Groovy script for use with Jenkins to get builds of jobs that were run with a a certain parameter set to a certain value.

filter-job-builds-by-param-values.groovy

//def hi = hudson.model.Hudson.instance
// Just use Jenkins.instance, it's the same thing

def ji = Jenkins.instance

def param_name = "GERRIT_REFSPEC"
def job_pattern = /.*/ //Job Name pattern, used to select jobs we want to select
def param_value_filter = /.*/ // Pattern to select values of 

def matchedJobs = ji.items.findAll { job ->
    job.name =~ job_pattern 
}

matchedJobs.each {
  allBuilds = it.getBuilds()
  jobName = it.fullName
  allBuilds.each {
    def param_val = it.buildVariableResolver.resolve(param_name)
    if (param_val =~ param_value_filter) {
      println it.url + ' ' + param_val
  	}
  }
}