diff --git a/src/defaults.js b/src/defaults.js
index f435656772f0e2db2cba2a1bc675060359735b35..e63c1d8e5428a8a40892525f29697a3d9a439162 100644
--- a/src/defaults.js
+++ b/src/defaults.js
@@ -3,8 +3,7 @@ module.exports = {
   templates: {
     branchName: params => `renovate/${params.depName}-${params.newVersionMajor}.x`,
     commitMessage: params => `Update dependency ${params.depName} to version ${params.newVersion}`,
-    prBody: params =>
-      `This Pull Request updates dependency ${params.depName}` +
+    prBody: params => `This Pull Request updates dependency ${params.depName}` +
       ` from version ${params.currentVersion} to ${params.newVersion}.`,
     prTitleMajor: params => `Update dependency ${params.depName} to version ${params.newVersionMajor}.x`,
     prTitleMinor: params => `Update dependency ${params.depName} to version ${params.newVersion}`,
diff --git a/src/helpers/github.js b/src/helpers/github.js
index 6a32bd95881d2158a336bd271ed4d9bd09735d08..fda760be6c525fb9fd89090c1d0675353bfeac6e 100644
--- a/src/helpers/github.js
+++ b/src/helpers/github.js
@@ -24,8 +24,9 @@ function init(setConfig, repoName, packageFile) {
   config.packageFile = packageFile;
 
   function getRepo() {
-    return ghGot(`repos/${config.repoName}`, { token: config.token })
-    .then(res => res.body);
+    return ghGot(`repos/${config.repoName}`, { token: config.token }).then(
+      res => res.body,
+    );
   }
 
   function processRepo(repo) {
@@ -34,8 +35,9 @@ function init(setConfig, repoName, packageFile) {
   }
 
   function getRepoSHA() {
-    return ghGot(`repos/${config.repoName}/git/refs/head`, { token: config.token })
-    .then((res) => {
+    return ghGot(`repos/${config.repoName}/git/refs/head`, {
+      token: config.token,
+    }).then((res) => {
       // Get the SHA for base branch
       res.body.forEach((branch) => {
         // Loop through all branches because the base branch may not be the first
@@ -58,7 +60,6 @@ function init(setConfig, repoName, packageFile) {
 }
 
 // Package File
-
 function getPackageFile(branchName) {
   return getFile(config.packageFile, branchName);
 }
@@ -68,11 +69,16 @@ function getPackageFileContents() {
 }
 
 function writePackageFile(branchName, oldFileSHA, fileContents, message) {
-  return writeFile(branchName, oldFileSHA, config.packageFile, fileContents, message);
+  return writeFile(
+    branchName,
+    oldFileSHA,
+    config.packageFile,
+    fileContents,
+    message,
+  );
 }
 
 // Branch
-
 function createBranch(branchName) {
   return ghGot.post(`repos/${config.repoName}/git/refs`, {
     token: config.token,
@@ -84,36 +90,35 @@ function createBranch(branchName) {
 }
 
 // Pull Request
-
 function checkForClosedPr(branchName, prTitle) {
-  return ghGot(`repos/${config.repoName}/pulls?state=closed&head=${config.owner}:${branchName}`, {
-    token: config.token,
-  }).then(res =>
-    res.body.some(pr => pr.title === prTitle && pr.head.label === `${config.owner}:${branchName}`))
-  .catch((error) => {
-    console.error(`Error checking if PR already existed: ${error}`);
-  });
+  return ghGot(
+    `repos/${config.repoName}/pulls?state=closed&head=${config.owner}:${branchName}`,
+    { token: config.token },
+  )
+    .then(
+      res => res.body.some(
+        pr => pr.title === prTitle &&
+          pr.head.label === `${config.owner}:${branchName}`,
+      ),
+    )
+    .catch((error) => {
+      console.error(`Error checking if PR already existed: ${error}`);
+    });
 }
 
 function createPr(branchName, title, body) {
-  return ghGot.post(`repos/${config.repoName}/pulls`, {
-    token: config.token,
-    body: {
-      title,
-      head: branchName,
-      base: config.defaultBranch,
-      body,
-    },
-  }).then(res => res.body);
+  return ghGot
+    .post(`repos/${config.repoName}/pulls`, {
+      token: config.token,
+      body: { title, head: branchName, base: config.defaultBranch, body },
+    })
+    .then(res => res.body);
 }
 
 function getPr(branchName) {
-  const gotString =
-    `repos/${config.repoName}/pulls?` +
+  const gotString = `repos/${config.repoName}/pulls?` +
     `state=open&base=${config.defaultBranch}&head=${config.owner}:${branchName}`;
-  return ghGot(gotString, {
-    token: config.token,
-  }).then((res) => {
+  return ghGot(gotString, { token: config.token }).then((res) => {
     if (res.body.length) {
       return res.body[0];
     }
@@ -124,23 +129,22 @@ function getPr(branchName) {
 function updatePr(prNo, title, body) {
   return ghGot.patch(`repos/${config.repoName}/pulls/${prNo}`, {
     token: config.token,
-    body: {
-      title,
-      body,
-    },
+    body: { title, body },
   });
 }
 
 // Generic File operations
-
 function getFile(filePath, branchName = config.defaultBranch) {
-  return ghGot(`repos/${config.repoName}/contents/${filePath}?ref=${branchName}`, {
-    token: config.token,
-  });
+  return ghGot(
+    `repos/${config.repoName}/contents/${filePath}?ref=${branchName}`,
+    { token: config.token },
+  );
 }
 
 function getFileContents(filePath, branchName) {
-  return getFile(filePath, branchName).then(res => JSON.parse(new Buffer(res.body.content, 'base64').toString()));
+  return getFile(filePath, branchName).then(
+    res => JSON.parse(new Buffer(res.body.content, 'base64').toString()),
+  );
 }
 
 function writeFile(branchName, oldFileSHA, filePath, fileContents, message) {
diff --git a/src/helpers/npm.js b/src/helpers/npm.js
index 9bbd85b5bed0ffec5c03839371e8c985de6a90e8..eb4762b50e21573ae8b26c01649dfa2dd062eed3 100644
--- a/src/helpers/npm.js
+++ b/src/helpers/npm.js
@@ -34,30 +34,33 @@ module.exports = {
         const currentVersion = packageContents[depType][depName];
         if (!isValidVersion(currentVersion)) {
           if (config.verbose) {
-            console.log(`${depName}: Skipping invalid version ${currentVersion}`);
+            console.log(
+              `${depName}: Skipping invalid version ${currentVersion}`,
+            );
           }
           return;
         }
-        allDependencyChecks.push(getDependencyUpgrades(depName, currentVersion)
-        .then((res) => {
-          if (res.length > 0) {
-            if (config.verbose) {
-              console.log(`${depName}: Upgrades = ${JSON.stringify(res)}`);
-            }
-            res.forEach((upgrade) => {
-              allDependencyUpgrades.push({
-                depType,
-                depName,
-                currentVersion,
-                upgradeType: upgrade.type,
-                newVersion: upgrade.version,
+        allDependencyChecks.push(
+          getDependencyUpgrades(depName, currentVersion).then((res) => {
+            if (res.length > 0) {
+              if (config.verbose) {
+                console.log(`${depName}: Upgrades = ${JSON.stringify(res)}`);
+              }
+              res.forEach((upgrade) => {
+                allDependencyUpgrades.push({
+                  depType,
+                  depName,
+                  currentVersion,
+                  upgradeType: upgrade.type,
+                  newVersion: upgrade.version,
+                });
               });
-            });
-          } else if (config.verbose) {
-            console.log(`${depName}: No upgrades required`);
-          }
-          return Promise.resolve();
-        }));
+            } else if (config.verbose) {
+              console.log(`${depName}: No upgrades required`);
+            }
+            return Promise.resolve();
+          }),
+        );
       });
     });
     return Promise.all(allDependencyChecks).then(() => allDependencyUpgrades);
@@ -66,12 +69,13 @@ module.exports = {
 
 function getDependency(depName) {
   // supports scoped packages, e.g. @user/package
-  return got(`https://registry.npmjs.org/${depName.replace('/', '%2F')}`, { json: true });
+  return got(`https://registry.npmjs.org/${depName.replace('/', '%2F')}`, {
+    json: true,
+  });
 }
 
 function getDependencyUpgrades(depName, currentVersion) {
-  return getDependency(depName)
-  .then((res) => {
+  return getDependency(depName).then((res) => {
     if (!res.body.versions) {
       console.error(`${depName} versions is null`);
     }
@@ -79,11 +83,11 @@ function getDependencyUpgrades(depName, currentVersion) {
     let workingVersion = currentVersion;
     if (isRange(currentVersion)) {
       // Pin ranges to their maximum satisfying version
-      const maxSatisfying = semver.maxSatisfying(Object.keys(res.body.versions), currentVersion);
-      allUpgrades.pin = {
-        type: 'pin',
-        version: maxSatisfying,
-      };
+      const maxSatisfying = semver.maxSatisfying(
+        Object.keys(res.body.versions),
+        currentVersion,
+      );
+      allUpgrades.pin = { type: 'pin', version: maxSatisfying };
       workingVersion = maxSatisfying;
     }
     const currentMajor = semver.major(workingVersion);
@@ -95,9 +99,12 @@ function getDependencyUpgrades(depName, currentVersion) {
       if (semver.gt(version, workingVersion)) {
         // Group by major versions
         const thisMajor = semver.major(version);
-        if (!allUpgrades[thisMajor] || semver.gt(version, allUpgrades[thisMajor].version)) {
+        if (
+          !allUpgrades[thisMajor] ||
+            semver.gt(version, allUpgrades[thisMajor].version)
+        ) {
           allUpgrades[thisMajor] = {
-            type: (thisMajor > currentMajor) ? 'major' : 'minor',
+            type: thisMajor > currentMajor ? 'major' : 'minor',
             version,
           };
         }
@@ -114,7 +121,7 @@ function getDependencyUpgrades(depName, currentVersion) {
 
 function isRange(input) {
   // Pinned versions also return true for semver.validRange
-  // We need to check first that they're not "valid" to get only ranges
+  // We need to check first that they're not 'valid' to get only ranges
   return !semver.valid(input) && semver.validRange(input);
 }
 
diff --git a/src/helpers/packageJson.js b/src/helpers/packageJson.js
index 97deb6c81159f2982c5d1b4957e858846c27cf1b..4c3b44faf1fa4a31b60d816bb029a9a24bab9412 100644
--- a/src/helpers/packageJson.js
+++ b/src/helpers/packageJson.js
@@ -12,14 +12,15 @@ module.exports = {
     const newString = `"${newVersion}"`;
     let newFileContent = null;
     // Skip ahead to depType section
-    let searchIndex = currentFileContent.indexOf(`"${depType}"`) + depType.length;
+    let searchIndex = currentFileContent.indexOf(`"${depType}"`) +
+      depType.length;
     // Iterate through the rest of the file
     for (; searchIndex < currentFileContent.length; searchIndex += 1) {
       // First check if we have a hit for the old version
       if (currentFileContent.substring(searchIndex, searchIndex + searchString.length) === searchString) {
         // Now test if the result matches
-        const testContent =
-          currentFileContent.substr(0, searchIndex) + newString +
+        const testContent = currentFileContent.substr(0, searchIndex) +
+          newString +
           currentFileContent.substr(searchIndex + searchString.length);
         // Compare the parsed JSON structure of old and new
         if (_.isEqual(parsedContents, JSON.parse(testContent))) {
diff --git a/src/index.js b/src/index.js
index c69bce6183b099f60083c2d367e27c128328a6e6..600ee517d59ba401ece334c2491c9956ee234c3e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,6 @@
 // Set colours for console globally
-require('manakin').global; // eslint-disable-line no-unused-expressions
+// eslint-disable-next-line no-unused-expressions
+require('manakin').global;
 
 const semver = require('semver');
 
@@ -22,15 +23,16 @@ config.repositories.forEach((repo) => {
   });
 });
 // Print something nice once the chain is done
-p.then(() => {
-  if (config.repositories.length > 1) { // eslint-disable-line promise/always-return
-    console.success('All repos done');
-  }
-})
-// This shouldn't happen as we want to catch errors within individual chains
-.catch((error) => {
-  console.log(`Unexpected error: ${error}`);
-});
+p
+  .then(() => {
+    // eslint-disable-next-line promise/always-return
+    if (config.repositories.length > 1) {
+      console.success('All repos done');
+    }
+  })
+  .catch((error) => {
+    console.log(`Unexpected error: ${error}`);
+  });
 
 // This function reads in all configs and merges them
 function initConfig() {
@@ -62,9 +64,7 @@ function initConfig() {
   // First, convert any strings to objects
   combinedConfig.repositories.forEach((repo, index) => {
     if (typeof repo === 'string') {
-      combinedConfig.repositories[index] = {
-        name: repo,
-      };
+      combinedConfig.repositories[index] = { name: repo };
     }
   });
   // Add 'package.json' if missing
@@ -95,15 +95,16 @@ function validateArguments() {
 // This function manages the queue per-package file
 function processRepoPackageFile(repoName, packageFile) {
   return initGitHub(repoName, packageFile)
-  .then(getPackageFileContents)
-  .then(determineUpgrades)
-  .then(processUpgradesSequentially)
-  .then(() => { // eslint-disable-line promise/always-return
-    console.success(`Repo ${repoName} ${packageFile} done`);
-  })
-  .catch((err) => {
-    console.error(`renovate caught error: ${err}`);
-  });
+    .then(getPackageFileContents)
+    .then(determineUpgrades)
+    .then(processUpgradesSequentially)
+    // eslint-disable-next-line promise/always-return
+    .then(() => {
+      console.success(`Repo ${repoName} ${packageFile} done`);
+    })
+    .catch((error) => {
+      console.error(`renovate caught error: ${error}`);
+    });
 }
 
 function initGitHub(repoName, packageFile) {
@@ -133,24 +134,56 @@ function processUpgradesSequentially(upgrades) {
   // We are processing each upgrade sequentially for two major reasons:
   // 1. Reduce chances of GitHub API rate limiting
   // 2. Edge case collision of branch name, e.g. dependency also listed as dev dependency
-  return upgrades.reduce((promise, upgrade) =>
-    promise.then(() => updateDependency(upgrade)), Promise.resolve());
+  return upgrades.reduce(
+    (promise, upgrade) => promise.then(() => updateDependency(upgrade)), Promise.resolve());
 }
 
 function updateDependency({ upgradeType, depType, depName, currentVersion, newVersion }) {
   const newVersionMajor = semver.major(newVersion);
-  const branchName = config.templates.branchName({ depType, depName, currentVersion, newVersion, newVersionMajor });
+  const branchName = config.templates.branchName({
+    depType,
+    depName,
+    currentVersion,
+    newVersion,
+    newVersionMajor,
+  });
   let prTitle = '';
   if (upgradeType === 'pin') {
-    prTitle = config.templates.prTitlePin({ depType, depName, currentVersion, newVersion, newVersionMajor });
+    prTitle = config.templates.prTitlePin({
+      depType,
+      depName,
+      currentVersion,
+      newVersion,
+      newVersionMajor,
+    });
   } else if (upgradeType === 'minor') {
     // Use same title for range or minor
-    prTitle = config.templates.prTitleMinor({ depType, depName, currentVersion, newVersion, newVersionMajor });
+    prTitle = config.templates.prTitleMinor({
+      depType,
+      depName,
+      currentVersion,
+      newVersion,
+      newVersionMajor,
+    });
   } else {
-    prTitle = config.templates.prTitleMajor({ depType, depName, currentVersion, newVersion, newVersionMajor });
+    prTitle = config.templates.prTitleMajor({
+      depType,
+      depName,
+      currentVersion,
+      newVersion,
+      newVersionMajor,
+    });
   }
-  const prBody = config.templates.prBody({ depName, currentVersion, newVersion });
-  const commitMessage = config.templates.commitMessage({ depName, currentVersion, newVersion });
+  const prBody = config.templates.prBody({
+    depName,
+    currentVersion,
+    newVersion,
+  });
+  const commitMessage = config.templates.commitMessage({
+    depName,
+    currentVersion,
+    newVersion,
+  });
 
   // Check if same PR already existed and skip if so
   // This allows users to close an unwanted upgrade PR and not worry about seeing it raised again
@@ -174,8 +207,7 @@ function updateDependency({ upgradeType, depType, depName, currentVersion, newVe
   }
   function ensureBranch() {
     // Save an API call by attempting to create branch without checking for existence first
-    return github.createBranch(branchName)
-    .catch((error) => {
+    return github.createBranch(branchName).catch((error) => {
       // Check in case it's because the branch already existed
       if (error.response.body.message !== 'Reference already exists') {
         // In this case it means we really do have a problem and can't continue
@@ -190,7 +222,10 @@ function updateDependency({ upgradeType, depType, depName, currentVersion, newVe
     // Retrieve the package.json from this renovate branch
     return github.getPackageFile(branchName).then((res) => {
       const currentSHA = res.body.sha;
-      const currentFileContent = new Buffer(res.body.content, 'base64').toString();
+      const currentFileContent = new Buffer(
+        res.body.content,
+        'base64',
+      ).toString();
       const currentJson = JSON.parse(currentFileContent);
       if (currentJson[depType][depName] === newVersion) {
         if (config.verbose) {
@@ -200,11 +235,22 @@ function updateDependency({ upgradeType, depType, depName, currentVersion, newVe
       }
       // Branch must need updating
       if (config.verbose) {
-        console.log(`${depName}: Updating to ${newVersion} in branch ${branchName}`);
+        console.log(
+          `${depName}: Updating to ${newVersion} in branch ${branchName}`,
+        );
       }
-      const newPackageContents =
-        packageJson.setNewValue(currentFileContent, depType, depName, newVersion);
-      return github.writePackageFile(branchName, currentSHA, newPackageContents, commitMessage);
+      const newPackageContents = packageJson.setNewValue(
+        currentFileContent,
+        depType,
+        depName,
+        newVersion,
+      );
+      return github.writePackageFile(
+        branchName,
+        currentSHA,
+        newPackageContents,
+        commitMessage,
+      );
     });
   }
 
@@ -233,7 +279,9 @@ function updateDependency({ upgradeType, depType, depName, currentVersion, newVe
       // Check if existing PR needs updating
       if (existingPr.title === prTitle || existingPr.body === prBody) {
         if (config.verbose) {
-          console.log(`${depName}: PR #${existingPr.number} already up-to-date`);
+          console.log(
+            `${depName}: PR #${existingPr.number} already up-to-date`,
+          );
         }
         return Promise.resolve();
       }