fix(gen): fix yarn check command

Awk34 · web-flow · commit 9ea681c2f75d · 2017-05-03T11:00:53.000-04:00
diff --git a/src/generators/app/index.js b/src/generators/app/index.js
@@ -610,7 +610,7 @@ export class Generator extends Base {
       if (process.platform === 'win32') {
         yarnCheckCommand = 'yarn --version >nul 2>&1';
       } else {
-        yarnCheckCommand = 'type yarn &> /dev/null';
+        yarnCheckCommand = 'type yarn >/dev/null 2>&1';
       }
       exec(yarnCheckCommand, (error, stdout, stderr) => {
         return this.spawnCommand((!error) ? 'yarn' : 'npm', ['install']);

Original file line number	Diff line number	Diff line change
`@@ -610,7 +610,7 @@ export class Generator extends Base {`
`610`	`610`	`if (process.platform === 'win32') {`
`611`	`611`	`yarnCheckCommand = 'yarn --version >nul 2>&1';`
`612`	`612`	`} else {`
`613`		`- yarnCheckCommand = 'type yarn &> /dev/null';`
	`613`	`+ yarnCheckCommand = 'type yarn >/dev/null 2>&1';`
`614`	`614`	`}`
`615`	`615`	`exec(yarnCheckCommand, (error, stdout, stderr) => {`
`616`	`616`	`return this.spawnCommand((!error) ? 'yarn' : 'npm', ['install']);`