How to Fix-Error: "Could not detect Mac OS X Version from sw_vers output: ‘10.12 ‘

Appium

Solution Appium Error: “Could not detect Mac OS X Version from sw_vers output: ‘10.12 ‘  

You can config file by this command:

• grep -rl “Could not detect Mac OS X Version from sw_vers output:” /Applications/Appium.app/

• Terminal will show : /Applications/Appium.app//Contents/Resources/node_modules/appium/node_modules/appium-support/build/lib/system.js /Applications/Appium.app//Contents/Resources/node_modules/appium/node_modules/appium-support/lib/system.js /Applications/Appium.app//Contents/Resources/node_modules/appium-support/build/lib/system.js /Applications/Appium.app//Contents/Resources/node_modules/appium-support/lib/system.js

• Use command vim or any text editor  and config each file.

Example 

a) vim /Applications/Appium.app//Contents/Resources/node_modules/appium/node_modules/appium-support/build/lib/system.js

• Change From -> case 10:
  _arr = [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’];
  _i = 0;

  To ->  case 10:
  _arr = [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’,’10.12′];
  _i = 0;

b) vim /Applications/Appium.app//Contents/Resources/node_modules/appium/node_modules/appium-support/lib/system.js

Change From ->  try {
stdout = (await exec(‘sw_vers’, [‘-productVersion’])).stdout;
}

To -> . try {
stdout = (await exec(‘sw_vers’, [‘-productVersion’])).stdout.trim();
}

Change From ->for (let v of [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’]) {
if (stdout.indexOf(v) === 0) { return v; }
}

To -> . for (let v of [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’,’10.12′]) {
if (stdout.indexOf(v) === 0) { return v; }
}

c) vim /Applications/Appium.app//Contents/Resources/node_modules/appium-support/build/lib/system.js

Change From -> . case 10:
_arr = [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’];
_i = 0;

To -> . case 10:
_arr = [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’,’10.12′];
_i = 0;

d) vim /Applications/Appium.app//Contents/Resources/node_modules/appium-support/lib/system.js

Change From -> . try {
stdout = (await exec(‘sw_vers’, [‘-productVersion’])).stdout;
}

To -> . try {
stdout = (await exec(‘sw_vers’, [‘-productVersion’])).stdout.trim();
}
Change From -> . for (let v of [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’]) {
if (stdout.indexOf(v) === 0) { return v; }
}

To -> . for (let v of [‘10.8’, ‘10.9’, ‘10.10’, ‘10.11’,’10.12′]) {
if (stdout.indexOf(v) === 0) { return v; }
}
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