)?" u;
# in
# assert m != null;
# let
#   owner = builtins.elemAt m 0;
#   repo = builtins.elemAt m 1;

#   kind = builtins.elemAt m 3;
#   rev = builtins.elemAt m 4;

#   subdir = builtins.elemAt m 6;
# in
# {
#   inherit
#     owner
#     repo
#     kind
#     rev
#     subdir
#     ;

#   version =
#     if rev == null then
#       null
#     else
#       let
#         vm = builtins.match "^.*([0-9]+(\\.[0-9]+)+).*$" rev;
#       in
#       if vm == null then null else builtins.elemAt vm 0;

#   pname = repo;
#   homepage = "https://github.com/${owner}/${repo}";
# }