fun extractIncompatibleVersionsError()

in src/main/kotlin/org/jetbrains/tinygoplugin/services/ErrorRegexUtil.kt [52:65]

• 12 lines of code
• 1 McCabe index (conditional complexity)

fun extractIncompatibleVersionsError(msg: String): Triple<String, String, String>? {
    val minor2DigitsRule = "([0-9]\\.[0-9][0-9])"
    val minor1DigitRule = "([0-9]\\.[0-9])" // rule produces 3 groups: (1d or 2d), (1d), (2d)
    val goVersionRule = "($minor1DigitRule|$minor2DigitsRule)"
    val errorPattern =
        Regex("""requires go version $goVersionRule through $goVersionRule, got go$goVersionRule\n""")

    val errorMatch = errorPattern.find(msg) ?: return null
    val oldestCompatibleGoVersion = errorMatch.groupValues[1] // 1st = 2nd or 3rd
    val latestCompatibleGoVersion = errorMatch.groupValues[4] // 4th = 5th or 6th
    val currentGoVersion = errorMatch.groupValues[7] // 7th = 8th or 9th

    return Triple(currentGoVersion, oldestCompatibleGoVersion, latestCompatibleGoVersion)
}