26 lines
781 B
Kotlin
26 lines
781 B
Kotlin
fun execString(vararg args: String): String {
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val pb = ProcessBuilder(*args)
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.redirectOutput(ProcessBuilder.Redirect.PIPE)
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.start()
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pb.waitFor()
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return pb.inputStream.readAllBytes().decodeToString().trim()
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}
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private val tag = "([0-9.]+)(?:\\+[^-]*)?".toRegex()
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private val tagOffset = "([0-9.]+)(?:\\+.*)?-([0-9]+)-(.+)".toRegex()
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inline fun <T> Regex.useMatcher(string: String, block: (MatchResult) -> T): T? {
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return matchEntire(string)?.let(block)
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}
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fun getGitTagInfo(mcVersion: String): String {
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val str = execString("git", "describe", "--tags", "HEAD")
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tag.useMatcher(str) {
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return it.groupValues[1] + "+mc$mcVersion"
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}
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tagOffset.useMatcher(str) {
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return it.groupValues[1] + "-dev+mc$mcVersion+" + it.groupValues[3]
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}
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return "nogitversion+mc$mcVersion"
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}
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