shouldBuildFromSource function
Reads the build_from_source user-defined flag from input.
Returns true if the user has set hooks.user_defines.<package>.build_from_source
to true, or false otherwise.
Implementation
bool shouldBuildFromSource(HookInput input) {
final buildFromSource = input.userDefines['build_from_source'];
if (buildFromSource is bool) {
return buildFromSource;
}
return false;
}