refactor: upgrade xo to version 0.23.0 (#25)

lib/git.js

@@ -48,7 +48,7 @@ async function push(origin, branch) {
 /**
  * @return {String} The sha of the head commit on the local repository
  */
-async function gitHead() {
+function gitHead() {
 	return execa.stdout('git', ['rev-parse', 'HEAD']);
 }
 
@@ -59,7 +59,7 @@ async function gitHead() {
  * @param  {string} branch The branch to verify
  * @return {Promise} The response received
  */
-async function verifyRemoteBranch(origin, branch) {
+function verifyRemoteBranch(origin, branch) {
 	return execa('git', ['ls-remote', '--exit-code', '--heads', origin, branch]);
 }
 
@@ -70,7 +70,7 @@ async function verifyRemoteBranch(origin, branch) {
  * @param  {boolean} create If the branch should be created
  * @return {Promise} The response received
  */
-async function checkout(branch, create) {
+function checkout(branch, create) {
 	if (create) {
 		return execa('git', ['checkout', '-b', branch]);
 	}
@@ -84,7 +84,7 @@ async function checkout(branch, create) {
  * @param  {string} branch The branch to merge into the current one
  * @return {Promise} The response received
  */
-async function merge(branch) {
+function merge(branch) {
 	return execa('git', ['merge', '--no-edit', '--commit', branch]);
 }
 
@@ -95,7 +95,7 @@ async function merge(branch) {
  * @param  {string} branch The branch name
  * @return {Promise} The response received
  */
-async function pull(origin, branch) {
+function pull(origin, branch) {
 	return execa('git', ['pull', origin, branch]);
 }
 

package.json

@@ -36,7 +36,7 @@
 		"semantic-release": "^15.7.0",
 		"sinon": "^6.1.3",
 		"tempy": "^0.2.1",
-		"xo": "^0.22.0"
+		"xo": "^0.23.0"
 	},
 	"engines": {
 		"node": ">=8.3"