From b8b197969411b94d9cad847562773a2aafd910bf Mon Sep 17 00:00:00 2001
From: Sebastian Hildebrandt <hildebrandt@plus-innovations.com>
Date: Wed, 17 Nov 2021 23:09:58 +0100
Subject: [PATCH] versions() fix monterey python2 issue (mac OS)

---
 lib/osinfo.js | 19 ++++++++++++-------
 lib/util.js   | 22 ++++++++++++++++++++++
 2 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/lib/osinfo.js b/lib/osinfo.js
index b144b02..17757cb 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -595,7 +595,7 @@ function versions(apps, callback) {
         }
         if ({}.hasOwnProperty.call(appsObj.versions, 'git')) {
           if (_darwin) {
-            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/git');
+            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/git') || fs.existsSync('/opt/homebrew/bin/git');
             if (util.darwinXcodeExists() || gitHomebrewExists) {
               exec('git --version', function (error, stdout) {
                 if (!error) {
@@ -780,9 +780,14 @@ function versions(apps, callback) {
         }
         if ({}.hasOwnProperty.call(appsObj.versions, 'python')) {
           if (_darwin) {
-            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/python');
-            if (util.darwinXcodeExists() || gitHomebrewExists) {
-              exec('python -V 2>&1', function (error, stdout) {
+            const stdout = execSync('sw_vers');
+            const lines = stdout.toString().split('\n');
+            const osVersion = util.getValue(lines, 'ProductVersion', ':');
+            const gitHomebrewExists1 = fs.existsSync('/usr/local/Cellar/python');
+            const gitHomebrewExists2 = fs.existsSync('/opt/homebrew/bin/python');
+            if ((util.darwinXcodeExists() && util.semverCompare('12.0.1', osVersion) < 0) || gitHomebrewExists1 || gitHomebrewExists2) {
+              const cmd = gitHomebrewExists1 ? '/usr/local/Cellar/python -V 2>&1' : (gitHomebrewExists2 ? '/opt/homebrew/bin/python -V 2>&1' : 'python -V 2>&1')
+              exec(cmd, function (error, stdout) {
                 if (!error) {
                   const python = stdout.toString().split('\n')[0] || '';
                   appsObj.versions.python = python.toLowerCase().replace('python', '').trim();
@@ -804,7 +809,7 @@ function versions(apps, callback) {
         }
         if ({}.hasOwnProperty.call(appsObj.versions, 'python3')) {
           if (_darwin) {
-            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/python3');
+            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/python3') || fs.existsSync('/opt/homebrew/bin/python3');
             if (util.darwinXcodeExists() || gitHomebrewExists) {
               exec('python3 -V 2>&1', function (error, stdout) {
                 if (!error) {
@@ -828,7 +833,7 @@ function versions(apps, callback) {
         }
         if ({}.hasOwnProperty.call(appsObj.versions, 'pip')) {
           if (_darwin) {
-            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/pip');
+            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/pip') || fs.existsSync('/opt/homebrew/bin/pip');
             if (util.darwinXcodeExists() || gitHomebrewExists) {
               exec('pip -V 2>&1', function (error, stdout) {
                 if (!error) {
@@ -854,7 +859,7 @@ function versions(apps, callback) {
         }
         if ({}.hasOwnProperty.call(appsObj.versions, 'pip3')) {
           if (_darwin) {
-            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/pip3');
+            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/pip3') || fs.existsSync('/opt/homebrew/bin/pip3');
             if (util.darwinXcodeExists() || gitHomebrewExists) {
               exec('pip3 -V 2>&1', function (error, stdout) {
                 if (!error) {
diff --git a/lib/util.js b/lib/util.js
index 7bdce76..5f0d80d 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -1089,6 +1089,27 @@ function plistParser(xmlStr) {
   }
 }
 
+function semverCompare(v1, v2) {
+  let res = 0;
+  const parts1 = v1.split('.');
+  const parts2 = v2.split('.');
+  if (parts1[0] < parts2[0]) { res = 1; }
+  else if (parts1[0] > parts2[0]) { res = -1; }
+  else if (parts1[0] === parts2[0] && parts1.length >= 2 && parts2.length >= 2) {
+    if (parts1[1] < parts2[1]) { res = 1; }
+    else if (parts1[1] > parts2[1]) { res = -1; }
+    else if (parts1[1] === parts2[1]) {
+      if (parts1.length >= 3 && parts2.length >= 3) {
+        if (parts1[2] < parts2[2]) { res = 1; }
+        else if (parts1[2] > parts2[2]) { res = -1; }
+      } else if (parts2.length >= 3) {
+        res = 1;
+      }
+    }
+  }
+  return res;
+}
+
 function noop() { }
 
 exports.toInt = toInt;
@@ -1134,3 +1155,4 @@ exports.stringStartWith = stringStartWith;
 exports.mathMin = mathMin;
 exports.WINDIR = WINDIR;
 exports.getFilesInPath = getFilesInPath;
+exports.semverCompare = semverCompare;