[Bug 256581] CARGO_GIT_SUBDIR doesn't work with unpacked [dependencies.<crate>]

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 16 Jun 2021 17:57:49 +0000

--- Comment #1 from Tobias Kortkamp <tobik_at_freebsd.org> ---
Created attachment 225862
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=225862&action=edit

Ok, to get away from the sed hackery we need to let cargo do the
replacement with [patch] sections. This can maybe work like this:

1. Patch cargo to add an option to not force fetch Git sources when
   using cargo update (we abuse cargo update to trivially bump crate
   versions to avoid patching Cargo.lock ourselves; would be a shame to
   loose it); hack for that attached (against rust-1.52.0 branch in cargo 
2. Put appropriate [patch] sections into ${WRKDIR}/.cargo/config so
   that cargo can do the replacement itself. That currently requires
   the -Zpatch-in-config unstable feature [1].

   For dns/dog (much less complicated for experimentation than
   games/veloren) the [patch] section would look like:

GH_TUPLE=       llogiq:mutagen:c7abc956a10e8a3e2cc71f21279ea0a42f7b7c10:mutagen
CARGO_GIT_SUBDIR= mutagen:mutagen:mutagen       
mutagen = { path = "${WRKSRC_mutagen}/mutagen" }

[1] https://github.com/rust-lang/cargo/issues/9269

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Received on Wed Jun 16 2021 - 17:57:49 UTC

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