// vars/gatherInfo.groovy   
def call(String branchOverride = null) {
    def duration = currentBuild.durationString.replace(' and counting', '')
    def commitMsg  = sh(returnStdout: true, script: 'git log -1 --pretty=%B').trim()
    def author     = sh(returnStdout: true, script: 'git log -1 --pretty=%an').trim()
    def commitTime = sh(returnStdout: true, script: 'git log -1 --pretty=%ci').trim()
    def causes = currentBuild.getBuildCauses('hudson.model.Cause$UserIdCause')
    def builder = causes.isEmpty() ? 'auto' : causes[0].userId 
    
    def branch = branchOverride ?: env.GIT_BRANCH ?: env.BRANCH_NAME ?: 'unknown'

    def buildUrl = env.BUILD_URL.replace('http://68.79.46.88:8080', 'https://jenkins.adwebcloud.com')

    return [
        duration : duration,
        commitMsg: commitMsg,
        author   : author,
        commitTime: commitTime,
        branch   : branch,
        buildUrl : buildUrl,
        builder  : builder 
    ]
}