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doc: Document 'http_proxy'. 

* doc/guix.texi (Build Environment Setup, Substitutes): Document
'http_proxy'.
This commit is contained in:
Ludovic Courtès 2016-01-18 15:28:30 +01:00
parent 44ad33843a
commit e0c941fefa
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@ -634,6 +634,11 @@ This way, the value of @code{TMPDIR} does not leak inside build
environments, which avoids discrepancies in cases where build processes environments, which avoids discrepancies in cases where build processes
capture the name of their build tree. capture the name of their build tree.
@vindex http_proxy
The daemon also honors the @code{http_proxy} environment variable for
HTTP downloads it performs, be it for fixed-output derivations
(@pxref{Derivations}) or for substitutes (@pxref{Substitutes}).
If you are installing Guix as an unprivileged user, it is still possible If you are installing Guix as an unprivileged user, it is still possible
to run @command{guix-daemon} provided you pass @code{--disable-chroot}. to run @command{guix-daemon} provided you pass @code{--disable-chroot}.
However, build processes will not be isolated from one another, and not However, build processes will not be isolated from one another, and not
@ -1685,6 +1690,14 @@ Guix ignores substitutes that are not signed, or that are not signed by
one of the keys listed in the ACL. It also detects and raises an error one of the keys listed in the ACL. It also detects and raises an error
when attempting to use a substitute that has been tampered with. when attempting to use a substitute that has been tampered with.
@vindex http_proxy
Substitutes are downloaded over HTTP. The @code{http_proxy} environment
variable can be set in the environment of @command{guix-daemon} and is
honored for downloads of substitutes. Note that the value of
@code{http_proxy} in the environment where @command{guix build},
@command{guix package}, and other client commands are run has
@emph{absolutely no effect}.
The substitute mechanism can be disabled globally by running The substitute mechanism can be disabled globally by running
@code{guix-daemon} with @code{--no-substitutes} (@pxref{Invoking @code{guix-daemon} with @code{--no-substitutes} (@pxref{Invoking
guix-daemon}). It can also be disabled temporarily by passing the guix-daemon}). It can also be disabled temporarily by passing the