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{ supportedSystems, nixpkgs, pkgs, nix }:
pkgs.runCommand "nixpkgs-release-checks" { src = nixpkgs; buildInputs = [nix]; } ''
set -o pipefail
export NIX_STORE_DIR=$TMPDIR/store
export NIX_STATE_DIR=$TMPDIR/state
export NIX_PATH=nixpkgs=$TMPDIR/barf.nix
opts=(--option build-users-group "")
nix-store --init
echo 'abort "Illegal use of <nixpkgs> in Nixpkgs."' > $TMPDIR/barf.nix
# Make sure that Nixpkgs does not use <nixpkgs>.
badFiles=$(find $src/pkgs -type f -name '*.nix' -print | xargs grep -l '^[^#]*<nixpkgs\/' || true)
if [[ -n $badFiles ]]; then
echo "Nixpkgs is not allowed to use <nixpkgs> to refer to itself."
echo "The offending files: $badFiles"
exit 1
fi
src2=$TMPDIR/foo
cp -rd $src $src2
# Check that all-packages.nix evaluates on a number of platforms without any warnings.
for platform in ${pkgs.lib.concatStringsSep " " supportedSystems}; do
header "checking Nixpkgs on $platform"
# To get a call trace; see https://nixos.org/manual/nixpkgs/stable/#function-library-lib.trivial.warn
# Relies on impure eval
export NIX_ABORT_ON_WARN=true
set +e
(
set -x
nix-env -f $src \
--show-trace --argstr system "$platform" \
--arg config '{ allowAliases = false; }' \
--option experimental-features 'no-url-literals' \
-qa --drv-path --system-filter \* --system \
"''${opts[@]}" 2> eval-warnings.log > packages1
)
rc=$?
set -e
if [ "$rc" != "0" ]; then
cat eval-warnings.log
exit $rc
fi
s1=$(sha1sum packages1 | cut -c1-40)
echo $s1
nix-env -f $src2 \
--show-trace --argstr system "$platform" \
--arg config '{ allowAliases = false; }' \
--option experimental-features 'no-url-literals' \
-qa --drv-path --system-filter \* --system \
"''${opts[@]}" > packages2
s2=$(sha1sum packages2 | cut -c1-40)
if [[ $s1 != $s2 ]]; then
echo "Nixpkgs evaluation depends on Nixpkgs path"
diff packages1 packages2
exit 1
fi
# Catch any trace calls not caught by NIX_ABORT_ON_WARN (lib.warn)
if [ -s eval-warnings.log ]; then
echo "Nixpkgs on $platform evaluated with warnings, aborting"
exit 1
fi
rm eval-warnings.log
nix-env -f $src \
--show-trace --argstr system "$platform" \
--arg config '{ allowAliases = false; }' \
--option experimental-features 'no-url-literals' \
-qa --drv-path --system-filter \* --system --meta --xml \
"''${opts[@]}" > /dev/null
done
touch $out
''
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