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|
{ go, govers, lib, fetchgit, fetchhg, fetchbzr, rsync
, removeReferencesTo, fetchFromGitHub, stdenv }:
{ buildInputs ? []
, nativeBuildInputs ? []
, passthru ? {}
, preFixup ? ""
, shellHook ? ""
# We want parallel builds by default
, enableParallelBuilding ? true
# Disabled flag
, disabled ? false
# 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
, dontRenameImports ? false
# Do not enable this without good reason
# IE: programs coupled with the compiler
, allowGoReference ? false
, meta ? {}, ... } @ args:
with builtins;
let
removeReferences = [ ] ++ lib.optional (!allowGoReference) go;
removeExpr = refs: ''remove-references-to ${lib.concatMapStrings (ref: " -t ${ref}") refs}'';
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: ${goDep.fetch.type}";
};
importGodeps = { depsFile }:
map dep2src (import depsFile);
goPath = if goDeps != null then importGodeps { depsFile = goDeps; } ++ extraSrcs
else extraSrcs;
package = stdenv.mkDerivation (
(builtins.removeAttrs args [ "goPackageAliases" "disabled" "extraSrcs"]) // {
nativeBuildInputs = [ removeReferencesTo go ]
++ (lib.optional (!dontRenameImports) govers) ++ nativeBuildInputs;
buildInputs = buildInputs;
inherit (go) GOOS GOARCH GO386 CGO_ENABLED;
GOHOSTARCH = go.GOHOSTARCH or null;
GOHOSTOS = go.GOHOSTOS or null;
GO111MODULE = "off";
GOARM = toString (stdenv.lib.intersectLists [(stdenv.hostPlatform.parsed.cpu.version or "")] ["5" "6" "7"]);
configurePhase = args.configurePhase or ''
runHook preConfigure
# Extract the source
cd "$NIX_BUILD_TOP"
mkdir -p "go/src/$(dirname "$goPackagePath")"
mv "$sourceRoot" "go/src/$goPackagePath"
'' + lib.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=$TMPDIR/go-cache
runHook postConfigure
'';
renameImports = args.renameImports or (
let
inputsWithAliases = lib.filter (x: x ? goPackageAliases)
(buildInputs ++ (args.propagatedBuildInputs or [ ]));
rename = to: from: "echo Renaming '${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
buildGoDir() {
local d; local cmd;
cmd="$1"
d="$2"
. $TMPDIR/buildFlagsArray
echo "$d" | grep -q "\(/_\|examples\|Godeps\)" && return 0
[ -n "$excludedPackages" ] && echo "$d" | grep -q "$excludedPackages" && return 0
local OUT
if ! OUT="$(go $cmd $buildFlags "''${buildFlagsArray[@]}" -v -p $NIX_BUILD_CORES $d 2>&1)"; then
if ! echo "$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
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 $(getGoDirs ""); do
buildGoDir install "$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
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
'';
preFixup = preFixup + ''
find $out/bin -type f -exec ${removeExpr removeReferences} '{}' + || true
'';
strictDeps = true;
shellHook = ''
d=$(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"] ++ ["$PWD"] ++ extraSrcPaths)}
'' + shellHook;
disallowedReferences = lib.optional (!allowGoReference) go
++ lib.optional (!dontRenameImports) govers;
passthru = passthru //
{ inherit go; } //
lib.optionalAttrs (goPackageAliases != []) { inherit goPackageAliases; };
enableParallelBuilding = enableParallelBuilding;
meta = {
# Add default meta information
homepage = "https://${goPackagePath}";
platforms = go.meta.platforms or lib.platforms.all;
} // meta;
});
in if disabled then
throw "${package.name} not supported for go ${go.meta.branch}"
else
package
|