From afb6174890cbe607e4049712d58dcda524fb6562 Mon Sep 17 00:00:00 2001
From: mtumiati <tumiatimanuel@gmail.com>
Date: Wed, 20 Nov 2019 12:45:39 +0100
Subject: [PATCH] Added detection for properties managed by enviromental
 variables

---
 index.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index e2dbb66..69dc479 100644
--- a/index.js
+++ b/index.js
@@ -111,6 +111,15 @@ function isExpoProject(projPath) {
 	}
 }
 
+/**
+ * Determine if the given property is managed by an enviromental variable
+ * @param {String} text
+ * @return {Boolean} true if the given property is managed by an enviromental variable
+ */
+function isManagedByEnvVariable(propertyText) {
+	return propertyText ? !!/\$\(\S+\)/g.exec(propertyText) : false;
+}
+
 /**
  * Versions your app
  * @param {Object} program commander/CLI-style options, camelCased
@@ -431,7 +440,8 @@ function version(program, projectPath) {
 												CFBundleShortVersionString: appPkg.version
 										  }
 										: {},
-									!programOpts.neverIncrementBuild
+									!programOpts.neverIncrementBuild &&
+										!isManagedByEnvVariable(json.CFBundleVersion)
 										? {
 												CFBundleVersion: getNewVersionCode(
 													programOpts,