{ lib , buildGoModule , fetchgit , writeShellScript , unstableGitUpdater , sd }: buildGoModule rec { pname = "goperf"; version = "0-unstable-2024-07-07"; src = fetchgit { url = "https://go.googlesource.com/perf"; rev = "dc66afd55b77cd4e555203ff2c0d3e4d219a1410"; hash = "sha256-necbttrRRVcbe4JOFBFNvAl2CPOXe8bC7qPLb8qXJSE="; }; vendorHash = "sha256-LJ8eNjOufTvLj1939nYkQOi84ZlT8zSGnTztcEKigfY="; passthru.updateScript = writeShellScript "update-goperf" '' export UPDATE_NIX_ATTR_PATH=goperf ${lib.escapeShellArgs (unstableGitUpdater { inherit (src) url; })} set -x oldhash="$(nix-instantiate . --eval --strict -A "goperf.goModules.drvAttrs.outputHash" | cut -d'"' -f2)" newhash="$(nix-build -A goperf.goModules --no-out-link 2>&1 | tail -n3 | grep 'got:' | cut -d: -f2- | xargs echo || true)" fname="$(nix-instantiate --eval -E 'with import ./. {}; (builtins.unsafeGetAttrPos "version" goperf).file' | cut -d'"' -f2)" ${lib.getExe sd} --string-mode "$oldhash" "$newhash" "$fname" ''; meta = with lib; { description = "Tools and packages for analyzing Go benchmark results"; homepage = "https://cs.opensource.google/go/x/perf"; license = licenses.bsd3; platforms = platforms.all; maintainers = with maintainers; [ pbsds ]; }; }