[Buildroot] [PATCH 1/5 v3] package/pkg-cargo: allow packages to define download environment

[Peter Korsgaard]

>>>>>   <yann.morin at orange.com> writes:

 > From: "Yann E. MORIN" <yann.morin at orange.com>
 > Currently, the cargo infrastructure forcibly sets the package _DL_ENV
 > variable, instead of appending to it, which prevents packages from
 > providing their own download environment variables.

 > We fix that by using an append-assignment.

 > Note: when introduced, that variable was explicitly not documented, and
 > is supposed to only be used by packages infrastructures. However, that
 > variable exists, and it can be (ab)used by br2-external packages (most
 > probably to ill effects, but heh!). We anyway leave it undocumented,
 > like _ROOTFS_PRE_CMD_HOOKS.

 > Signed-off-by: Yann E. MORIN <yann.morin at orange.com>
 > Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
 > Acked-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>

Committed, thanks.

-- 
Bye, Peter Korsgaard