Script to cleanup jenkins build

clearJenkinsBuilds.sh

#!/bin/bash
## How many builds do you want to keep
KEEP_LAST_BUILDS=5

if [[ $# -lt 2 ]]; then
    echo "Usage: $(basename $0) 'url' 'project name'"
    echo "Example: $(basename $0) 'http://jenkins.example.com' 'example'"
    exit 1
fi

## Read Arguments
JENKINS_URL="$1"
PROJECT="${2// /%20}"   # Replace space by %20

## Find Available builds
BUILDS=$(curl -s "$JENKINS_URL/job/$PROJECT/" | grep "Last build" | grep -Eo '#[0-9]{1,10}' | sort| uniq | awk -F'#' '{print $2}'| sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/ /g')

## Echo
echo "[>] Project: $PROJECT"
echo "[>] Url:     $JENKINS_URL/job/$PROJECT/"
echo "[>] Builds:  $BUILDS"

##
LIMIT=0
for build in ${BUILDS[@]}; do
  let LIMIT=LIMIT+1
done
echo "[>] Amount:  $LIMIT"

if [[ $LIMIT > $KEEP_LAST_BUILDS ]]; then
  LIMIT=$(($LIMIT - $KEEP_LAST_BUILDS))
  i=0
  for build in ${BUILDS[@]}; do
    if [[ $i < $LIMIT ]]; then
      echo "[$build] doDelete"
      if curl -X POST "$JENKINS_URL/job/$PROJECT/$build/doDelete" >/dev/null 2>&1 ; then
        echo "  [>] success"
      else
        echo "  [!] failed"
      fi
    else
      echo "[$build] keep"
    fi
    let i=i+1
  done
fi

echo "[>] Script done"