How can I get the build number as a environment variable? [Flutter] [iOS]

[DanielJaramillo94]

If I do not set the flag --build-number when running flutter build ipa --release, then the CFBundleVersion is build_number I set on the pubspec.yaml of my project (which format is {major}.{minor}.{patch}+{build_number}, as you well know), that is an integer.

I want to access that build_number in CodeMagic so I can, for example, set flutter build ipa --release --build-number=$BUILD_NUMBER.1.

How can I do that?

[himesh-cm]

Hi @DanielJaramillo94, Yes, you can set. It will automatically fetch

flutter build ipa --release --build-name=1.0.$PROJECT_BUILD_NUMBER --build-number=$PROJECT_BUILD_NUMBER

You can read more about build versioning here.

[DanielJaramillo94]

Hi @himesh-cm, thank you for your response.

$PROJECT_BUILD_NUMBER is a built-in environment variable and stores the number of builds we have made on CodeMagic. This variable does not correspond to what I am asking.

[DanielJaramillo94]

I managed to do it using custom environment variables.
I use this pre-build script to store the build_number in a variable called FLUTTER_BUILD_NUMBER.

version=$(grep -E "^version: .+\+.+" /Users/builder/clone/pubspec.yaml); buildVersion=$(echo $version | awk -F "+" '{print $2}'); echo "FLUTTER_BUILD_NUMBER=$buildVersion" >> $CM_ENV;

More info about custom environment variables here.