Remove vendoring of gomod2nix
This commit is contained in:
parent
ba8042a21a
commit
11574aeb19
GPG Key ID:
E9602264D639FF68
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@ -4,10 +4,16 @@ let
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url = "https://github.com/NixOS/nixpkgs/archive/d2db10786f27619d5519b12b03fb10dc8ca95e59.tar.gz";
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sha256 = "0s9gigs3ylnq5b94rfcmxvrmmr3kzhs497gksajf638d5bv7zcl5";
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};
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gomod2nix = fetchGit {
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url = "https://github.com/tweag/gomod2nix.git";
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ref = "master";
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rev = "40d32f82fc60d66402eb0972e6e368aeab3faf58";
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};
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pkgs = import pkgsSrc {
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overlays = [
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(self: super: {
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gomod = super.callPackage ./nix/builder { };
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gomod = super.callPackage "${gomod2nix}/builder/" { };
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})
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];
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};
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@ -1,387 +0,0 @@
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{ stdenv
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, stdenvNoCC
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, runCommand
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, buildEnv
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, lib
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, fetchgit
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, removeReferencesTo
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, jq
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, cacert
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, pkgs
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, pkgsBuildBuild
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}:
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let
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inherit (builtins) substring toJSON hasAttr trace split readFile elemAt;
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inherit (lib)
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concatStringsSep replaceStrings removePrefix optionalString pathExists
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optional concatMapStrings fetchers filterAttrs mapAttrs mapAttrsToList
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warnIf optionalAttrs platforms
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;
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parseGoMod = import ./parser.nix;
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removeExpr = refs: ''remove-references-to ${concatMapStrings (ref: " -t ${ref}") refs}'';
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# Internal only build-time attributes
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internal =
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let
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mkInternalPkg = name: src: pkgsBuildBuild.runCommand "gomod2nix-${name}"
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{
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inherit (pkgsBuildBuild.go) GOOS GOARCH;
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nativeBuildInputs = [ pkgsBuildBuild.go ];
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} ''
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export HOME=$(mktemp -d)
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cp ${src} src.go
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go build -o $out src.go
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'';
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in
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{
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# Create a symlink tree of vendored sources
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symlink = mkInternalPkg "symlink" ./symlink/symlink.go;
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# Install development dependencies from tools.go
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install = mkInternalPkg "symlink" ./install/install.go;
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};
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fetchGoModule =
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{ hash
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, goPackagePath
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, version
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, go ? pkgs.go
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}:
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stdenvNoCC.mkDerivation {
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name = "${baseNameOf goPackagePath}_${version}";
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builder = ./fetch.sh;
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inherit goPackagePath version;
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nativeBuildInputs = [ go jq ];
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outputHashMode = "recursive";
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outputHashAlgo = null;
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outputHash = hash;
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SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
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impureEnvVars = fetchers.proxyImpureEnvVars ++ [ "GOPROXY" ];
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};
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mkVendorEnv =
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{ go
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, modulesStruct
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, localReplaceCommands ? [ ]
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, defaultPackage ? ""
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, goMod
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, pwd
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}:
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let
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localReplaceCommands =
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let
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localReplaceAttrs = filterAttrs (n: v: hasAttr "path" v) goMod.replace;
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commands = (
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mapAttrsToList
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(name: value: (
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''
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mkdir -p $(dirname vendor/${name})
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ln -s ${pwd + "/${value.path}"} vendor/${name}
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''
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))
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localReplaceAttrs);
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in
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if goMod != null then commands else [ ];
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sources = mapAttrs
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(goPackagePath: meta: fetchGoModule {
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goPackagePath = meta.replaced or goPackagePath;
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inherit (meta) version hash;
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inherit go;
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})
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modulesStruct.mod;
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in
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runCommand "vendor-env"
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{
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nativeBuildInputs = [ go ];
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json = toJSON (filterAttrs (n: _: n != defaultPackage) modulesStruct.mod);
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sources = toJSON (filterAttrs (n: _: n != defaultPackage) sources);
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passthru = {
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inherit sources;
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};
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passAsFile = [ "json" "sources" ];
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}
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(
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''
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mkdir vendor
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export GOCACHE=$TMPDIR/go-cache
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export GOPATH="$TMPDIR/go"
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${internal.symlink}
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${concatStringsSep "\n" localReplaceCommands}
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mv vendor $out
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''
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);
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# Select Go attribute based on version specified in go.mod
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selectGo = attrs: goMod: attrs.go or (if goMod == null then pkgs.go else
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(
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let
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goVersion = goMod.go;
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goAttr = "go_" + (replaceStrings [ "." ] [ "_" ] goVersion);
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in
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(
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if hasAttr goAttr pkgs then pkgs.${goAttr}
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else trace "go.mod specified Go version ${goVersion} but doesn't exist. Falling back to ${pkgs.go.version}." pkgs.go
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)
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));
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# Strip the rubbish that Go adds to versions, and fall back to a version based on the date if it's a placeholder value
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stripVersion = version:
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let
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parts = elemAt (split "(\\+|-)" (removePrefix "v" version));
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v = parts 0;
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d = parts 2;
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in
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if v != "0.0.0" then v else "unstable-" + (concatStringsSep "-" [
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(substring 0 4 d)
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(substring 4 2 d)
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(substring 6 2 d)
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]);
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mkGoEnv =
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{ pwd
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}@attrs:
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let
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goMod = parseGoMod (readFile "${toString pwd}/go.mod");
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modulesStruct = fromTOML (readFile "${toString pwd}/gomod2nix.toml");
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go = selectGo attrs goMod;
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vendorEnv = mkVendorEnv {
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inherit go modulesStruct pwd goMod;
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};
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in
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stdenv.mkDerivation (removeAttrs attrs [ "pwd" ] // {
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name = "${baseNameOf goMod.module}-env";
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dontUnpack = true;
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dontConfigure = true;
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dontInstall = true;
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propagatedNativeBuildInputs = [ go ];
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GO_NO_VENDOR_CHECKS = "1";
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GO111MODULE = "on";
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GOFLAGS = "-mod=vendor";
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preferLocalBuild = true;
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buildPhase = ''
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mkdir $out
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export GOCACHE=$TMPDIR/go-cache
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export GOPATH="$out"
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export GOSUMDB=off
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export GOPROXY=off
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'' + optionalString (pathExists (pwd + "/tools.go")) ''
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mkdir source
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cp ${pwd + "/go.mod"} source/go.mod
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cp ${pwd + "/go.sum"} source/go.sum
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cp ${pwd + "/tools.go"} source/tools.go
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cd source
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ln -s ${vendorEnv} vendor
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${internal.install}
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'';
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});
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buildGoApplication =
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{ modules ? pwd + "/gomod2nix.toml"
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, src ? pwd
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, pwd ? null
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, nativeBuildInputs ? [ ]
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, allowGoReference ? false
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, meta ? { }
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, passthru ? { }
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, tags ? [ ]
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# needed for buildFlags{,Array} warning
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, buildFlags ? ""
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, buildFlagsArray ? ""
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, ...
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}@attrs:
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let
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modulesStruct = fromTOML (readFile modules);
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goModPath = "${toString pwd}/go.mod";
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goMod =
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if pwd != null && pathExists goModPath
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then parseGoMod (readFile goModPath)
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else null;
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go = selectGo attrs goMod;
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removeReferences = [ ] ++ optional (!allowGoReference) go;
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defaultPackage = modulesStruct.goPackagePath or "";
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vendorEnv = mkVendorEnv {
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inherit go modulesStruct defaultPackage goMod pwd;
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};
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in
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warnIf (buildFlags != "" || buildFlagsArray != "")
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"Use the `ldflags` and/or `tags` attributes instead of `buildFlags`/`buildFlagsArray`"
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stdenv.mkDerivation
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(optionalAttrs (defaultPackage != "")
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{
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pname = attrs.pname or baseNameOf defaultPackage;
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version = stripVersion (modulesStruct.mod.${defaultPackage}).version;
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src = vendorEnv.passthru.sources.${defaultPackage};
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} // optionalAttrs (hasAttr "subPackages" modulesStruct) {
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subPackages = modulesStruct.subPackages;
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} // attrs // {
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nativeBuildInputs = [ removeReferencesTo go ] ++ nativeBuildInputs;
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inherit (go) GOOS GOARCH;
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GO_NO_VENDOR_CHECKS = "1";
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GO111MODULE = "on";
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GOFLAGS = "-mod=vendor";
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configurePhase = attrs.configurePhase or ''
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runHook preConfigure
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export GOCACHE=$TMPDIR/go-cache
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export GOPATH="$TMPDIR/go"
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export GOSUMDB=off
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export GOPROXY=off
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cd "$modRoot"
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if [ -n "${vendorEnv}" ]; then
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rm -rf vendor
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ln -s ${vendorEnv} vendor
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fi
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runHook postConfigure
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'';
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buildPhase = attrs.buildPhase or ''
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runHook preBuild
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exclude='\(/_\|examples\|Godeps\|testdata'
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if [[ -n "$excludedPackages" ]]; then
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IFS=' ' read -r -a excludedArr <<<$excludedPackages
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printf -v excludedAlternates '%s\\|' "''${excludedArr[@]}"
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excludedAlternates=''${excludedAlternates%\\|} # drop final \| added by printf
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exclude+='\|'"$excludedAlternates"
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fi
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exclude+='\)'
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buildGoDir() {
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local d; local cmd;
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cmd="$1"
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d="$2"
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. $TMPDIR/buildFlagsArray
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local OUT
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if ! OUT="$(go $cmd $buildFlags "''${buildFlagsArray[@]}" ''${tags:+-tags=${concatStringsSep "," tags}} ''${ldflags:+-ldflags="$ldflags"} -v -p $NIX_BUILD_CORES $d 2>&1)"; then
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if echo "$OUT" | grep -qE 'imports .*?: no Go files in'; then
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echo "$OUT" >&2
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return 1
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fi
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if ! echo "$OUT" | grep -qE '(no( buildable| non-test)?|build constraints exclude all) Go (source )?files'; then
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echo "$OUT" >&2
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return 1
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fi
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fi
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if [ -n "$OUT" ]; then
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echo "$OUT" >&2
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fi
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return 0
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}
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getGoDirs() {
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local type;
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type="$1"
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if [ -n "$subPackages" ]; then
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echo "$subPackages" | sed "s,\(^\| \),\1./,g"
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else
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find . -type f -name \*$type.go -exec dirname {} \; | grep -v "/vendor/" | sort --unique | grep -v "$exclude"
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fi
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}
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if (( "''${NIX_DEBUG:-0}" >= 1 )); then
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buildFlagsArray+=(-x)
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fi
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if [ ''${#buildFlagsArray[@]} -ne 0 ]; then
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declare -p buildFlagsArray > $TMPDIR/buildFlagsArray
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else
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touch $TMPDIR/buildFlagsArray
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fi
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if [ -z "$enableParallelBuilding" ]; then
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export NIX_BUILD_CORES=1
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fi
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for pkg in $(getGoDirs ""); do
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echo "Building subPackage $pkg"
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buildGoDir install "$pkg"
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done
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'' + optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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# normalize cross-compiled builds w.r.t. native builds
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(
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dir=$GOPATH/bin/${go.GOOS}_${go.GOARCH}
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if [[ -n "$(shopt -s nullglob; echo $dir/*)" ]]; then
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mv $dir/* $dir/..
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fi
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if [[ -d $dir ]]; then
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rmdir $dir
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fi
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)
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'' + ''
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runHook postBuild
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'';
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doCheck = attrs.doCheck or true;
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checkPhase = attrs.checkPhase or ''
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runHook preCheck
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for pkg in $(getGoDirs test); do
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buildGoDir test $checkFlags "$pkg"
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done
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runHook postCheck
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'';
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installPhase = attrs.installPhase or ''
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runHook preInstall
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mkdir -p $out
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dir="$GOPATH/bin"
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[ -e "$dir" ] && cp -r $dir $out
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runHook postInstall
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'';
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preFixup = (attrs.preFixup or "") + ''
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find $out/{bin,libexec,lib} -type f 2>/dev/null | xargs -r ${removeExpr removeReferences} || true
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'';
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strictDeps = true;
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disallowedReferences = optional (!allowGoReference) go;
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passthru = { inherit go vendorEnv; } // passthru;
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meta = { platforms = go.meta.platforms or platforms.all; } // meta;
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});
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in
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{
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inherit buildGoApplication mkGoEnv;
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}
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@ -1,13 +0,0 @@
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source $stdenv/setup
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export HOME=$(mktemp -d)
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# Call once first outside of subshell for better error reporting
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go mod download "$goPackagePath@$version"
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dir=$(go mod download --json "$goPackagePath@$version" | jq -r .Dir)
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chmod -R +w $dir
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find $dir -iname ".ds_store" | xargs -r rm -rf
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cp -r $dir $out
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@ -1,57 +0,0 @@
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package main
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import (
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"fmt"
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"go/parser"
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"go/token"
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"io"
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"os"
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"os/exec"
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"strconv"
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)
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const filename = "tools.go"
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func main() {
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fset := token.NewFileSet()
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var src []byte
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{
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f, err := os.Open(filename)
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if err != nil {
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panic(err)
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}
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src, err = io.ReadAll(f)
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if err != nil {
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panic(err)
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}
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}
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f, err := parser.ParseFile(fset, filename, src, parser.ImportsOnly)
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if err != nil {
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fmt.Println(err)
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return
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}
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for _, s := range f.Imports {
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path, err := strconv.Unquote(s.Path.Value)
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if err != nil {
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panic(err)
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}
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cmd := exec.Command("go", "install", path)
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fmt.Printf("Executing '%s'\n", cmd)
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err = cmd.Start()
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if err != nil {
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panic(err)
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}
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|
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err = cmd.Wait()
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if err != nil {
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panic(err)
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||||
}
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||||
}
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||||
}
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|
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@ -1,141 +0,0 @@
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# Parse go.mod in Nix
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# Returns a Nix structure with the contents of the go.mod passed in
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# in normalised form.
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let
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inherit (builtins) elemAt mapAttrs split foldl' match filter typeOf hasAttr length;
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# Strip lines with comments & other junk
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stripStr = s: elemAt (split "^ *" (elemAt (split " *$" s) 0)) 2;
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stripLines = initialLines: foldl' (acc: f: f acc) initialLines [
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# Strip comments
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(lines: map
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(l: stripStr (elemAt (splitString "//" l) 0))
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lines)
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||||
|
||||
# Strip leading tabs characters
|
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(lines: map (l: elemAt (match "(\t)?(.*)" l) 1) lines)
|
||||
|
||||
# Filter empty lines
|
||||
(filter (l: l != ""))
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];
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|
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# Parse lines into a structure
|
||||
parseLines = lines: (foldl'
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(acc: l:
|
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let
|
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m = match "([^ )]*) *(.*)" l;
|
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directive = elemAt m 0;
|
||||
rest = elemAt m 1;
|
||||
|
||||
# Maintain parser state (inside parens or not)
|
||||
inDirective =
|
||||
if rest == "(" then directive
|
||||
else if rest == ")" then null
|
||||
else acc.inDirective
|
||||
;
|
||||
|
||||
in
|
||||
{
|
||||
data = (acc.data // (
|
||||
if directive == "" && rest == ")" then { }
|
||||
else if inDirective != null && rest == "(" && ! hasAttr inDirective acc.data then {
|
||||
${inDirective} = { };
|
||||
}
|
||||
else if rest == "(" || rest == ")" then { }
|
||||
else if inDirective != null then {
|
||||
${inDirective} = acc.data.${inDirective} // { ${directive} = rest; };
|
||||
} else if directive == "replace" then
|
||||
(
|
||||
let
|
||||
segments = split " => " rest;
|
||||
getSegment = elemAt segments;
|
||||
in
|
||||
assert length segments == 3; {
|
||||
replace = acc.data.replace // {
|
||||
${getSegment 0} = "=> ${getSegment 2}";
|
||||
};
|
||||
}
|
||||
)
|
||||
else {
|
||||
${directive} = rest;
|
||||
}
|
||||
)
|
||||
);
|
||||
inherit inDirective;
|
||||
})
|
||||
{
|
||||
inDirective = null;
|
||||
data = {
|
||||
require = { };
|
||||
replace = { };
|
||||
exclude = { };
|
||||
};
|
||||
}
|
||||
lines
|
||||
).data;
|
||||
|
||||
normaliseDirectives = data: (
|
||||
let
|
||||
normaliseString = s:
|
||||
let
|
||||
m = builtins.match "([^ ]+) (.+)" s;
|
||||
in
|
||||
{
|
||||
${elemAt m 0} = elemAt m 1;
|
||||
};
|
||||
require = data.require or { };
|
||||
replace = data.replace or { };
|
||||
exclude = data.exclude or { };
|
||||
in
|
||||
data // {
|
||||
require =
|
||||
if typeOf require == "string" then normaliseString require
|
||||
else require;
|
||||
replace =
|
||||
if typeOf replace == "string" then normaliseString replace
|
||||
else replace;
|
||||
}
|
||||
);
|
||||
|
||||
parseVersion = ver:
|
||||
let
|
||||
m = elemAt (match "([^-]+)-?([^-]*)-?([^-]*)" ver);
|
||||
v = elemAt (match "([^+]+)\\+?(.*)" (m 0));
|
||||
in
|
||||
{
|
||||
version = v 0;
|
||||
versionSuffix = v 1;
|
||||
date = m 1;
|
||||
rev = m 2;
|
||||
};
|
||||
|
||||
parseReplace = data: (
|
||||
data // {
|
||||
replace =
|
||||
mapAttrs
|
||||
(_: v:
|
||||
let
|
||||
m = match "=> ([^ ]+) (.+)" v;
|
||||
m2 = match "=> (.*+)" v;
|
||||
in
|
||||
if m != null then {
|
||||
goPackagePath = elemAt m 0;
|
||||
version = elemAt m 1;
|
||||
} else {
|
||||
path = elemAt m2 0;
|
||||
})
|
||||
data.replace;
|
||||
}
|
||||
);
|
||||
|
||||
splitString = sep: s: filter (t: t != [ ]) (split sep s);
|
||||
|
||||
in
|
||||
contents:
|
||||
foldl' (acc: f: f acc) (splitString "\n" contents) [
|
||||
stripLines
|
||||
parseLines
|
||||
normaliseDirectives
|
||||
parseReplace
|
||||
]
|
||||
|
|
@ -1,110 +0,0 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"sort"
|
||||
)
|
||||
|
||||
type Package struct {
|
||||
GoPackagePath string `json:"-"`
|
||||
Version string `json:"version"`
|
||||
Hash string `json:"hash"`
|
||||
ReplacedPath string `json:"replaced,omitempty"`
|
||||
}
|
||||
|
||||
// type Output struct {
|
||||
// SchemaVersion int `json:"schema"`
|
||||
// Mod map[string]*Package `json:"mod"`
|
||||
// }
|
||||
|
||||
func main() {
|
||||
|
||||
// var output Output
|
||||
sources := make(map[string]string)
|
||||
pkgs := make(map[string]*Package)
|
||||
|
||||
{
|
||||
b, err := ioutil.ReadFile(os.Getenv("sourcesPath"))
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
err = json.Unmarshal(b, &sources)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
b, err := ioutil.ReadFile(os.Getenv("jsonPath"))
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
err = json.Unmarshal(b, &pkgs)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
keys := make([]string, 0, len(pkgs))
|
||||
for key := range pkgs {
|
||||
keys = append(keys, key)
|
||||
}
|
||||
sort.Strings(keys)
|
||||
|
||||
// Iterate, in reverse order
|
||||
for i := len(keys) - 1; i >= 0; i-- {
|
||||
key := keys[i]
|
||||
src := sources[key]
|
||||
|
||||
paths := []string{key}
|
||||
|
||||
for _, path := range paths {
|
||||
|
||||
vendorDir := filepath.Join("vendor", filepath.Dir(path))
|
||||
if err := os.MkdirAll(vendorDir, 0755); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
if _, err := os.Stat(filepath.Join("vendor", path)); err == nil {
|
||||
files, err := ioutil.ReadDir(src)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
for _, f := range files {
|
||||
innerSrc := filepath.Join(src, f.Name())
|
||||
dst := filepath.Join("vendor", path, f.Name())
|
||||
if err := os.Symlink(innerSrc, dst); err != nil {
|
||||
// assume it's an existing directory, try to link the directory content instead.
|
||||
// TODO should we do this recursively
|
||||
files, err := ioutil.ReadDir(innerSrc)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
for _, f := range files {
|
||||
if err := os.Symlink(filepath.Join(innerSrc, f.Name()), filepath.Join(dst, f.Name())); err != nil {
|
||||
fmt.Println("ignore symlink error", filepath.Join(innerSrc, f.Name()), filepath.Join(dst, f.Name()))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
continue
|
||||
}
|
||||
|
||||
// If the file doesn't already exist, just create a simple symlink
|
||||
err := os.Symlink(src, filepath.Join("vendor", path))
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue