Tue, 18 Jul 2023 18:05:49 +0200
add working Mercurial commit log parser
fixes #274
package de.uapcore.lightpit.vcs import java.nio.file.Path import java.util.concurrent.TimeUnit abstract class VcsConnector(protected val path: String) { /** * Invokes the VCS binary with the given [args] and returns the output on stdout. */ protected fun invokeCommand(workingDir: Path, vararg args : String): VcsConnectorResult<String> { return try { val command = mutableListOf(path) command.addAll(args) val process = ProcessBuilder(command).directory(workingDir.toFile()).start() val stdout = String(process.inputStream.readAllBytes(), Charsets.UTF_8) if (process.waitFor(30, TimeUnit.SECONDS)) { if (process.exitValue() == 0) { VcsConnectorResult.Success(stdout) } else { VcsConnectorResult.Error("VCS process did not return successfully.") } } else { VcsConnectorResult.Error("VCS process did not return in time.") } } catch (e: Throwable) { VcsConnectorResult.Error("Error during process invocation: "+e.message) } } /** * Takes a [commitLog] in format `::lpitref::{node}:{desc}` and parses commit references. * Supported references are (in this example, 47 is the issue ID): * - fixes #47 * - fix #47 * - closes #47 * - close #47 * - relates to #47 */ protected fun parseCommitRefs(commitLog: String): List<CommitRef> = buildList { val marker = "::lpitref::" var currentHash = "" var currentDesc = "" for (line in commitLog.split("\n")) { // see if current line contains a new log entry if (line.startsWith(marker)) { val head = line.substring(marker.length).split(':', limit = 2) currentHash = head[0] currentDesc = head[1] } // skip possible preamble output if (currentHash.isEmpty()) continue // scan the lines for commit references Regex("""(?:relates to|fix(?:es)?|close(?:es)?) #(\d+)""") .findAll(line) .map { it.groupValues[1] } .map { it.toIntOrNull() } .filterNotNull() .forEach { commitId -> add(CommitRef(currentHash, commitId, currentDesc)) } } } }