Move node-env file to a generic location

2 files changed, 1 insertions, 543 deletions

diff --git a/pkgs/crypto/iota-cli-app/default.nix b/pkgs/crypto/iota-cli-app/default.nix
index f0b5fed..1a9d3ed 100644
--- a/pkgs/crypto/iota-cli-app/default.nix
+++ b/pkgs/crypto/iota-cli-app/default.nix
@@ -1,6 +1,6 @@
 { stdenv, mylibs, fetchurl, fetchgit, callPackage, nodePackages, nodejs-8_x }:
 let
-  nodeEnv = callPackage ./node-env.nix { nodejs = nodejs-8_x; };
+  nodeEnv = callPackage mylibs.nodeEnv { nodejs = nodejs-8_x; };
   # built using node2nix -8 -l package-lock.json
   # and changing "./." to "src"
   packageEnv = import ./node-packages.nix {
diff --git a/pkgs/crypto/iota-cli-app/node-env.nix b/pkgs/crypto/iota-cli-app/node-env.nix
deleted file mode 100644
index 720e0cc..0000000
--- a/pkgs/crypto/iota-cli-app/node-env.nix
+++ /dev/null
@@ -1,542 +0,0 @@
-# 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 <<EOF
-    #! ${stdenv.shell} -e
-    $(type -p tar) "\$@" --warning=no-unknown-keyword
-    EOF
-
-    chmod +x $out/bin/tar
-  '';
-
-  # Function that generates a TGZ file from a NPM project
-  buildNodeSourceDist =
-    { name, version, src, ... }:
-
-    stdenv.mkDerivation {
-      name = "node-tarball-${name}-${version}";
-      inherit src;
-      buildInputs = [ nodejs ];
-      buildPhase = ''
-        export HOME=$TMPDIR
-        tgzFile=$(npm pack | tail -n 1) # Hooks to the pack command will add output (https://docs.npmjs.com/misc/scripts)
-      '';
-      installPhase = ''
-        mkdir -p $out/tarballs
-        mv $tgzFile $out/tarballs
-        mkdir -p $out/nix-support
-        echo "file source-dist $out/tarballs/$tgzFile" >> $out/nix-support/hydra-build-products
-      '';
-    };
-
-  includeDependencies = {dependencies}:
-    stdenv.lib.optionalString (dependencies != [])
-      (stdenv.lib.concatMapStrings (dependency:
-        ''
-          # Bundle the dependencies of the package
-          mkdir -p node_modules
-          cd node_modules
-
-          # Only include dependencies if they don't exist. They may also be bundled in the package.
-          if [ ! -e "${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 <<EOF
-        #! ${stdenv.shell} -e
-        $shellHook
-        exec ${stdenv.shell}
-        EOF
-        chmod +x $out/bin/shell
-      '';
-
-      # Provide the dependencies in a development shell through the NODE_PATH environment variable
-      inherit nodeDependencies;
-      shellHook = stdenv.lib.optionalString (dependencies != []) ''
-        export NODE_PATH=$nodeDependencies/lib/node_modules
-      '';
-    };
-in
-{
-  buildNodeSourceDist = stdenv.lib.makeOverridable buildNodeSourceDist;
-  buildNodePackage = stdenv.lib.makeOverridable buildNodePackage;
-  buildNodeShell = stdenv.lib.makeOverridable buildNodeShell;
-}