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generic/setup.sh: Unset locally defined variables

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setup.sh adds a bunch of variables that only it needs. To avoid
polluting environments, we should unset these as soon as we are done
with them.
This commit is contained in:
Matthew Bauer 2019-09-26 18:47:38 -04:00
parent 0de5df0343
commit 1601a7fcce
1 changed files with 22 additions and 13 deletions
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35
pkgs/stdenv/generic/setup.sh
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@ -280,6 +280,8 @@ for i in $initialPath; do
fi
done
unset i
if (( "${NIX_DEBUG:-0}" >= 1 )); then
echo "initial path: $PATH"
fi
@ -309,11 +311,11 @@ declare -a pkgsBuildBuild pkgsBuildHost pkgsBuildTarget
declare -a pkgsHostHost pkgsHostTarget
declare -a pkgsTargetTarget
declare -ra pkgBuildAccumVars=(pkgsBuildBuild pkgsBuildHost pkgsBuildTarget)
declare -ra pkgHostAccumVars=(pkgsHostHost pkgsHostTarget)
declare -ra pkgTargetAccumVars=(pkgsTargetTarget)
declare -a pkgBuildAccumVars=(pkgsBuildBuild pkgsBuildHost pkgsBuildTarget)
declare -a pkgHostAccumVars=(pkgsHostHost pkgsHostTarget)
declare -a pkgTargetAccumVars=(pkgsTargetTarget)
declare -ra pkgAccumVarVars=(pkgBuildAccumVars pkgHostAccumVars pkgTargetAccumVars)
declare -a pkgAccumVarVars=(pkgBuildAccumVars pkgHostAccumVars pkgTargetAccumVars)
# Hooks
@ -322,11 +324,11 @@ declare -a envBuildBuildHooks envBuildHostHooks envBuildTargetHooks
declare -a envHostHostHooks envHostTargetHooks
declare -a envTargetTargetHooks
declare -ra pkgBuildHookVars=(envBuildBuildHook envBuildHostHook envBuildTargetHook)
declare -ra pkgHostHookVars=(envHostHostHook envHostTargetHook)
declare -ra pkgTargetHookVars=(envTargetTargetHook)
declare -a pkgBuildHookVars=(envBuildBuildHook envBuildHostHook envBuildTargetHook)
declare -a pkgHostHookVars=(envHostHostHook envHostTargetHook)
declare -a pkgTargetHookVars=(envTargetTargetHook)
declare -ra pkgHookVarVars=(pkgBuildHookVars pkgHostHookVars pkgTargetHookVars)
declare -a pkgHookVarVars=(pkgBuildHookVars pkgHostHookVars pkgTargetHookVars)
# Add env hooks for all sorts of deps with the specified host offset.
addEnvHooks() {
@ -342,26 +344,26 @@ addEnvHooks() {
# Propagated dep files
declare -ra propagatedBuildDepFiles=(
declare -a propagatedBuildDepFiles=(
propagated-build-build-deps
propagated-native-build-inputs # Legacy name for back-compat
propagated-build-target-deps
)
declare -ra propagatedHostDepFiles=(
declare -a propagatedHostDepFiles=(
propagated-host-host-deps
propagated-build-inputs # Legacy name for back-compat
)
declare -ra propagatedTargetDepFiles=(
declare -a propagatedTargetDepFiles=(
propagated-target-target-deps
)
declare -ra propagatedDepFilesVars=(
declare -a propagatedDepFilesVars=(
propagatedBuildDepFiles
propagatedHostDepFiles
propagatedTargetDepFiles
)
# Platform offsets: build = -1, host = 0, target = 1
declare -ra allPlatOffsets=(-1 0 1)
declare -a allPlatOffsets=(-1 0 1)
# Mutually-recursively find all build inputs. See the dependency section of the
@ -605,6 +607,13 @@ _addToEnv() {
_addToEnv
# Unset setup-specific declared variables
unset allPlatOffsets
unset pkgBuildAccumVars pkgHostAccumVars pkgTargetAccumVars pkgAccumVarVars
unset pkgBuildHookVars pkgHostHookVars pkgTargetHookVars pkgHookVarVars
unset propagatedBuildDepFiles propagatedHostDepFiles propagatedTargetDepFiles propagatedDepFilesVars
_addRpathPrefix "$out"