else "<unknown>" // It's a source distribution, we don't know.
    }
}


// pre-test/master/queue/alice/feature -> master
// pre-test/release/current/bob/bugfix -> release
// gh-readonly-queue/master/pr-1234-5678abcdef -> master
fun toMergeQueueBaseBranch(actualBranch: String): String = when {
    actualBranch.startsWith("pre-test/") || actualBranch.startsWith("gh-readonly-queue/") -> actualBranch.substringAfter("/").substringBefore("/")

            buildBranch.zip(buildRunningOnCi) { branch, ci ->
                val protectedBranches = listOf("master", "release")
                ci && !protectedBranches.contains(branch)
                    && !branch.startsWith("pre-test/")
                    && !branch.startsWith("gh-readonly-queue/")
            }
        ).zip(project.rerunAllTests) { enabled, rerunAllTests ->
            enabled && !rerunAllTests
        }

                )
        }
        skipConditionally(buildType)
    }
}

fun BuildStep.onlyRunOnGitHubMergeQueueBranch() {
    conditions {
        matches("teamcity.build.branch", "(pre-test/.*)|(gh-readonly-queue/.*)")
    }
}

fun BuildStep.skipConditionally(buildType: BuildType? = null) {
    // we need to run CompileALl unconditionally because of artifact dependency

                  <div class="well">
                      In order to accept this change add the following to <code>${relativePathToApiChanges()}</code>:
                    <pre>${prettyPrintJson(acceptanceJson)}</pre>
                  </div>
                </div>
                </p>
                <p>