depot/third_party/nixpkgs/pkgs/build-support/go/package.nix
Default email f34ce41345 Project import generated by Copybara.
GitOrigin-RevId: b73c2221a46c13557b1b3be9c2070cc42cf01eb3
2024-07-27 08:49:29 +02:00

294 lines
8.9 KiB
Nix

{ go, govers, lib, fetchgit, fetchhg, fetchbzr, rsync
, fetchFromGitHub, stdenv }:
{ buildInputs ? []
, nativeBuildInputs ? []
, passthru ? {}
, preFixup ? ""
, shellHook ? ""
# We want parallel builds by default
, enableParallelBuilding ? true
# Go import path of the package
, goPackagePath
# Go package aliases
, goPackageAliases ? [ ]
# Extra sources to include in the gopath
, extraSrcs ? [ ]
# Extra gopaths containing src subfolder
# with sources to include in the gopath
, extraSrcPaths ? [ ]
# go2nix dependency file
, goDeps ? null
# Whether to delete the vendor folder supplied with the source.
, deleteVendor ? false
, dontRenameImports ? false
# Do not enable this without good reason
# IE: programs coupled with the compiler
, allowGoReference ? false
, CGO_ENABLED ? go.CGO_ENABLED
, ldflags ? [ ]
, GOFLAGS ? [ ]
# needed for buildFlags{,Array} warning
, buildFlags ? ""
, buildFlagsArray ? ""
, meta ? {}, ... } @ args:
let
dep2src = goDep:
{
inherit (goDep) goPackagePath;
src = if goDep.fetch.type == "git" then
fetchgit {
inherit (goDep.fetch) url rev sha256;
}
else if goDep.fetch.type == "hg" then
fetchhg {
inherit (goDep.fetch) url rev sha256;
}
else if goDep.fetch.type == "bzr" then
fetchbzr {
inherit (goDep.fetch) url rev sha256;
}
else if goDep.fetch.type == "FromGitHub" then
fetchFromGitHub {
inherit (goDep.fetch) owner repo rev sha256;
}
else abort "Unrecognized package fetch type: ${goDep.fetch.type}";
};
importGodeps = { depsFile }:
map dep2src (import depsFile);
goPath = if goDeps != null then importGodeps { depsFile = goDeps; } ++ extraSrcs
else extraSrcs;
package = stdenv.mkDerivation (
(builtins.removeAttrs args [ "goPackageAliases" "disabled" "extraSrcs"]) // {
nativeBuildInputs = [ go ]
++ (lib.optional (!dontRenameImports) govers) ++ nativeBuildInputs;
buildInputs = buildInputs;
inherit (go) GOOS GOARCH GO386;
GOHOSTARCH = go.GOHOSTARCH or null;
GOHOSTOS = go.GOHOSTOS or null;
inherit CGO_ENABLED enableParallelBuilding;
GO111MODULE = "off";
GOTOOLCHAIN = "local";
GOFLAGS = GOFLAGS ++ lib.optional (!allowGoReference) "-trimpath" ;
GOARM = toString (lib.intersectLists [(stdenv.hostPlatform.parsed.cpu.version or "")] ["5" "6" "7"]);
# If not set to an explicit value, set the buildid empty for reproducibility.
ldflags = ldflags ++ lib.optional (!lib.any (lib.hasPrefix "-buildid=") ldflags) "-buildid=";
configurePhase = args.configurePhase or (''
runHook preConfigure
# Extract the source
cd "$NIX_BUILD_TOP"
mkdir -p "go/src/$(dirname "$goPackagePath")"
mv "$sourceRoot" "go/src/$goPackagePath"
'' + lib.optionalString deleteVendor ''
if [ ! -d "go/src/$goPackagePath/vendor" ]; then
echo "vendor folder does not exist, 'deleteVendor' is not needed"
exit 10
else
rm -rf "go/src/$goPackagePath/vendor"
fi
'' + lib.optionalString (goDeps != null) ''
if [ -d "go/src/$goPackagePath/vendor" ]; then
echo "vendor folder exists, 'goDeps' is not needed"
exit 10
fi
'' + lib.flip lib.concatMapStrings goPath ({ src, goPackagePath }: ''
mkdir goPath
(cd goPath; unpackFile "${src}")
mkdir -p "go/src/$(dirname "${goPackagePath}")"
chmod -R u+w goPath/*
mv goPath/* "go/src/${goPackagePath}"
rmdir goPath
'') + (lib.optionalString (extraSrcPaths != []) ''
${rsync}/bin/rsync -a ${lib.concatMapStringsSep " " (p: "${p}/src") extraSrcPaths} go
'') + ''
export GOPATH=$NIX_BUILD_TOP/go:$GOPATH
export GOCACHE=$TMPDIR/go-cache
# currently pie is only enabled by default in pkgsMusl
# this will respect the `hardening{Disable,Enable}` flags if set
if [[ $NIX_HARDENING_ENABLE =~ "pie" ]]; then
export GOFLAGS="-buildmode=pie $GOFLAGS"
fi
runHook postConfigure
'');
renameImports = args.renameImports or (
let
inputsWithAliases = lib.filter (x: x ? goPackageAliases)
(buildInputs ++ (args.propagatedBuildInputs or [ ]));
rename = to: from: "echo Renaming '${from}' to '${to}'; govers -d -m ${from} ${to}";
renames = p: lib.concatMapStringsSep "\n" (rename p.goPackagePath) p.goPackageAliases;
in lib.concatMapStringsSep "\n" renames inputsWithAliases);
buildPhase = args.buildPhase or (''
runHook preBuild
runHook renameImports
exclude='\(/_\|examples\|Godeps\|testdata'
if [[ -n "$excludedPackages" ]]; then
IFS=' ' read -r -a excludedArr <<<$excludedPackages
printf -v excludedAlternates '%s\\|' "''${excludedArr[@]}"
excludedAlternates=''${excludedAlternates%\\|} # drop final \| added by printf
exclude+='\|'"$excludedAlternates"
fi
exclude+='\)'
buildGoDir() {
local cmd="$1" dir="$2"
. $TMPDIR/buildFlagsArray
declare -a flags
flags+=($buildFlags "''${buildFlagsArray[@]}")
flags+=(''${tags:+-tags=''${tags// /,}})
flags+=(''${ldflags:+-ldflags="$ldflags"})
flags+=("-p" "$NIX_BUILD_CORES")
if [ "$cmd" = "test" ]; then
flags+=(-vet=off)
flags+=($checkFlags)
fi
local OUT
if ! OUT="$(go $cmd "''${flags[@]}" $dir 2>&1)"; then
if ! echo "$OUT" | grep -qE '(no( buildable| non-test)?|build constraints exclude all) Go (source )?files'; then
echo "$OUT" >&2
return 1
fi
fi
if [ -n "$OUT" ]; then
echo "$OUT" >&2
fi
return 0
}
getGoDirs() {
local type;
type="$1"
if [ -n "$subPackages" ]; then
echo "$subPackages" | sed "s,\(^\| \),\1$goPackagePath/,g"
else
pushd "$NIX_BUILD_TOP/go/src" >/dev/null
find "$goPackagePath" -type f -name \*$type.go -exec dirname {} \; | grep -v "/vendor/" | sort | uniq | grep -v "$exclude"
popd >/dev/null
fi
}
if (( "''${NIX_DEBUG:-0}" >= 1 )); then
buildFlagsArray+=(-x)
fi
if [ ''${#buildFlagsArray[@]} -ne 0 ]; then
declare -p buildFlagsArray > $TMPDIR/buildFlagsArray
else
touch $TMPDIR/buildFlagsArray
fi
if [ -z "$enableParallelBuilding" ]; then
export NIX_BUILD_CORES=1
fi
for pkg in $(getGoDirs ""); do
echo "Building subPackage $pkg"
buildGoDir install "$pkg"
done
'' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
# normalize cross-compiled builds w.r.t. native builds
(
dir=$NIX_BUILD_TOP/go/bin/${go.GOOS}_${go.GOARCH}
if [[ -n "$(shopt -s nullglob; echo $dir/*)" ]]; then
mv $dir/* $dir/..
fi
if [[ -d $dir ]]; then
rmdir $dir
fi
)
'' + ''
runHook postBuild
'');
doCheck = args.doCheck or false;
checkPhase = args.checkPhase or ''
runHook preCheck
# We do not set trimpath for tests, in case they reference test assets
export GOFLAGS=''${GOFLAGS//-trimpath/}
for pkg in $(getGoDirs test); do
buildGoDir test "$pkg"
done
runHook postCheck
'';
installPhase = args.installPhase or ''
runHook preInstall
mkdir -p $out
dir="$NIX_BUILD_TOP/go/bin"
[ -e "$dir" ] && cp -r $dir $out
runHook postInstall
'';
strictDeps = true;
shellHook = ''
d=$(mktemp -d "--suffix=-$name")
'' + toString (map (dep: ''
mkdir -p "$d/src/$(dirname "${dep.goPackagePath}")"
ln -s "${dep.src}" "$d/src/${dep.goPackagePath}"
''
) goPath) + ''
export GOPATH=${lib.concatStringsSep ":" ( ["$d"] ++ ["$GOPATH"] ++ ["$PWD"] ++ extraSrcPaths)}
'' + shellHook;
disallowedReferences = lib.optional (!allowGoReference) go
++ lib.optional (!dontRenameImports) govers;
passthru = passthru //
{ inherit go; } //
lib.optionalAttrs (goPackageAliases != []) { inherit goPackageAliases; };
meta = {
# Add default meta information
homepage = "https://${goPackagePath}";
platforms = go.meta.platforms or lib.platforms.all;
} // meta;
});
in
lib.warnIf (buildFlags != "" || buildFlagsArray != "")
"`buildFlags`/`buildFlagsArray` are deprecated and will be removed in the 24.11 release. Use the `ldflags` and/or `tags` attributes instead"
lib.warnIf (builtins.elem "-buildid=" ldflags) "`-buildid=` is set by default as ldflag by buildGoModule"
lib.warnIf (builtins.elem "-trimpath" GOFLAGS) "`-trimpath` is added by default to GOFLAGS by buildGoModule when allowGoReference isn't set to true"
lib.warn '''buildGoPackage' is deprecated and will be removed for the 25.05 release.
Please use 'buildGoModule' instead. Tips for migration can be found in the Go section of the nixpkgs manual.''
package