def repository = new GithubBuilder()
        .build(githubCredential)
        .getRepository(pullRequestInfo.repositoryFullName)

GHContent ghContent = repository.getFileContent(filePath, pullRequestInfo.branchName)

if(!repository.branches.find { Map.Entry entry -> entry.key == pullRequestInfo.branchName}) {
    echo "branch ${pullRequestInfo.branchName} DOES NOT exist"
    log.info("Branch ${pullRequestInfo.branchName} does not exist")
} else {
    echo "branch ${pullRequestInfo.branchName} exist"
    log.info("Using branch ${pullRequestInfo.branchName}")
    repository.createContent()
            .path(ghContent.path)
            .content(fileContent)
            .branch(pullRequestInfo.branchName)
            .message(commitMessage)
            .sha(ghContent.sha)
            .commit()

    log.info("File ${ghContent.path} updated on branch ${pullRequestInfo.branchName}")
} 

hudson.remoting.ProxyException: org.kohsuke.github.HttpException: {"message":"xxxxx/xxxxxx/terraform.tfvars does not match de388744f1563ba424e35610156bdda5aef2a8b5","documentation_url":"https://docs.github.com/rest/repos/contents#create-or-update-file-contents"} at org.kohsuke.github.GitHubConnectorResponseErrorHandler$1.onError(GitHubConnectorResponseErrorHandler.java:56) at org.kohsuke.github.GitHubClient.detectKnownErrors(GitHubClient.java:424) ...
...
....
Could not update commit status. Message: {"message":"Validation Failed","errors":[{"resource":"Status","code":"custom","message":"This SHA and context has reached the maximum number of statuses."}],"documentation_url":"https://docs.github.com/rest/commits/statuses#create-a-commit-status"}