From 803d2d9f35005f10eb43e4568b7f0444d3f9d6aa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= Date: Wed, 8 May 2019 11:36:57 +0200 Subject: Move node-env file to a generic location --- lib/node-env.nix | 542 ++++++++++++++++++++++++++++++++++ libs.nix | 2 + overlays/environments/immae-eu.nix | 1 + pkgs/crypto/iota-cli-app/default.nix | 2 +- pkgs/crypto/iota-cli-app/node-env.nix | 542 ---------------------------------- 5 files changed, 546 insertions(+), 543 deletions(-) create mode 100644 lib/node-env.nix delete mode 100644 pkgs/crypto/iota-cli-app/node-env.nix diff --git a/lib/node-env.nix b/lib/node-env.nix new file mode 100644 index 0000000..720e0cc --- /dev/null +++ b/lib/node-env.nix @@ -0,0 +1,542 @@ +# This file originates from node2nix + +{stdenv, nodejs, python2, utillinux, libtool, runCommand, writeTextFile}: + +let + python = if nodejs ? python then nodejs.python else python2; + + # Create a tar wrapper that filters all the 'Ignoring unknown extended header keyword' noise + tarWrapper = runCommand "tarWrapper" {} '' + mkdir -p $out/bin + + cat > $out/bin/tar <> $out/nix-support/hydra-build-products + ''; + }; + + includeDependencies = {dependencies}: + stdenv.lib.optionalString (dependencies != []) + (stdenv.lib.concatMapStrings (dependency: + '' + # Bundle the dependencies of the package + mkdir -p node_modules + cd node_modules + + # Only include dependencies if they don't exist. They may also be bundled in the package. + if [ ! -e "${dependency.name}" ] + then + ${composePackage dependency} + fi + + cd .. + '' + ) dependencies); + + # Recursively composes the dependencies of a package + composePackage = { name, packageName, src, dependencies ? [], ... }@args: + '' + DIR=$(pwd) + cd $TMPDIR + + unpackFile ${src} + + # Make the base dir in which the target dependency resides first + mkdir -p "$(dirname "$DIR/${packageName}")" + + if [ -f "${src}" ] + then + # Figure out what directory has been unpacked + packageDir="$(find . -maxdepth 1 -type d | tail -1)" + + # Restore write permissions to make building work + find "$packageDir" -type d -print0 | xargs -0 chmod u+x + chmod -R u+w "$packageDir" + + # Move the extracted tarball into the output folder + mv "$packageDir" "$DIR/${packageName}" + elif [ -d "${src}" ] + then + # Get a stripped name (without hash) of the source directory. + # On old nixpkgs it's already set internally. + if [ -z "$strippedName" ] + then + strippedName="$(stripHash ${src})" + fi + + # Restore write permissions to make building work + chmod -R u+w "$strippedName" + + # Move the extracted directory into the output folder + mv "$strippedName" "$DIR/${packageName}" + fi + + # Unset the stripped name to not confuse the next unpack step + unset strippedName + + # Include the dependencies of the package + cd "$DIR/${packageName}" + ${includeDependencies { inherit dependencies; }} + cd .. + ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} + ''; + + pinpointDependencies = {dependencies, production}: + let + pinpointDependenciesFromPackageJSON = writeTextFile { + name = "pinpointDependencies.js"; + text = '' + var fs = require('fs'); + var path = require('path'); + + function resolveDependencyVersion(location, name) { + if(location == process.env['NIX_STORE']) { + return null; + } else { + var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json"); + + if(fs.existsSync(dependencyPackageJSON)) { + var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON)); + + if(dependencyPackageObj.name == name) { + return dependencyPackageObj.version; + } + } else { + return resolveDependencyVersion(path.resolve(location, ".."), name); + } + } + } + + function replaceDependencies(dependencies) { + if(typeof dependencies == "object" && dependencies !== null) { + for(var dependency in dependencies) { + var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency); + + if(resolvedVersion === null) { + process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n"); + } else { + dependencies[dependency] = resolvedVersion; + } + } + } + } + + /* Read the package.json configuration */ + var packageObj = JSON.parse(fs.readFileSync('./package.json')); + + /* Pinpoint all dependencies */ + replaceDependencies(packageObj.dependencies); + if(process.argv[2] == "development") { + replaceDependencies(packageObj.devDependencies); + } + replaceDependencies(packageObj.optionalDependencies); + + /* Write the fixed package.json file */ + fs.writeFileSync("package.json", JSON.stringify(packageObj, null, 2)); + ''; + }; + in + '' + node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"} + + ${stdenv.lib.optionalString (dependencies != []) + '' + if [ -d node_modules ] + then + cd node_modules + ${stdenv.lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies} + cd .. + fi + ''} + ''; + + # Recursively traverses all dependencies of a package and pinpoints all + # dependencies in the package.json file to the versions that are actually + # being used. + + pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args: + '' + if [ -d "${packageName}" ] + then + cd "${packageName}" + ${pinpointDependencies { inherit dependencies production; }} + cd .. + ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} + fi + ''; + + # Extract the Node.js source code which is used to compile packages with + # native bindings + nodeSources = runCommand "node-sources" {} '' + tar --no-same-owner --no-same-permissions -xf ${nodejs.src} + mv node-* $out + ''; + + # Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty) + addIntegrityFieldsScript = writeTextFile { + name = "addintegrityfields.js"; + text = '' + var fs = require('fs'); + var path = require('path'); + + function augmentDependencies(baseDir, dependencies) { + for(var dependencyName in dependencies) { + var dependency = dependencies[dependencyName]; + + // Open package.json and augment metadata fields + var packageJSONDir = path.join(baseDir, "node_modules", dependencyName); + var packageJSONPath = path.join(packageJSONDir, "package.json"); + + if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored + console.log("Adding metadata fields to: "+packageJSONPath); + var packageObj = JSON.parse(fs.readFileSync(packageJSONPath)); + + if(dependency.integrity) { + packageObj["_integrity"] = dependency.integrity; + } else { + packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads. + } + + packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories. + fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2)); + } + + // Augment transitive dependencies + if(dependency.dependencies !== undefined) { + augmentDependencies(packageJSONDir, dependency.dependencies); + } + } + } + + if(fs.existsSync("./package-lock.json")) { + var packageLock = JSON.parse(fs.readFileSync("./package-lock.json")); + + if(packageLock.lockfileVersion !== 1) { + process.stderr.write("Sorry, I only understand lock file version 1!\n"); + process.exit(1); + } + + if(packageLock.dependencies !== undefined) { + augmentDependencies(".", packageLock.dependencies); + } + } + ''; + }; + + # Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes + reconstructPackageLock = writeTextFile { + name = "addintegrityfields.js"; + text = '' + var fs = require('fs'); + var path = require('path'); + + var packageObj = JSON.parse(fs.readFileSync("package.json")); + + var lockObj = { + name: packageObj.name, + version: packageObj.version, + lockfileVersion: 1, + requires: true, + dependencies: {} + }; + + function augmentPackageJSON(filePath, dependencies) { + var packageJSON = path.join(filePath, "package.json"); + if(fs.existsSync(packageJSON)) { + var packageObj = JSON.parse(fs.readFileSync(packageJSON)); + dependencies[packageObj.name] = { + version: packageObj.version, + integrity: "sha1-000000000000000000000000000=", + dependencies: {} + }; + processDependencies(path.join(filePath, "node_modules"), dependencies[packageObj.name].dependencies); + } + } + + function processDependencies(dir, dependencies) { + if(fs.existsSync(dir)) { + var files = fs.readdirSync(dir); + + files.forEach(function(entry) { + var filePath = path.join(dir, entry); + var stats = fs.statSync(filePath); + + if(stats.isDirectory()) { + if(entry.substr(0, 1) == "@") { + // When we encounter a namespace folder, augment all packages belonging to the scope + var pkgFiles = fs.readdirSync(filePath); + + pkgFiles.forEach(function(entry) { + if(stats.isDirectory()) { + var pkgFilePath = path.join(filePath, entry); + augmentPackageJSON(pkgFilePath, dependencies); + } + }); + } else { + augmentPackageJSON(filePath, dependencies); + } + } + }); + } + } + + processDependencies("node_modules", lockObj.dependencies); + + fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2)); + ''; + }; + + # Builds and composes an NPM package including all its dependencies + buildNodePackage = + { name + , packageName + , version + , dependencies ? [] + , buildInputs ? [] + , production ? true + , npmFlags ? "" + , dontNpmInstall ? false + , bypassCache ? false + , preRebuild ? "" + , dontStrip ? true + , unpackPhase ? "true" + , buildPhase ? "true" + , ... }@args: + + let + forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com"; + extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" ]; + in + stdenv.mkDerivation ({ + name = "node-${name}-${version}"; + buildInputs = [ tarWrapper python nodejs ] + ++ stdenv.lib.optional (stdenv.isLinux) utillinux + ++ stdenv.lib.optional (stdenv.isDarwin) libtool + ++ buildInputs; + + inherit dontStrip; # Stripping may fail a build for some package deployments + inherit dontNpmInstall preRebuild unpackPhase buildPhase; + + compositionScript = composePackage args; + pinpointDependenciesScript = pinpointDependenciesOfPackage args; + + passAsFile = [ "compositionScript" "pinpointDependenciesScript" ]; + + installPhase = '' + # Create and enter a root node_modules/ folder + mkdir -p $out/lib/node_modules + cd $out/lib/node_modules + + # Compose the package and all its dependencies + source $compositionScriptPath + + # Pinpoint the versions of all dependencies to the ones that are actually being used + echo "pinpointing versions of dependencies..." + source $pinpointDependenciesScriptPath + + # Patch the shebangs of the bundled modules to prevent them from + # calling executables outside the Nix store as much as possible + patchShebangs . + + # Deploy the Node.js package by running npm install. Since the + # dependencies have been provided already by ourselves, it should not + # attempt to install them again, which is good, because we want to make + # it Nix's responsibility. If it needs to install any dependencies + # anyway (e.g. because the dependency parameters are + # incomplete/incorrect), it fails. + # + # The other responsibilities of NPM are kept -- version checks, build + # steps, postprocessing etc. + + export HOME=$TMPDIR + cd "${packageName}" + runHook preRebuild + + ${stdenv.lib.optionalString bypassCache '' + if [ ! -f package-lock.json ] + then + echo "No package-lock.json file found, reconstructing..." + node ${reconstructPackageLock} + fi + + node ${addIntegrityFieldsScript} + ''} + + npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild + + if [ "$dontNpmInstall" != "1" ] + then + # NPM tries to download packages even when they already exist if npm-shrinkwrap is used. + rm -f npm-shrinkwrap.json + + npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install + fi + + # Create symlink to the deployed executable folder, if applicable + if [ -d "$out/lib/node_modules/.bin" ] + then + ln -s $out/lib/node_modules/.bin $out/bin + fi + + # Create symlinks to the deployed manual page folders, if applicable + if [ -d "$out/lib/node_modules/${packageName}/man" ] + then + mkdir -p $out/share + for dir in "$out/lib/node_modules/${packageName}/man/"* + do + mkdir -p $out/share/man/$(basename "$dir") + for page in "$dir"/* + do + ln -s $page $out/share/man/$(basename "$dir") + done + done + fi + + # Run post install hook, if provided + runHook postInstall + ''; + } // extraArgs); + + # Builds a development shell + buildNodeShell = + { name + , packageName + , version + , src + , dependencies ? [] + , buildInputs ? [] + , production ? true + , npmFlags ? "" + , dontNpmInstall ? false + , bypassCache ? false + , dontStrip ? true + , unpackPhase ? "true" + , buildPhase ? "true" + , ... }@args: + + let + forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com"; + + extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ]; + + nodeDependencies = stdenv.mkDerivation ({ + name = "node-dependencies-${name}-${version}"; + + buildInputs = [ tarWrapper python nodejs ] + ++ stdenv.lib.optional (stdenv.isLinux) utillinux + ++ stdenv.lib.optional (stdenv.isDarwin) libtool + ++ buildInputs; + + inherit dontStrip; # Stripping may fail a build for some package deployments + inherit dontNpmInstall unpackPhase buildPhase; + + includeScript = includeDependencies { inherit dependencies; }; + pinpointDependenciesScript = pinpointDependenciesOfPackage args; + + passAsFile = [ "includeScript" "pinpointDependenciesScript" ]; + + installPhase = '' + mkdir -p $out/${packageName} + cd $out/${packageName} + + source $includeScriptPath + + # Create fake package.json to make the npm commands work properly + cp ${src}/package.json . + chmod 644 package.json + ${stdenv.lib.optionalString bypassCache '' + if [ -f ${src}/package-lock.json ] + then + cp ${src}/package-lock.json . + fi + ''} + + # Pinpoint the versions of all dependencies to the ones that are actually being used + echo "pinpointing versions of dependencies..." + cd .. + ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} + + source $pinpointDependenciesScriptPath + cd ${packageName} + + # Patch the shebangs of the bundled modules to prevent them from + # calling executables outside the Nix store as much as possible + patchShebangs . + + export HOME=$PWD + + ${stdenv.lib.optionalString bypassCache '' + if [ ! -f package-lock.json ] + then + echo "No package-lock.json file found, reconstructing..." + node ${reconstructPackageLock} + fi + + node ${addIntegrityFieldsScript} + ''} + + npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild + + ${stdenv.lib.optionalString (!dontNpmInstall) '' + # NPM tries to download packages even when they already exist if npm-shrinkwrap is used. + rm -f npm-shrinkwrap.json + + npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install + ''} + + cd .. + ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} + + mv ${packageName} lib + ln -s $out/lib/node_modules/.bin $out/bin + ''; + } // extraArgs); + in + stdenv.mkDerivation { + name = "node-shell-${name}-${version}"; + + buildInputs = [ python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ buildInputs; + buildCommand = '' + mkdir -p $out/bin + cat > $out/bin/shell < $out/bin/tar <> $out/nix-support/hydra-build-products - ''; - }; - - includeDependencies = {dependencies}: - stdenv.lib.optionalString (dependencies != []) - (stdenv.lib.concatMapStrings (dependency: - '' - # Bundle the dependencies of the package - mkdir -p node_modules - cd node_modules - - # Only include dependencies if they don't exist. They may also be bundled in the package. - if [ ! -e "${dependency.name}" ] - then - ${composePackage dependency} - fi - - cd .. - '' - ) dependencies); - - # Recursively composes the dependencies of a package - composePackage = { name, packageName, src, dependencies ? [], ... }@args: - '' - DIR=$(pwd) - cd $TMPDIR - - unpackFile ${src} - - # Make the base dir in which the target dependency resides first - mkdir -p "$(dirname "$DIR/${packageName}")" - - if [ -f "${src}" ] - then - # Figure out what directory has been unpacked - packageDir="$(find . -maxdepth 1 -type d | tail -1)" - - # Restore write permissions to make building work - find "$packageDir" -type d -print0 | xargs -0 chmod u+x - chmod -R u+w "$packageDir" - - # Move the extracted tarball into the output folder - mv "$packageDir" "$DIR/${packageName}" - elif [ -d "${src}" ] - then - # Get a stripped name (without hash) of the source directory. - # On old nixpkgs it's already set internally. - if [ -z "$strippedName" ] - then - strippedName="$(stripHash ${src})" - fi - - # Restore write permissions to make building work - chmod -R u+w "$strippedName" - - # Move the extracted directory into the output folder - mv "$strippedName" "$DIR/${packageName}" - fi - - # Unset the stripped name to not confuse the next unpack step - unset strippedName - - # Include the dependencies of the package - cd "$DIR/${packageName}" - ${includeDependencies { inherit dependencies; }} - cd .. - ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} - ''; - - pinpointDependencies = {dependencies, production}: - let - pinpointDependenciesFromPackageJSON = writeTextFile { - name = "pinpointDependencies.js"; - text = '' - var fs = require('fs'); - var path = require('path'); - - function resolveDependencyVersion(location, name) { - if(location == process.env['NIX_STORE']) { - return null; - } else { - var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json"); - - if(fs.existsSync(dependencyPackageJSON)) { - var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON)); - - if(dependencyPackageObj.name == name) { - return dependencyPackageObj.version; - } - } else { - return resolveDependencyVersion(path.resolve(location, ".."), name); - } - } - } - - function replaceDependencies(dependencies) { - if(typeof dependencies == "object" && dependencies !== null) { - for(var dependency in dependencies) { - var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency); - - if(resolvedVersion === null) { - process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n"); - } else { - dependencies[dependency] = resolvedVersion; - } - } - } - } - - /* Read the package.json configuration */ - var packageObj = JSON.parse(fs.readFileSync('./package.json')); - - /* Pinpoint all dependencies */ - replaceDependencies(packageObj.dependencies); - if(process.argv[2] == "development") { - replaceDependencies(packageObj.devDependencies); - } - replaceDependencies(packageObj.optionalDependencies); - - /* Write the fixed package.json file */ - fs.writeFileSync("package.json", JSON.stringify(packageObj, null, 2)); - ''; - }; - in - '' - node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"} - - ${stdenv.lib.optionalString (dependencies != []) - '' - if [ -d node_modules ] - then - cd node_modules - ${stdenv.lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies} - cd .. - fi - ''} - ''; - - # Recursively traverses all dependencies of a package and pinpoints all - # dependencies in the package.json file to the versions that are actually - # being used. - - pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args: - '' - if [ -d "${packageName}" ] - then - cd "${packageName}" - ${pinpointDependencies { inherit dependencies production; }} - cd .. - ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} - fi - ''; - - # Extract the Node.js source code which is used to compile packages with - # native bindings - nodeSources = runCommand "node-sources" {} '' - tar --no-same-owner --no-same-permissions -xf ${nodejs.src} - mv node-* $out - ''; - - # Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty) - addIntegrityFieldsScript = writeTextFile { - name = "addintegrityfields.js"; - text = '' - var fs = require('fs'); - var path = require('path'); - - function augmentDependencies(baseDir, dependencies) { - for(var dependencyName in dependencies) { - var dependency = dependencies[dependencyName]; - - // Open package.json and augment metadata fields - var packageJSONDir = path.join(baseDir, "node_modules", dependencyName); - var packageJSONPath = path.join(packageJSONDir, "package.json"); - - if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored - console.log("Adding metadata fields to: "+packageJSONPath); - var packageObj = JSON.parse(fs.readFileSync(packageJSONPath)); - - if(dependency.integrity) { - packageObj["_integrity"] = dependency.integrity; - } else { - packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads. - } - - packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories. - fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2)); - } - - // Augment transitive dependencies - if(dependency.dependencies !== undefined) { - augmentDependencies(packageJSONDir, dependency.dependencies); - } - } - } - - if(fs.existsSync("./package-lock.json")) { - var packageLock = JSON.parse(fs.readFileSync("./package-lock.json")); - - if(packageLock.lockfileVersion !== 1) { - process.stderr.write("Sorry, I only understand lock file version 1!\n"); - process.exit(1); - } - - if(packageLock.dependencies !== undefined) { - augmentDependencies(".", packageLock.dependencies); - } - } - ''; - }; - - # Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes - reconstructPackageLock = writeTextFile { - name = "addintegrityfields.js"; - text = '' - var fs = require('fs'); - var path = require('path'); - - var packageObj = JSON.parse(fs.readFileSync("package.json")); - - var lockObj = { - name: packageObj.name, - version: packageObj.version, - lockfileVersion: 1, - requires: true, - dependencies: {} - }; - - function augmentPackageJSON(filePath, dependencies) { - var packageJSON = path.join(filePath, "package.json"); - if(fs.existsSync(packageJSON)) { - var packageObj = JSON.parse(fs.readFileSync(packageJSON)); - dependencies[packageObj.name] = { - version: packageObj.version, - integrity: "sha1-000000000000000000000000000=", - dependencies: {} - }; - processDependencies(path.join(filePath, "node_modules"), dependencies[packageObj.name].dependencies); - } - } - - function processDependencies(dir, dependencies) { - if(fs.existsSync(dir)) { - var files = fs.readdirSync(dir); - - files.forEach(function(entry) { - var filePath = path.join(dir, entry); - var stats = fs.statSync(filePath); - - if(stats.isDirectory()) { - if(entry.substr(0, 1) == "@") { - // When we encounter a namespace folder, augment all packages belonging to the scope - var pkgFiles = fs.readdirSync(filePath); - - pkgFiles.forEach(function(entry) { - if(stats.isDirectory()) { - var pkgFilePath = path.join(filePath, entry); - augmentPackageJSON(pkgFilePath, dependencies); - } - }); - } else { - augmentPackageJSON(filePath, dependencies); - } - } - }); - } - } - - processDependencies("node_modules", lockObj.dependencies); - - fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2)); - ''; - }; - - # Builds and composes an NPM package including all its dependencies - buildNodePackage = - { name - , packageName - , version - , dependencies ? [] - , buildInputs ? [] - , production ? true - , npmFlags ? "" - , dontNpmInstall ? false - , bypassCache ? false - , preRebuild ? "" - , dontStrip ? true - , unpackPhase ? "true" - , buildPhase ? "true" - , ... }@args: - - let - forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com"; - extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" ]; - in - stdenv.mkDerivation ({ - name = "node-${name}-${version}"; - buildInputs = [ tarWrapper python nodejs ] - ++ stdenv.lib.optional (stdenv.isLinux) utillinux - ++ stdenv.lib.optional (stdenv.isDarwin) libtool - ++ buildInputs; - - inherit dontStrip; # Stripping may fail a build for some package deployments - inherit dontNpmInstall preRebuild unpackPhase buildPhase; - - compositionScript = composePackage args; - pinpointDependenciesScript = pinpointDependenciesOfPackage args; - - passAsFile = [ "compositionScript" "pinpointDependenciesScript" ]; - - installPhase = '' - # Create and enter a root node_modules/ folder - mkdir -p $out/lib/node_modules - cd $out/lib/node_modules - - # Compose the package and all its dependencies - source $compositionScriptPath - - # Pinpoint the versions of all dependencies to the ones that are actually being used - echo "pinpointing versions of dependencies..." - source $pinpointDependenciesScriptPath - - # Patch the shebangs of the bundled modules to prevent them from - # calling executables outside the Nix store as much as possible - patchShebangs . - - # Deploy the Node.js package by running npm install. Since the - # dependencies have been provided already by ourselves, it should not - # attempt to install them again, which is good, because we want to make - # it Nix's responsibility. If it needs to install any dependencies - # anyway (e.g. because the dependency parameters are - # incomplete/incorrect), it fails. - # - # The other responsibilities of NPM are kept -- version checks, build - # steps, postprocessing etc. - - export HOME=$TMPDIR - cd "${packageName}" - runHook preRebuild - - ${stdenv.lib.optionalString bypassCache '' - if [ ! -f package-lock.json ] - then - echo "No package-lock.json file found, reconstructing..." - node ${reconstructPackageLock} - fi - - node ${addIntegrityFieldsScript} - ''} - - npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild - - if [ "$dontNpmInstall" != "1" ] - then - # NPM tries to download packages even when they already exist if npm-shrinkwrap is used. - rm -f npm-shrinkwrap.json - - npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install - fi - - # Create symlink to the deployed executable folder, if applicable - if [ -d "$out/lib/node_modules/.bin" ] - then - ln -s $out/lib/node_modules/.bin $out/bin - fi - - # Create symlinks to the deployed manual page folders, if applicable - if [ -d "$out/lib/node_modules/${packageName}/man" ] - then - mkdir -p $out/share - for dir in "$out/lib/node_modules/${packageName}/man/"* - do - mkdir -p $out/share/man/$(basename "$dir") - for page in "$dir"/* - do - ln -s $page $out/share/man/$(basename "$dir") - done - done - fi - - # Run post install hook, if provided - runHook postInstall - ''; - } // extraArgs); - - # Builds a development shell - buildNodeShell = - { name - , packageName - , version - , src - , dependencies ? [] - , buildInputs ? [] - , production ? true - , npmFlags ? "" - , dontNpmInstall ? false - , bypassCache ? false - , dontStrip ? true - , unpackPhase ? "true" - , buildPhase ? "true" - , ... }@args: - - let - forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com"; - - extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ]; - - nodeDependencies = stdenv.mkDerivation ({ - name = "node-dependencies-${name}-${version}"; - - buildInputs = [ tarWrapper python nodejs ] - ++ stdenv.lib.optional (stdenv.isLinux) utillinux - ++ stdenv.lib.optional (stdenv.isDarwin) libtool - ++ buildInputs; - - inherit dontStrip; # Stripping may fail a build for some package deployments - inherit dontNpmInstall unpackPhase buildPhase; - - includeScript = includeDependencies { inherit dependencies; }; - pinpointDependenciesScript = pinpointDependenciesOfPackage args; - - passAsFile = [ "includeScript" "pinpointDependenciesScript" ]; - - installPhase = '' - mkdir -p $out/${packageName} - cd $out/${packageName} - - source $includeScriptPath - - # Create fake package.json to make the npm commands work properly - cp ${src}/package.json . - chmod 644 package.json - ${stdenv.lib.optionalString bypassCache '' - if [ -f ${src}/package-lock.json ] - then - cp ${src}/package-lock.json . - fi - ''} - - # Pinpoint the versions of all dependencies to the ones that are actually being used - echo "pinpointing versions of dependencies..." - cd .. - ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} - - source $pinpointDependenciesScriptPath - cd ${packageName} - - # Patch the shebangs of the bundled modules to prevent them from - # calling executables outside the Nix store as much as possible - patchShebangs . - - export HOME=$PWD - - ${stdenv.lib.optionalString bypassCache '' - if [ ! -f package-lock.json ] - then - echo "No package-lock.json file found, reconstructing..." - node ${reconstructPackageLock} - fi - - node ${addIntegrityFieldsScript} - ''} - - npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild - - ${stdenv.lib.optionalString (!dontNpmInstall) '' - # NPM tries to download packages even when they already exist if npm-shrinkwrap is used. - rm -f npm-shrinkwrap.json - - npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install - ''} - - cd .. - ${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."} - - mv ${packageName} lib - ln -s $out/lib/node_modules/.bin $out/bin - ''; - } // extraArgs); - in - stdenv.mkDerivation { - name = "node-shell-${name}-${version}"; - - buildInputs = [ python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ buildInputs; - buildCommand = '' - mkdir -p $out/bin - cat > $out/bin/shell <