Files
orx/orx-jvm/orx-git-archiver/src/main/kotlin/NativeGit.kt

62 lines
2.2 KiB
Kotlin

package org.openrndr.extra.gitarchiver
import java.io.File
import java.io.IOException
import java.util.concurrent.TimeUnit
private val dir = File(".")
class NativeGit : GitProvider {
override fun commitChanges(commitMessage: String) {
val gitStatus = listOf("git", "status", "--porcelain").runCommand(dir)!!
if (gitStatus.first.isNotBlank()){
if (gitStatus.first.contains("Not a git repository")){
logger.error { "Can't commit changes because the working directory is not a git repository" }
} else {
listOf("git", "add", ".").runCommand(dir)
listOf("git", "commit", "-m", commitMessage).runCommand(dir)
logger.info { "git repository is at ${headReference()} after commit" }
}
} else {
logger.info { "no changes" }
}
}
override fun headReference(): String {
return listOf("git", "rev-parse", "--short", "HEAD").runCommand(dir)!!.first.trimEnd()
}
override fun logReferences(count: Int): List<String> {
val (out, err) = listOf("git", "log", "-$count", "--pretty=format:%h").runCommand(dir) ?: error("failed to get log references")
return out.split("\n").map { it.trim() }
}
override fun show(reference: String): String {
val (out, err) = listOf("git", "show", reference, "-U0").runCommand(dir) ?: error("failed to get diff")
return out
}
}
internal fun nativeGitInstalled(): Boolean {
return listOf("git", "--version").runCommand(dir) != null
}
// Adapted from https://stackoverflow.com/questions/35421699/how-to-invoke-external-command-from-within-kotlin-code
private fun List<String>.runCommand(workingDir: File): Pair<String, String>? {
try {
val proc = ProcessBuilder(*toTypedArray())
.directory(workingDir)
.redirectOutput(ProcessBuilder.Redirect.PIPE)
.redirectError(ProcessBuilder.Redirect.PIPE)
.start()
proc.waitFor(60, TimeUnit.MINUTES)
return Pair(proc.inputStream.bufferedReader().readText(), proc.errorStream.bufferedReader().readText())
} catch(e: IOException) {
logger.error { e.message }
e.printStackTrace()
return null
}
}