letting a port depending on rust-nightly

[Jan Beich]

MR <mr at freebsd.org> writes:

> Hi,
> I tried but before it can work I get:
> ...
> =======================<phase: configure      >============================
> ===>  Configuring for bitwarden_rs-1.17.0
> error: failed to resolve patches for
> `https://github.com/rust-lang/crates.io-index`
>
> Caused by:
>   patch for `data-url` in
>   `https://github.com/rust-lang/crates.io-index` failed to resolve
>
> Caused by:
>   The patch location
>   `/wrkdirs/usr/ports/security/bitwarden_rs/work/rust-url-7f1bd6ce1c2fde599a757302a843a60e714c5f72`
>   does not appear to contain any packages matching the name
>   `data-url`.
> *** Error code 101

Maybe define CARGO_GIT_SUBDIR, see https://svnweb.freebsd.org/changeset/ports/517982

$ rg -l CARGO_GIT_SUBDIR
Mk/Uses/cargo.mk
dns/dog/Makefile
games/veloren/Makefile
sysutils/vector/Makefile