357d2530e5
Inspired by https://github.com/NixOS/nixpkgs/pull/387725#issuecomment-2704943777, script is based on https://github.com/NixOS/nixpkgs/pull/336172 using what i learned in https://github.com/NixOS/nixpkgs/pull/386865, part of https://github.com/NixOS/nixpkgs/issues/346453 Should be zero rebuilds. All candidates were made using: ```shell export NIXPKGS_ALLOW_UNFREE=1 export NIXPKGS_ALLOW_INSECURE=1 export NIXPKGS_ALLOW_BROKEN=1 git-wait restore . test -s packages.json || ( set -x; time nix-env --extra-experimental-features no-url-literals --option system x86_64-linux -f ./. -qaP --json --meta --drv-path --out-path --show-trace --no-allow-import-from-derivation --arg config '{ allowAliases = false; }' > packages.json ) list_attrpath_fname_col() { jq <packages.json 'to_entries[] | select(.value.meta.position==null|not) | "\(.key)\t\(.value.meta.position)"' -r | sed -e "s#\t$(realpath .)/#\t#" | sed -e 's#:\([0-9]*\)$#\t\1#' | grep . | grep -iv haskell | grep -iv /top-level/ | grep -iv chicken | grep pkgs/by-name/ | grep -iv build | grep -E '/(package|default)\.nix' } FLOCKDIR="$(mktemp -d)" N_WORKERS=4 while read attrpath fname col; do grep -qE 'repo *= *("\$\{pname\}"|pname);' "$fname" || continue echo | ( # mutex on fname flock --nonblock 200 || { >&2 echo "failed to aquire lock for $fname" exit 1 } echo "$attrpath" data="$(nix eval --impure --expr 'with import ./. {}; { inherit ('"$attrpath"') pname drvPath passthru meta; drvPath2='"$attrpath"'.src.drvPath; }' --json)" || exit test -n "$data" || exit pname="$(jq <<<"$data" .pname -r)" test -n "$pname" || exit (set -x sd -F '${pname}' "$pname" "$fname" sd -F ' = pname;' " = \"$pname\";" "$fname" ) data2="$(nix eval --impure --expr 'with import ./. {}; { inherit ('"$attrpath"') pname drvPath passthru meta; drvPath2='"$attrpath"'.src.drvPath; }' --json)" if [[ "$data" = "$data2" ]]; then (set -x; git-wait add "$fname") else (set -x; git-wait restore "$fname") exit fi (set -x sd -F ' rec {' ' {' "$fname" ) data3="$(nix eval --impure --expr 'with import ./. {}; { inherit ('"$attrpath"') pname drvPath passthru meta; drvPath2='"$attrpath"'.src.drvPath; }' --json 2>/dev/nul)" if [[ "$data" = "$data3" ]]; then (set -x; git-wait add "$fname") else (set -x; git-wait restore "$fname") fi ) 200>"$FLOCKDIR"/"$(sha256sum - <<<"$fname" | cut -d' ' -f1)".lock & while [[ $(jobs -p | wc -l) -ge $N_WORKERS ]]; do wait -n < <(jobs -p) || true done done < <(list_attrpath_fname_col) wait git restore . time nix-env --extra-experimental-features no-url-literals --option system x86_64-linux -f ./. -qaP --json --meta --drv-path --out-path --show-trace --no-allow-import-from-derivation --arg config '{ allowAliases = false; }' > packages2.json ``` `diff packages{,2}.json` is empty, indicating that no package nor src derivation has changed. I checked and cherry-picked the changes using `GIT_DIFF_OPTS='-u15' git -c interactive.singleKey=true add --patch`
95 lines
1.9 KiB
Nix
95 lines
1.9 KiB
Nix
{
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lib,
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stdenv,
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fetchFromGitLab,
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fetchpatch,
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cmake,
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installShellFiles,
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bison,
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boost,
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flex,
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gmp,
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libxml2,
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mpfi,
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mpfr,
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scalp,
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sollya,
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wcpg,
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}:
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stdenv.mkDerivation {
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pname = "flopoco";
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version = "4.1.3";
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src = fetchFromGitLab {
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owner = "flopoco";
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repo = "flopoco";
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# flopoco-4.1.3 is not tagged on GitLab
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rev = "67598298207c9f3261c35679c8a5966480c4343c";
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hash = "sha256-0jRjg4/qciqBcjsi6BTbKO4VJkcoEzpC98wFkUOIGbI=";
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};
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patches = [
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(fetchpatch {
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name = "fix-clang-error-sin-cos.patch";
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url = "https://gitlab.com/flopoco/flopoco/-/commit/de3aa60ad19333952c176c2a2e51f12653ca736b.patch";
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postFetch = ''
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substituteInPlace $out \
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--replace 'FixSinCosCORDIC.hpp' 'CordicSinCos.hpp'
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'';
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sha256 = "sha256-BlamA/MZuuqqvGYto+jPeQPop6gwva0y394Odw8pdwg=";
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})
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(fetchpatch {
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name = "fix-clang-error-atan2.patch";
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url = "https://gitlab.com/flopoco/flopoco/-/commit/a3ffe2436c1b59ee0809b3772b74f2d43c6edb99.patch";
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sha256 = "sha256-dSYcufLHDL0p1V1ghmy6X6xse5f6mjUqckaVqLZnTaA=";
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})
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];
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postPatch = lib.optionalString (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) ''
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sed -i "s/-pg//g" {,src/Apps/TaMaDi/}CMakeLists.txt
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'';
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strictDeps = true;
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nativeBuildInputs = [
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bison
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cmake
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flex
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installShellFiles
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];
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buildInputs = [
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boost
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gmp
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libxml2
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mpfi
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mpfr
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scalp
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sollya
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wcpg
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];
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postBuild = ''
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./flopoco BuildAutocomplete
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'';
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installPhase = ''
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runHook preInstall
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install -Dm755 flopoco $out/bin/flopoco
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cp bin* fp* ieee* longacc* $out/bin/
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installShellCompletion --bash flopoco_autocomplete
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runHook postInstall
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'';
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meta = with lib; {
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description = "FloPoCo arithmetic core generator";
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homepage = "https://flopoco.org/";
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license = licenses.unfree;
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platforms = platforms.unix;
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maintainers = with maintainers; [ wegank ];
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};
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}
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