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-rw-r--r--nix/.config/nixpkgs/overlays/node-packages/composition.nix16
-rw-r--r--nix/.config/nixpkgs/overlays/node-packages/default.nix8
-rwxr-xr-xnix/.config/nixpkgs/overlays/node-packages/generate.sh1
-rw-r--r--nix/.config/nixpkgs/overlays/node-packages/node-env.nix497
-rw-r--r--nix/.config/nixpkgs/overlays/node-packages/node-packages.json3
-rw-r--r--nix/.config/nixpkgs/overlays/node-packages/node-packages.nix148
6 files changed, 673 insertions, 0 deletions
diff --git a/nix/.config/nixpkgs/overlays/node-packages/composition.nix b/nix/.config/nixpkgs/overlays/node-packages/composition.nix
new file mode 100644
index 0000000..15b445f
--- /dev/null
+++ b/nix/.config/nixpkgs/overlays/node-packages/composition.nix
@@ -0,0 +1,16 @@
+# This file has been generated by node2nix 1.5.1. Do not edit!
+
+{pkgs ? import <nixpkgs> {
+    inherit system;
+  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-8_x"}:
+
+let
+  nodeEnv = import ./node-env.nix {
+    inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
+    inherit nodejs;
+  };
+in
+import ./node-packages.nix {
+  inherit (pkgs) fetchurl fetchgit;
+  inherit nodeEnv;
+}
\ No newline at end of file
diff --git a/nix/.config/nixpkgs/overlays/node-packages/default.nix b/nix/.config/nixpkgs/overlays/node-packages/default.nix
new file mode 100644
index 0000000..f8521fc
--- /dev/null
+++ b/nix/.config/nixpkgs/overlays/node-packages/default.nix
@@ -0,0 +1,8 @@
+self: super:
+
+let
+  nodePackages = super.callPackage ./composition.nix {};
+in
+{
+  bmpr = nodePackages.bmpr;
+}
diff --git a/nix/.config/nixpkgs/overlays/node-packages/generate.sh b/nix/.config/nixpkgs/overlays/node-packages/generate.sh
new file mode 100755
index 0000000..5103d5c
--- /dev/null
+++ b/nix/.config/nixpkgs/overlays/node-packages/generate.sh
@@ -0,0 +1 @@
+node2nix -8 -i node-packages.json -c composition.nix
diff --git a/nix/.config/nixpkgs/overlays/node-packages/node-env.nix b/nix/.config/nixpkgs/overlays/node-packages/node-env.nix
new file mode 100644
index 0000000..15bc6c6
--- /dev/null
+++ b/nix/.config/nixpkgs/overlays/node-packages/node-env.nix
@@ -0,0 +1,497 @@
+# This file originates from node2nix
+
+{stdenv, nodejs, python2, utillinux, 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)
+      '';
+      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 ? [], production ? true, npmFlags ? "", dontNpmInstall ? false, bypassCache ? false, preRebuild ? "", ... }@args:
+
+    let
+      forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com";
+    in
+    stdenv.lib.makeOverridable stdenv.mkDerivation (builtins.removeAttrs args [ "dependencies" ] // {
+      name = "node-${name}-${version}";
+      buildInputs = [ tarWrapper python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];
+      dontStrip = args.dontStrip or true; # Striping may fail a build for some package deployments
+
+      inherit dontNpmInstall preRebuild;
+
+      unpackPhase = args.unpackPhase or "true";
+
+      buildPhase = args.buildPhase or "true";
+
+      compositionScript = composePackage args;
+      pinpointDependenciesScript = pinpointDependenciesOfPackage args;
+
+      passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
+
+      installPhase = args.installPhase or ''
+        # 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 "$dir")
+                done
+            done
+        fi
+
+        # Run post install hook, if provided
+        runHook postInstall
+      '';
+    });
+
+  # Builds a development shell
+  buildNodeShell = { name, packageName, version, src, dependencies ? [], production ? true, npmFlags ? "", dontNpmInstall ? false, bypassCache ? false, ... }@args:
+    let
+      forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com";
+
+      nodeDependencies = stdenv.mkDerivation {
+        name = "node-dependencies-${name}-${version}";
+
+        buildInputs = [ tarWrapper python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];
+
+        includeScript = includeDependencies { inherit dependencies; };
+        pinpointDependenciesScript = pinpointDependenciesOfPackage args;
+
+        passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
+
+        buildCommand = ''
+          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 ..
+          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 ..
+          mv ${packageName} lib
+          ln -s $out/lib/node_modules/.bin $out/bin
+        '';
+      };
+    in
+    stdenv.lib.makeOverridable stdenv.mkDerivation {
+      name = "node-shell-${name}-${version}";
+
+      buildInputs = [ python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];
+      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
+{ inherit buildNodeSourceDist buildNodePackage buildNodeShell; }
diff --git a/nix/.config/nixpkgs/overlays/node-packages/node-packages.json b/nix/.config/nixpkgs/overlays/node-packages/node-packages.json
new file mode 100644
index 0000000..92d1c34
--- /dev/null
+++ b/nix/.config/nixpkgs/overlays/node-packages/node-packages.json
@@ -0,0 +1,3 @@
+[
+  "bmpr"
+]
diff --git a/nix/.config/nixpkgs/overlays/node-packages/node-packages.nix b/nix/.config/nixpkgs/overlays/node-packages/node-packages.nix
new file mode 100644
index 0000000..53da781
--- /dev/null
+++ b/nix/.config/nixpkgs/overlays/node-packages/node-packages.nix
@@ -0,0 +1,148 @@
+# This file has been generated by node2nix 1.5.1. Do not edit!
+
+{nodeEnv, fetchurl, fetchgit, globalBuildInputs ? []}:
+
+let
+  sources = {
+    "async-1.0.0" = {
+      name = "async";
+      packageName = "async";
+      version = "1.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/async/-/async-1.0.0.tgz";
+        sha1 = "f8fc04ca3a13784ade9e1641af98578cfbd647a9";
+      };
+    };
+    "colors-1.0.3" = {
+      name = "colors";
+      packageName = "colors";
+      version = "1.0.3";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz";
+        sha1 = "0433f44d809680fdeb60ed260f1b0c262e82a40b";
+      };
+    };
+    "commander-2.15.1" = {
+      name = "commander";
+      packageName = "commander";
+      version = "2.15.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz";
+        sha512 = "1mb8z6hhy74rfdgj3spmk52sdqa5bb2w5wp28z3md1daqcca4vbbsg66wz8hdhrv0fnnmf8yzdkmnw3c373vcccmyizzlnmbpsd6msn";
+      };
+    };
+    "cycle-1.0.3" = {
+      name = "cycle";
+      packageName = "cycle";
+      version = "1.0.3";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/cycle/-/cycle-1.0.3.tgz";
+        sha1 = "21e80b2be8580f98b468f379430662b046c34ad2";
+      };
+    };
+    "denodeify-1.2.1" = {
+      name = "denodeify";
+      packageName = "denodeify";
+      version = "1.2.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/denodeify/-/denodeify-1.2.1.tgz";
+        sha1 = "3a36287f5034e699e7577901052c2e6c94251631";
+      };
+    };
+    "es6-promise-2.3.0" = {
+      name = "es6-promise";
+      packageName = "es6-promise";
+      version = "2.3.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/es6-promise/-/es6-promise-2.3.0.tgz";
+        sha1 = "96edb9f2fdb01995822b263dd8aadab6748181bc";
+      };
+    };
+    "eyes-0.1.8" = {
+      name = "eyes";
+      packageName = "eyes";
+      version = "0.1.8";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz";
+        sha1 = "62cf120234c683785d902348a800ef3e0cc20bc0";
+      };
+    };
+    "isstream-0.1.2" = {
+      name = "isstream";
+      packageName = "isstream";
+      version = "0.1.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz";
+        sha1 = "47e63f7af55afa6f92e1500e690eb8b8529c099a";
+      };
+    };
+    "pkginfo-0.3.1" = {
+      name = "pkginfo";
+      packageName = "pkginfo";
+      version = "0.3.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/pkginfo/-/pkginfo-0.3.1.tgz";
+        sha1 = "5b29f6a81f70717142e09e765bbeab97b4f81e21";
+      };
+    };
+    "semver-4.3.6" = {
+      name = "semver";
+      packageName = "semver";
+      version = "4.3.6";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz";
+        sha1 = "300bc6e0e86374f7ba61068b5b1ecd57fc6532da";
+      };
+    };
+    "stack-trace-0.0.10" = {
+      name = "stack-trace";
+      packageName = "stack-trace";
+      version = "0.0.10";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz";
+        sha1 = "547c70b347e8d32b4e108ea1a2a159e5fdde19c0";
+      };
+    };
+    "winston-1.1.2" = {
+      name = "winston";
+      packageName = "winston";
+      version = "1.1.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/winston/-/winston-1.1.2.tgz";
+        sha1 = "68edd769ff79d4f9528cf0e5d80021aade67480c";
+      };
+    };
+  };
+in
+{
+  bmpr = nodeEnv.buildNodePackage {
+    name = "bmpr";
+    packageName = "bmpr";
+    version = "1.0.2";
+    src = fetchurl {
+      url = "https://registry.npmjs.org/bmpr/-/bmpr-1.0.2.tgz";
+      sha1 = "f39c455432b59890570bbbadc04307f5bb42d1ca";
+    };
+    dependencies = [
+      sources."async-1.0.0"
+      sources."colors-1.0.3"
+      sources."commander-2.15.1"
+      sources."cycle-1.0.3"
+      sources."denodeify-1.2.1"
+      sources."es6-promise-2.3.0"
+      sources."eyes-0.1.8"
+      sources."isstream-0.1.2"
+      sources."pkginfo-0.3.1"
+      sources."semver-4.3.6"
+      sources."stack-trace-0.0.10"
+      sources."winston-1.1.2"
+    ];
+    buildInputs = globalBuildInputs;
+    meta = {
+      description = "Figures out what the current version of your git project is, bumps it, and tags the current commit with the new version.";
+      homepage = "https://github.com/matthew-andrews/bumper#readme";
+    };
+    production = true;
+    bypassCache = true;
+  };
+}
\ No newline at end of file