Set up Nix expressions
parent
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commit
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# This file has been generated by node2nix 1.2.0. Do not edit!
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{pkgs ? import <nixpkgs> {
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inherit system;
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}, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-6_x"}:
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let
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nodeEnv = import ./node-env.nix {
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inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
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inherit nodejs;
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};
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in
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import ./node-packages.nix {
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inherit (pkgs) fetchurl fetchgit;
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inherit nodeEnv;
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}
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# This file originates from node2nix
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{stdenv, nodejs, python2, utillinux, runCommand, writeTextFile}:
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let
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python = if nodejs ? python then nodejs.python else python2;
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# Create a tar wrapper that filters all the 'Ignoring unknown extended header keyword' noise
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tarWrapper = runCommand "tarWrapper" {} ''
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mkdir -p $out/bin
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cat > $out/bin/tar <<EOF
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#! ${stdenv.shell} -e
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$(type -p tar) "\$@" --warning=no-unknown-keyword
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EOF
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chmod +x $out/bin/tar
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'';
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# Function that generates a TGZ file from a NPM project
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buildNodeSourceDist =
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{ name, version, src, ... }:
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stdenv.mkDerivation {
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name = "node-tarball-${name}-${version}";
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inherit src;
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buildInputs = [ nodejs ];
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buildPhase = ''
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export HOME=$TMPDIR
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tgzFile=$(npm pack)
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'';
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installPhase = ''
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mkdir -p $out/tarballs
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mv $tgzFile $out/tarballs
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mkdir -p $out/nix-support
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echo "file source-dist $out/tarballs/$tgzFile" >> $out/nix-support/hydra-build-products
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'';
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};
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includeDependencies = {dependencies}:
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stdenv.lib.optionalString (dependencies != [])
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(stdenv.lib.concatMapStrings (dependency:
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''
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# Bundle the dependencies of the package
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mkdir -p node_modules
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cd node_modules
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# Only include dependencies if they don't exist. They may also be bundled in the package.
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if [ ! -e "${dependency.name}" ]
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then
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${composePackage dependency}
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fi
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cd ..
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''
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) dependencies);
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# Recursively composes the dependencies of a package
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composePackage = { name, packageName, src, dependencies ? [], ... }@args:
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''
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DIR=$(pwd)
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cd $TMPDIR
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unpackFile ${src}
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# Make the base dir in which the target dependency resides first
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mkdir -p "$(dirname "$DIR/${packageName}")"
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if [ -f "${src}" ]
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then
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# Figure out what directory has been unpacked
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packageDir="$(find . -maxdepth 1 -type d | tail -1)"
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# Restore write permissions to make building work
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find "$packageDir" -type d -print0 | xargs -0 chmod u+x
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chmod -R u+w "$packageDir"
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# Move the extracted tarball into the output folder
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mv "$packageDir" "$DIR/${packageName}"
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elif [ -d "${src}" ]
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then
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# Get a stripped name (without hash) of the source directory.
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# On old nixpkgs it's already set internally.
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if [ -z "$strippedName" ]
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then
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strippedName="$(stripHash ${src})"
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fi
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# Restore write permissions to make building work
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chmod -R u+w "$strippedName"
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# Move the extracted directory into the output folder
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mv "$strippedName" "$DIR/${packageName}"
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fi
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# Unset the stripped name to not confuse the next unpack step
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unset strippedName
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# Include the dependencies of the package
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cd "$DIR/${packageName}"
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${includeDependencies { inherit dependencies; }}
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cd ..
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${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
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'';
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pinpointDependencies = {dependencies, production}:
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let
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pinpointDependenciesFromPackageJSON = writeTextFile {
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name = "pinpointDependencies.js";
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text = ''
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var fs = require('fs');
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var path = require('path');
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function resolveDependencyVersion(location, name) {
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if(location == process.env['NIX_STORE']) {
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return null;
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} else {
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var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json");
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if(fs.existsSync(dependencyPackageJSON)) {
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var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON));
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if(dependencyPackageObj.name == name) {
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return dependencyPackageObj.version;
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}
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} else {
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return resolveDependencyVersion(path.resolve(location, ".."), name);
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}
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}
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}
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function replaceDependencies(dependencies) {
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if(typeof dependencies == "object" && dependencies !== null) {
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for(var dependency in dependencies) {
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var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency);
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if(resolvedVersion === null) {
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process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n");
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} else {
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dependencies[dependency] = resolvedVersion;
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}
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}
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}
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}
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/* Read the package.json configuration */
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var packageObj = JSON.parse(fs.readFileSync('./package.json'));
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/* Pinpoint all dependencies */
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replaceDependencies(packageObj.dependencies);
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if(process.argv[2] == "development") {
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replaceDependencies(packageObj.devDependencies);
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}
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replaceDependencies(packageObj.optionalDependencies);
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/* Write the fixed package.json file */
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fs.writeFileSync("package.json", JSON.stringify(packageObj, null, 2));
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'';
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};
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in
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''
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node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"}
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${stdenv.lib.optionalString (dependencies != [])
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''
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if [ -d node_modules ]
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then
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cd node_modules
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${stdenv.lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies}
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cd ..
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fi
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''}
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'';
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# Recursively traverses all dependencies of a package and pinpoints all
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# dependencies in the package.json file to the versions that are actually
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# being used.
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pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args:
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''
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if [ -d "${packageName}" ]
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then
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cd "${packageName}"
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${pinpointDependencies { inherit dependencies production; }}
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cd ..
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${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
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fi
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'';
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# Extract the Node.js source code which is used to compile packages with
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# native bindings
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nodeSources = runCommand "node-sources" {} ''
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tar --no-same-owner --no-same-permissions -xf ${nodejs.src}
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mv node-* $out
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'';
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# Builds and composes an NPM package including all its dependencies
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buildNodePackage = { name, packageName, version, dependencies ? [], production ? true, npmFlags ? "", dontNpmInstall ? false, preRebuild ? "", ... }@args:
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stdenv.lib.makeOverridable stdenv.mkDerivation (builtins.removeAttrs args [ "dependencies" ] // {
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name = "node-${name}-${version}";
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buildInputs = [ tarWrapper python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];
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dontStrip = args.dontStrip or true; # Striping may fail a build for some package deployments
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inherit dontNpmInstall preRebuild;
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unpackPhase = args.unpackPhase or "true";
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buildPhase = args.buildPhase or "true";
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compositionScript = composePackage args;
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pinpointDependenciesScript = pinpointDependenciesOfPackage args;
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passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
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installPhase = args.installPhase or ''
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# Create and enter a root node_modules/ folder
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mkdir -p $out/lib/node_modules
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cd $out/lib/node_modules
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# Compose the package and all its dependencies
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source $compositionScriptPath
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# Pinpoint the versions of all dependencies to the ones that are actually being used
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echo "pinpointing versions of dependencies..."
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source $pinpointDependenciesScriptPath
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# Patch the shebangs of the bundled modules to prevent them from
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# calling executables outside the Nix store as much as possible
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patchShebangs .
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# Deploy the Node.js package by running npm install. Since the
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# dependencies have been provided already by ourselves, it should not
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# attempt to install them again, which is good, because we want to make
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# it Nix's responsibility. If it needs to install any dependencies
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# anyway (e.g. because the dependency parameters are
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# incomplete/incorrect), it fails.
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#
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# The other responsibilities of NPM are kept -- version checks, build
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# steps, postprocessing etc.
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export HOME=$TMPDIR
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cd "${packageName}"
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runHook preRebuild
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npm --registry http://www.example.com --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild
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if [ "$dontNpmInstall" != "1" ]
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then
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# NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
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rm -f npm-shrinkwrap.json
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npm --registry http://www.example.com --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install
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fi
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# Create symlink to the deployed executable folder, if applicable
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if [ -d "$out/lib/node_modules/.bin" ]
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then
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ln -s $out/lib/node_modules/.bin $out/bin
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fi
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# Create symlinks to the deployed manual page folders, if applicable
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if [ -d "$out/lib/node_modules/${packageName}/man" ]
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then
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mkdir -p $out/share
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for dir in "$out/lib/node_modules/${packageName}/man/"*
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do
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mkdir -p $out/share/man/$(basename "$dir")
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for page in "$dir"/*
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do
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ln -s $page $out/share/man/$(basename "$dir")
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done
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done
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fi
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# Run post install hook, if provided
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runHook postInstall
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'';
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});
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# Builds a development shell
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buildNodeShell = { name, packageName, version, src, dependencies ? [], production ? true, npmFlags ? "", dontNpmInstall ? false, ... }@args:
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let
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nodeDependencies = stdenv.mkDerivation {
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name = "node-dependencies-${name}-${version}";
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buildInputs = [ tarWrapper python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];
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includeScript = includeDependencies { inherit dependencies; };
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pinpointDependenciesScript = pinpointDependenciesOfPackage args;
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passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
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buildCommand = ''
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mkdir -p $out/lib
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cd $out/lib
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source $includeScriptPath
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# Pinpoint the versions of all dependencies to the ones that are actually being used
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echo "pinpointing versions of dependencies..."
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source $pinpointDependenciesScriptPath
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# Create fake package.json to make the npm commands work properly
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cat > package.json <<EOF
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{
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"name": "${packageName}",
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"version": "${version}"
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}
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EOF
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# Patch the shebangs of the bundled modules to prevent them from
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# calling executables outside the Nix store as much as possible
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patchShebangs .
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export HOME=$PWD
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npm --registry http://www.example.com --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild
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${stdenv.lib.optionalString (!dontNpmInstall) ''
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# NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
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rm -f npm-shrinkwrap.json
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npm --registry http://www.example.com --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install
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''}
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ln -s $out/lib/node_modules/.bin $out/bin
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'';
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};
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in
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stdenv.lib.makeOverridable stdenv.mkDerivation {
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name = "node-shell-${name}-${version}";
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buildInputs = [ python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];
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buildCommand = ''
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mkdir -p $out/bin
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cat > $out/bin/shell <<EOF
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#! ${stdenv.shell} -e
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$shellHook
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exec ${stdenv.shell}
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EOF
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chmod +x $out/bin/shell
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'';
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# Provide the dependencies in a development shell through the NODE_PATH environment variable
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inherit nodeDependencies;
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shellHook = stdenv.lib.optionalString (dependencies != []) ''
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export NODE_PATH=$nodeDependencies/lib/node_modules
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'';
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};
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in
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{ inherit buildNodeSourceDist buildNodePackage buildNodeShell; }
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1 @@
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nix-shell -p nodePackages.node2nix --run "node2nix -6 --pkg-name nodejs-6_x"
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Loading…
Reference in New Issue