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build: strip unused mailcap, iana-etc, and tzdata from runtime closure #2

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Merged
sangwa merged 2 commits into from
Mar 26, 2026
Merged

build: strip unused mailcap, iana-etc, and tzdata from runtime closure #2

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92b61e8
build: strip unused mailcap, iana-etc, and tzdata from runtime closure
sangwa Mar 26, 2026
369f937
ci: disable Nix build summary in PRs
sangwa Mar 26, 2026
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13 changes: 13 additions & 0 deletions flake.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,19 @@
# Live DNSSEC tests are gated behind DNSSEC_LIVE_TEST env var
# and skip themselves in the sandbox; all other tests use fixtures
doCheck = true;

# The Go stdlib in nixpkgs is patched to reference nix store paths
# for mailcap (mime types), iana-etc (/etc/services), and tzdata.
# This server does not use mime.TypeByExtension, net.LookupPort,
# or time.LoadLocation, so strip these references to keep the
# runtime closure (and Docker image) minimal.
nativeBuildInputs = [ pkgs.removeReferencesTo ];
postInstall = ''
remove-references-to -t ${pkgs.mailcap} $out/bin/attestation-server
remove-references-to -t ${pkgs.iana-etc} $out/bin/attestation-server
remove-references-to -t ${pkgs.tzdata} $out/bin/attestation-server
'';
disallowedReferences = [ pkgs.mailcap pkgs.iana-etc pkgs.tzdata ];
};
default = attestation-server;

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