27 lines
754 B
Kotlin
27 lines
754 B
Kotlin
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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.]+)\\.0".toRegex()
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private val tagOffset = "([0-9.]+)\\.0-([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(): 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[0]
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}
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tagOffset.useMatcher(str) {
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return it.groupValues[1] + "." + it.groupValues[2]
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}
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return "nogitversion"
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}
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