--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/kotlin/de/uapcore/lightpit/vcs/VcsConnector.kt Tue Jul 18 18:05:49 2023 +0200
@@ -0,0 +1,63 @@
+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)) }
+ }
+ }
+}
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