compare_jjb.xml outputA/ outputB/

compare_jjb_xml.sh

#!/bin/bash

# Recursively compare XML outputs of two JJB test runs

set -e

A_DIR="$1"
B_DIR="$2"

# Cleanup trailing slashes if exist
A_DIR=${A_DIR%/}
B_DIR=${B_DIR%/}

REPORT_DIR="diff"
LOGFILE="${REPORT_DIR}/diff.log"
HTML="report.html"
TXT="report.txt"

CHANGED=0
ADDED=0
REMOVED=0

mkdir -p "${REPORT_DIR}"

DIFF="$(diff -q -r -u -N "${A_DIR}" "${B_DIR}" &>"${LOGFILE}"; echo ${?})"

# are there any changes?

if [[ ${DIFF} -eq 0 ]]; then
    echo "No changes found, clean exit"
    exit 0
fi

if [[ ${DIFF} -eq 2 ]]; then
    echo "ERROR: Can not calculate diff"
    exit 1
fi

# DIFF=1 thus there is a difference
# Loop through all changed jobs and compare them with a blocklist
for A_FILE in $(awk '/Files/ {print $2}' "${LOGFILE}"); do

    JOB_NAME="$(basename ${A_FILE})"
    
    # We support several Jenkins instances in one repo, therefore A_DIR might include subfolders. We use JOB_PREFIX
    # variable to store path to the job file, relative to the A_DIR.
    A_PATH="$(dirname $A_FILE)"
    JOB_PREFIX="${A_PATH#${A_DIR}}"

    B_FILE="${B_DIR}${JOB_PREFIX}/${JOB_NAME}"
    
    REPORT_PATH="${REPORT_DIR}/${JOB_PREFIX}"
    mkdir -p "${REPORT_PATH}/diff"

    if [ ! -f "${A_FILE}" ]; then
        # Job exists in B only
        ADDED+=1
        echo "Added <a href=${BUILD_URL}artifact/output/${B_DIR}${JOB_PREFIX}/${JOB_NAME}/*view*/>${JOB_PREFIX}/${JOB_NAME}</a><br>" \
             >> "${REPORT_PATH}/added.${HTML}"
        echo "Added ${JOB_PREFIX}/${JOB_NAME}" >> "${REPORT_PATH}/added.${TXT}"

    elif [ ! -f "${B_FILE}" ]; then
        # Job exists in A only
        REMOVED+=1
        echo "Removed <a href=${BUILD_URL}artifact/output/${A_DIR}${JOB_PREFIX}/${JOB_NAME}/*view*/>${JOB_PREFIX}/${JOB_NAME}</a><br>" \
             >> "${REPORT_PATH}/removed.${HTML}"
        echo "Removed ${JOB_PREFIX}/${JOB_NAME}" >> "${REPORT_PATH}/removed.${TXT}"

    else
        CHANGED+=1
        diff -U 50 "${A_FILE}" "${B_FILE}" >> "${REPORT_PATH}/diff/${JOB_NAME}" || true
    
        echo "Changed <a href=${BUILD_URL}artifact/output/${REPORT_PATH}/diff/${JOB_NAME}/*view*/>${JOB_PREFIX}/${JOB_NAME}</a><br>" \
             >> "${REPORT_PATH}/changed.${HTML}"
        echo "Changed ${JOB_PREFIX}/${JOB_NAME}" >> "${REPORT_PATH}/changed.${TXT}"

    fi
done

find "$REPORT_DIR" -name "*.${HTML}" -exec cat {} \; > "${REPORT_DIR}/${HTML}"
find "$REPORT_DIR" -name "*.${TXT}" -exec cat {} \; > "${REPORT_DIR}/${TXT}"

cat "${REPORT_DIR}/${TXT}"