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package com.getbootstrap.savage.server
import org.eclipse.egit.github.core.RepositoryId
import com.getbootstrap.savage.github._
import com.getbootstrap.savage.github.util.RichRepositoryId
import com.getbootstrap.savage.util.{ErrorExit, SuccessfulExit, SimpleSubprocess}
import com.getbootstrap.savage.util.{RichPath,UnixFileSystemString}
class PullRequestPusher extends GitHubActorWithLogging {
private val gitRemoteRefsDirectory = ".git/refs/remotes".asUnixPath
override def receive = {
case PullRequestPushRequest(originRepo, prNum, commitSha) => {
if (pull(originRepo)) {
push(originRepo = originRepo, prNum = prNum, commitSha = commitSha)
}
}
}
def pull(originRepo: RepositoryId): Boolean = {
// clobberingly fetch all branch heads into a dummy remote
SimpleSubprocess(Seq("git", "fetch", "--no-tags", "--recurse-submodules=no", originRepo.asPullRemote, "+refs/heads/*:refs/remotes/scratch/*")).run() match {
case SuccessfulExit(_) => {
log.info(s"Successfully fetched from ${originRepo}")
true
}
case ErrorExit(exitValue, output) => {
log.error(s"Error fetching from ${originRepo}:\nExit code: ${exitValue}\n${output}")
false
}
}
}
def push(originRepo: RepositoryId, prNum: PullRequestNumber, commitSha: CommitSha): Boolean = {
val newBranch = {
val branchName = settings.BranchPrefix + prNum.number
Branch(branchName).getOrElse {
throw new SecurityException(s"Generated insecure branch name: ${branchName}")
}
}
val branchSpec = s"${commitSha.sha}:${newBranch.asRef}"
val destRemote = settings.TestRepoId.asPushRemote
val success = SimpleSubprocess(Seq("git", "push", "-f", destRemote, branchSpec)).run() match {
case SuccessfulExit(_) => {
log.info(s"Successfully pushed ${commitSha} from ${originRepo} to ${destRemote} as ${newBranch}")
true
}
case ErrorExit(exitValue, output) => {
log.error(s"Error pushing ${commitSha} from ${originRepo} to ${destRemote} as ${newBranch}:\nExit code: ${exitValue}\n${output}")
false
}
}
// delete all remote refs
implicit val logger = log
gitRemoteRefsDirectory.deleteRecursively()
success
}
}
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