diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9d6997f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+# NPMCI
+
+npmci is your friend when it comes to handling npm packages during CI builds.
+It is designed to work hand in hand with npmts
\ No newline at end of file
diff --git a/dist/npmci.bash.d.ts b/dist/npmci.bash.d.ts
new file mode 100644
index 0000000..e1bbfde
--- /dev/null
+++ b/dist/npmci.bash.d.ts
@@ -0,0 +1,2 @@
+import "typings-global";
+export declare let bash: (commandArg: any) => void;
diff --git a/dist/npmci.bash.js b/dist/npmci.bash.js
new file mode 100644
index 0000000..27ff3ec
--- /dev/null
+++ b/dist/npmci.bash.js
@@ -0,0 +1,10 @@
+"use strict";
+require("typings-global");
+var plugins = require("./npmci.plugins");
+exports.bash = function (commandArg) {
+    plugins.shelljs.exec("bash -c \"source /usr/local/nvm/nvm.sh &&" +
+        commandArg +
+        "\"");
+};
+
+//# sourceMappingURL=data:application/json;charset=utf8;base64,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
diff --git a/dist/npmci.install.js b/dist/npmci.install.js
index 5f20e69..9465feb 100644
--- a/dist/npmci.install.js
+++ b/dist/npmci.install.js
@@ -1,6 +1,7 @@
 "use strict";
 require("typings-global");
 var plugins = require("./npmci.plugins");
+var npmci_bash_1 = require("./npmci.bash");
 exports.install = function (versionArg) {
     var done = plugins.q.defer();
     var version;
@@ -12,11 +13,8 @@ exports.install = function (versionArg) {
     }
     ;
     plugins.beautylog.log("now installing " + "node ".green + ("version " + version).yellow);
-    plugins.shelljs.exec("bash -c \"source /usr/local/nvm/nvm.sh && nvm install " +
-        version +
-        " nvm alias default " +
-        version +
-        "\"");
+    npmci_bash_1.bash("nvm install " + version +
+        " nvm alias default " + version);
     plugins.beautylog.success("Node version " + version + " successfully installed!");
     plugins.shelljs.exec("node -v");
     plugins.shelljs.exec("npm -v");
@@ -24,4 +22,4 @@ exports.install = function (versionArg) {
     return done.promise;
 };
 
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+//# sourceMappingURL=data:application/json;charset=utf8;base64,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
diff --git a/dist/npmci.publish.js b/dist/npmci.publish.js
index b0e1424..aad1e4e 100644
--- a/dist/npmci.publish.js
+++ b/dist/npmci.publish.js
@@ -1,6 +1,7 @@
 "use strict";
 require("typings-global");
 var plugins = require("./npmci.plugins");
+var npmci_bash_1 = require("./npmci.bash");
 var npmrcPrefix = "//registry.npmjs.org/:_authToken=";
 var npmToken = process.env.NPMCITOKEN;
 var npmrcFileString = npmrcPrefix + npmToken;
@@ -8,9 +9,9 @@ exports.publish = function () {
     var done = plugins.q.defer();
     plugins.beautylog.ok("Tests passed, now publishing to npm!");
     plugins.smartfile.memory.toFs(npmrcFileString, { fileName: ".npmrc", filePath: "/root/" });
-    plugins.shelljs.exec("npm publish");
+    npmci_bash_1.bash("npm publish");
     plugins.beautylog.ok("Done!");
     return done.promise;
 };
 
-//# sourceMappingURL=data:application/json;charset=utf8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIm5wbWNpLnB1Ymxpc2gudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IjtBQUFBLFFBQU8sZ0JBQWdCLENBQUMsQ0FBQTtBQUN4QixJQUFZLE9BQU8sV0FBTSxpQkFBaUIsQ0FBQyxDQUFBO0FBRTNDLElBQUksV0FBVyxHQUFVLG1DQUFtQyxDQUFDO0FBQzdELElBQUksUUFBUSxHQUFVLE9BQU8sQ0FBQyxHQUFHLENBQUMsVUFBVSxDQUFDO0FBQzdDLElBQUksZUFBZSxHQUFHLFdBQVcsR0FBRyxRQUFRLENBQUM7QUFHbEMsZUFBTyxHQUFHO0lBQ2pCLElBQUksSUFBSSxHQUFHLE9BQU8sQ0FBQyxDQUFDLENBQUMsS0FBSyxFQUFFLENBQUM7SUFDN0IsT0FBTyxDQUFDLFNBQVMsQ0FBQyxFQUFFLENBQUMsc0NBQXNDLENBQUMsQ0FBQztJQUM3RCxPQUFPLENBQUMsU0FBUyxDQUFDLE1BQU0sQ0FBQyxJQUFJLENBQUMsZUFBZSxFQUFDLEVBQUMsUUFBUSxFQUFDLFFBQVEsRUFBQyxRQUFRLEVBQUMsUUFBUSxFQUFDLENBQUMsQ0FBQztJQUNyRixPQUFPLENBQUMsT0FBTyxDQUFDLElBQUksQ0FBQyxhQUFhLENBQUMsQ0FBQztJQUNwQyxPQUFPLENBQUMsU0FBUyxDQUFDLEVBQUUsQ0FBQyxPQUFPLENBQUMsQ0FBQTtJQUM3QixNQUFNLENBQUMsSUFBSSxDQUFDLE9BQU8sQ0FBQztBQUN4QixDQUFDLENBQUMiLCJmaWxlIjoibnBtY2kucHVibGlzaC5qcyIsInNvdXJjZXNDb250ZW50IjpbImltcG9ydCBcInR5cGluZ3MtZ2xvYmFsXCI7XHJcbmltcG9ydCAqIGFzIHBsdWdpbnMgZnJvbSBcIi4vbnBtY2kucGx1Z2luc1wiO1xyXG5cclxubGV0IG5wbXJjUHJlZml4OnN0cmluZyA9IFwiLy9yZWdpc3RyeS5ucG1qcy5vcmcvOl9hdXRoVG9rZW49XCI7XHJcbmxldCBucG1Ub2tlbjpzdHJpbmcgPSBwcm9jZXNzLmVudi5OUE1DSVRPS0VOO1xyXG5sZXQgbnBtcmNGaWxlU3RyaW5nID0gbnBtcmNQcmVmaXggKyBucG1Ub2tlbjtcclxuXHJcblxyXG5leHBvcnQgbGV0IHB1Ymxpc2ggPSAoKSA9PiB7XHJcbiAgICBsZXQgZG9uZSA9IHBsdWdpbnMucS5kZWZlcigpO1xyXG4gICAgcGx1Z2lucy5iZWF1dHlsb2cub2soXCJUZXN0cyBwYXNzZWQsIG5vdyBwdWJsaXNoaW5nIHRvIG5wbSFcIik7XHJcbiAgICBwbHVnaW5zLnNtYXJ0ZmlsZS5tZW1vcnkudG9GcyhucG1yY0ZpbGVTdHJpbmcse2ZpbGVOYW1lOlwiLm5wbXJjXCIsZmlsZVBhdGg6XCIvcm9vdC9cIn0pO1xyXG4gICAgcGx1Z2lucy5zaGVsbGpzLmV4ZWMoXCJucG0gcHVibGlzaFwiKTtcclxuICAgIHBsdWdpbnMuYmVhdXR5bG9nLm9rKFwiRG9uZSFcIilcclxuICAgIHJldHVybiBkb25lLnByb21pc2U7XHJcbn07Il19
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diff --git a/dist/npmci.test.js b/dist/npmci.test.js
index ba97cef..e10fdc0 100644
--- a/dist/npmci.test.js
+++ b/dist/npmci.test.js
@@ -1,19 +1,20 @@
 "use strict";
 require("typings-global");
 var plugins = require("./npmci.plugins");
+var npmci_bash_1 = require("./npmci.bash");
 var npmci_install_1 = require("./npmci.install");
 exports.test = function (versionArg) {
     var done = plugins.q.defer();
     npmci_install_1.install(versionArg)
         .then(function () {
         plugins.beautylog.info("now installing dependencies:");
-        plugins.shelljs.exec("npm install");
+        npmci_bash_1.bash("npm install");
         plugins.beautylog.info("now starting tests:");
-        plugins.shelljs.exec("npm test");
+        npmci_bash_1.bash("npm test");
         plugins.beautylog.success("test finished");
         done.resolve();
     });
     return done.promise;
 };
 
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diff --git a/ts/npmci.bash.ts b/ts/npmci.bash.ts
new file mode 100644
index 0000000..4ad3183
--- /dev/null
+++ b/ts/npmci.bash.ts
@@ -0,0 +1,9 @@
+import "typings-global";
+import * as plugins from "./npmci.plugins";
+export let bash = (commandArg) => {
+    plugins.shelljs.exec(
+        "bash -c \"source /usr/local/nvm/nvm.sh &&" +
+        commandArg +
+        "\""
+    );
+}
\ No newline at end of file
diff --git a/ts/npmci.install.ts b/ts/npmci.install.ts
index df3212a..83799e3 100644
--- a/ts/npmci.install.ts
+++ b/ts/npmci.install.ts
@@ -1,5 +1,7 @@
 import "typings-global";
 import * as plugins from "./npmci.plugins";
+import {bash} from "./npmci.bash";
+
 export let install = (versionArg) => {
     let done = plugins.q.defer();
     let version:string;
@@ -9,12 +11,9 @@ export let install = (versionArg) => {
         version = versionArg;
     };
     plugins.beautylog.log("now installing " + "node ".green + ("version " + version).yellow);
-    plugins.shelljs.exec(
-        "bash -c \"source /usr/local/nvm/nvm.sh && nvm install "+
-        version +
-        " nvm alias default " +
-        version +
-        "\""
+    bash(
+        "nvm install " + version +
+        " nvm alias default " + version
     );
     plugins.beautylog.success("Node version " + version + " successfully installed!");
     plugins.shelljs.exec("node -v");
diff --git a/ts/npmci.publish.ts b/ts/npmci.publish.ts
index b4d9a8b..f11e174 100644
--- a/ts/npmci.publish.ts
+++ b/ts/npmci.publish.ts
@@ -1,5 +1,6 @@
 import "typings-global";
 import * as plugins from "./npmci.plugins";
+import {bash} from "./npmci.bash";
 
 let npmrcPrefix:string = "//registry.npmjs.org/:_authToken=";
 let npmToken:string = process.env.NPMCITOKEN;
@@ -10,7 +11,7 @@ export let publish = () => {
     let done = plugins.q.defer();
     plugins.beautylog.ok("Tests passed, now publishing to npm!");
     plugins.smartfile.memory.toFs(npmrcFileString,{fileName:".npmrc",filePath:"/root/"});
-    plugins.shelljs.exec("npm publish");
+    bash("npm publish");
     plugins.beautylog.ok("Done!")
     return done.promise;
 };
\ No newline at end of file
diff --git a/ts/npmci.test.ts b/ts/npmci.test.ts
index 65ad356..4d49f9b 100644
--- a/ts/npmci.test.ts
+++ b/ts/npmci.test.ts
@@ -1,14 +1,16 @@
 import "typings-global";
 import * as plugins from "./npmci.plugins";
+import {bash} from "./npmci.bash";
 import {install} from "./npmci.install";
+
 export let test = (versionArg) => {
     let done = plugins.q.defer();
     install(versionArg)
         .then(function(){
             plugins.beautylog.info("now installing dependencies:");
-            plugins.shelljs.exec("npm install");
+            bash("npm install");
             plugins.beautylog.info("now starting tests:");
-            plugins.shelljs.exec("npm test");
+            bash("npm test");
             plugins.beautylog.success("test finished");
             done.resolve();
         })