mirror of
https://github.com/NixOS/nixpkgs.git
synced 2026-03-08 01:24:09 +01:00
4a20fb1916
We’ve never deprecated a platform in widespread use before, and it seems prudent to warn users about the upcoming end of support so they can plan appropriately. I tried to make this relatively unobtrusive by taking advantage of the import cache and offering a way to turn it off, but I anticipate there might still be issues with e.g. `nix shell nixpkgs#…` and spammy warnings from multiple instantiations of Nixpkgs. I’m not sure there’s much we can do about that unless we take a different strategy entirely; `nix shell --impure nixpkgs#…` with a `~/.config/nixpkgs/config.nix` is about the best UX we can hope to offer with the restrictions of flakes.
105 lines
3.4 KiB
Nix
105 lines
3.4 KiB
Nix
{
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supportedSystems,
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nixpkgs,
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pkgs,
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}:
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pkgs.runCommand "nixpkgs-release-checks"
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{
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src = nixpkgs;
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buildInputs = [ pkgs.nix ];
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requiredSystemFeatures = [ "big-parallel" ]; # 1 thread but ~10G RAM; see #227945
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}
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''
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set -o pipefail
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export NIX_STORE_DIR=$TMPDIR/store
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export NIX_STATE_DIR=$TMPDIR/state
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export NIX_PATH=nixpkgs=$TMPDIR/barf.nix
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opts=()
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nix-store --init
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echo 'abort "Illegal use of <nixpkgs> in Nixpkgs."' > $TMPDIR/barf.nix
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# Make sure that Nixpkgs does not use <nixpkgs>.
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badFiles=$(find $src/pkgs -type f -name '*.nix' -print | xargs grep -l '^[^#]*<nixpkgs/' || true)
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if [[ -n $badFiles ]]; then
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echo "Nixpkgs is not allowed to use <nixpkgs> to refer to itself."
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echo "The offending files: $badFiles"
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exit 1
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fi
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# Make sure that no paths collide on case-preserving or case-insensitive filesysytems.
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conflictingPaths=$(find $src | awk '{ print $1 " " tolower($1) }' | sort -k2 | uniq -D -f 1 | cut -d ' ' -f 1)
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if [[ -n $conflictingPaths ]]; then
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echo "Files in nixpkgs must not vary only by case"
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echo "The offending paths: $conflictingPaths"
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exit 1
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fi
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src2=$TMPDIR/foo
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cp -rd $src $src2
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# Check that all-packages.nix evaluates on a number of platforms without any warnings.
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for platform in ${pkgs.lib.concatStringsSep " " supportedSystems}; do
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echo "checking Nixpkgs on $platform"
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# To get a call trace; see https://nixos.org/manual/nixpkgs/stable/#function-library-lib.trivial.warn
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# Relies on impure eval
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export NIX_ABORT_ON_WARN=true
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# Suppress GC warnings
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export GC_LARGE_ALLOC_WARN_INTERVAL=100000
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set +e
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(
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set -x
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nix-env -f $src \
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--show-trace --argstr system "$platform" \
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--arg config '{ allowAliases = false; allowDeprecatedx86_64Darwin = true; }' \
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--option experimental-features 'no-url-literals' \
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-qa --drv-path --system-filter \* --system \
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"''${opts[@]}" 2> eval-warnings.log > packages1
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)
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rc=$?
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set -e
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if [ "$rc" != "0" ]; then
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cat eval-warnings.log
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exit $rc
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fi
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s1=$(sha1sum packages1 | cut -c1-40)
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nix-env -f $src2 \
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--show-trace --argstr system "$platform" \
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--arg config '{ allowAliases = false; allowDeprecatedx86_64Darwin = true; }' \
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--option experimental-features 'no-url-literals' \
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-qa --drv-path --system-filter \* --system \
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"''${opts[@]}" > packages2
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s2=$(sha1sum packages2 | cut -c1-40)
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if [[ $s1 != $s2 ]]; then
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echo "Nixpkgs evaluation depends on Nixpkgs path"
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diff packages1 packages2
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exit 1
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fi
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# Catch any trace calls not caught by NIX_ABORT_ON_WARN (lib.warn)
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if [ -s eval-warnings.log ]; then
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echo "Nixpkgs on $platform evaluated with warnings, aborting"
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echo "Warnings logged:"
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cat eval-warnings.log
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exit 1
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fi
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nix-env -f $src \
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--show-trace --argstr system "$platform" \
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--arg config '{ allowAliases = false; allowDeprecatedx86_64Darwin = true; }' \
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--option experimental-features 'no-url-literals' \
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-qa --drv-path --system-filter \* --system --meta --xml \
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"''${opts[@]}" > /dev/null
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done
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touch $out
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''
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