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buildEnv: allow custom environment variables to be set #20822

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buildEnv: allow custom environment variables to be set #20822

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11 changes: 7 additions & 4 deletions pkgs/build-support/buildenv/default.nix
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Expand Up @@ -38,12 +38,15 @@
, # Additional inputs. Handy e.g. if using makeWrapper in `postBuild`.
buildInputs ? []

# Other environment variables to set at build time.
, environment ? {}

, passthru ? {}
, meta ? {}
}:

runCommand name
rec {
(environment // rec {
inherit manifest ignoreCollisions checkCollisionContents passthru
meta pathsToLink extraPrefix postBuild buildInputs;
pkgs = builtins.toJSON (map (drv: {
Expand All @@ -54,17 +57,17 @@ runCommand name
# aren't expected to have multiple outputs.
(if drv.outputUnspecified or false
&& drv.meta.outputsToInstall or null != null
then map (outName: drv.${outName}) drv.meta.outputsToInstall
then map (outName: drv."${outName}") drv.meta.outputsToInstall
else [ drv ])
# Add any extra outputs specified by the caller of `buildEnv`.
++ lib.filter (p: p!=null)
(builtins.map (outName: drv.${outName} or null) extraOutputsToInstall);
(builtins.map (outName: drv."${outName}" or null) extraOutputsToInstall);
priority = drv.meta.priority or 5;
}) paths);
preferLocalBuild = true;
# XXX: The size is somewhat arbitrary
passAsFile = if builtins.stringLength pkgs >= 128*1024 then [ "pkgs" ] else null;
}
})
''
${perl}/bin/perl -w ${./builder.pl}
eval "$postBuild"
Expand Down