Include failure logs.

Author: szmyd

.jenkins/Jenkinsfile

@@ -30,7 +30,8 @@ pipeline {
         stage("Pre-flight") {
             steps {
                 script {
-                    SLACK_THREAD = slackSend(color: '#0063D1', channel: '#sds-ci', message: "🚀 *${PROJECT}* `${VER}` on `${BRANCH_NAME}` — build #${BUILD_NUMBER} has begun systems check\nCountdown initiated. Manage your expectations.\n<${BUILD_URL}|Watch nervously>").threadId
+                    def slackResponse = slackSend(color: '#0063D1', channel: '#sds-ci', message: "🚀 *${PROJECT}* `${VER}` on `${BRANCH_NAME}` — build #${BUILD_NUMBER} has begun systems check\nCountdown initiated. Manage your expectations.\n<${BUILD_URL}|Watch nervously>")
+                    SLACK_THREAD = slackResponse?.threadId ?: '#sds-ci'
                     sh "conan graph info -s:h build_type=Debug ${CONAN_FLAGS} ."
                     sh "conan graph info -s:h build_type=RelWithDebInfo -o sisl/*:malloc_impl=tcmalloc ${CONAN_FLAGS} ."
                 }
@@ -66,7 +67,12 @@ pipeline {
 
     post {
         failure {
-            slackSend color: '#E43237', channel: "${SLACK_THREAD}", replyBroadcast: true, message: "💀 *${PROJECT}* `${VER}` (`${BRANCH_NAME}`) build #${BUILD_NUMBER} didn't make it\nHeld on for _${currentBuild.durationString}_ before calling it quits\n<${BUILD_URL}|Post-mortem>\n🪦"
+            script {
+                def log = currentBuild.rawBuild.getLog(25)
+                    .collect { it.replaceAll(/\x1B\[[0-9;]*[a-zA-Z]/, '') }
+                    .join('\n')
+                slackSend color: '#E43237', channel: "${SLACK_THREAD}", replyBroadcast: true, message: "💀 *${PROJECT}* `${VER}` (`${BRANCH_NAME}`) build #${BUILD_NUMBER} didn't make it\nHeld on for _${currentBuild.durationString}_ before calling it quits\n<${BUILD_URL}|Post-mortem>\n🪦\n\`\`\`${log}\`\`\`"
+            }
         }
         success {
             slackSend color: '#85B717', channel: "${SLACK_THREAD}", replyBroadcast: true, message: "✅ *${PROJECT}* `${VER}` (`${BRANCH_NAME}`) build #${BUILD_NUMBER} — it actually worked\nDebug + RelWithDebInfo both green in _${currentBuild.durationString}_\n<${BUILD_URL}|Full report>\n🍾 Mission successful!"