node {

stage('Prepare/Checkout') {
    dir('repo-master') {
        git credentialsId: 'secret_access', poll: false , url: 'ssh://git@company.url.com:7999/xxx/repo.git'
    }
    bat('del -f d:\\xxx\\yy.zip >nul 2>&1')
}
}

...
 > git.exe checkout -b master 3579a579a89ccee5892fbb94951f868020a9d4f7
 > git.exe rev-list 3579a579a89ccee5892fbb94951f868020a9d4f7 # timeout=10
[Pipeline] }
[Pipeline] // dir
[Pipeline] bat
[workspace] Running batch script
'cmd' is not recognized as an internal or external command,
operable program or batch file.
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
ERROR: script returned exit code 9009
Finished: FAILURE