Abandon travis-ci for jenkins

.ci/Jenkinsfile

@@ -0,0 +1,42 @@
+properties(
+    [
+        disableConcurrentBuilds()
+    ]
+)
+
+node('linux && docker') {
+    try {
+    stage('Checkout') {
+        //branch name from Jenkins environment variables
+        echo "My branch is: ${env.BRANCH_NAME}"
+
+        // this doesn't grab tags pointing to this branch
+        //checkout scm
+        // this hack does... https://issues.jenkins.io/browse/JENKINS-45164
+        checkout([
+            $class: 'GitSCM',
+            branches: [[name: 'refs/heads/'+env.BRANCH_NAME]],
+            extensions: [[$class: 'CloneOption', noTags: false, shallow: false, depth: 0, reference: '']],
+            userRemoteConfigs: scm.userRemoteConfigs,
+        ])
+        sh '''
+        set -euxo pipefail
+        git checkout "$BRANCH_NAME" --
+        git reset --hard "origin/$BRANCH_NAME"
+        '''
+    }
+
+    stage('Build + Deploy') {
+        sh 'curl --compressed -sL https://code.moparisthebest.com/moparisthebest/self-ci/raw/branch/master/build-ci.sh | bash'
+    }
+
+        currentBuild.result = 'SUCCESS'
+    } catch (Exception err) {
+        currentBuild.result = 'FAILURE'
+    } finally {
+        stage('Email') {
+            step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: 'admin.jenkins@moparisthebest.com', sendToIndividuals: true])
+        }
+        deleteDir()
+    }
+}

.ci/build.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+set -euxo pipefail
+
+# Java 14+ java.lang.Record is ambiguous with hssf.Record :'(
+[ $JAVA_VERSION -lt 7 -o $JAVA_VERSION -gt 13 ] && echo "build does not support JAVA_VERSION: $JAVA_VERSION" && exit 0
+
+echo "starting build for JAVA_VERSION: $JAVA_VERSION"
+
+# grab all deps with java 8
+[ $JAVA_VERSION -eq 7 ] && run-java 8 mvn dependency:go-offline
+
+# install deps
+mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V
+
+if [ $JAVA_VERSION -lt 12 ]
+then
+    # clean and test
+    mvn clean test -B
+else
+    # clean and test
+    mvn clean test -B -Djava.version=7 # java12+ minimum target is 7, not 6
+fi
+
+# publish only from java 6 and master branch
+if [ "$BRANCH_NAME" == "master" -a $JAVA_VERSION -eq 7 ]
+then
+    echo 'deploying to maven'
+    # java 7 cannot do modern SSL, use java 8 to deploy
+    run-java 8 mvn deploy -Dmaven.test.skip=true -B
+
+    mkdir -p release
+    find -type f -name '*.jar' -print0 | xargs -0n1 -I {} mv '{}' 'release/'
+fi
+
+echo 'build success!'
+exit 0

.travis-settings.xml

@@ -1,9 +0,0 @@
-<settings>
-    <servers>
-        <server>
-            <id>sonatype-nexus-snapshots</id>
-            <username>${env.SONATYPE_USERNAME}</username>
-            <password>${env.SONATYPE_PASSWORD}</password>
-        </server>
-    </servers>
-</settings>

.travis.yml

@@ -1,32 +0,0 @@
-language: java
-sudo: false
-
-matrix:
-  include:
-    - env: JDK='OpenJDK 7'
-      jdk: openjdk7
-    - env: JDK='OpenJDK 8'
-      jdk: openjdk8
-    - env: JDK='OpenJDK 9'
-      install: . ./install-jdk.sh -F 9 -L GPL
-    - env: JDK='OpenJDK 10'
-      install: . ./install-jdk.sh -F 10 -L GPL
-    - env: JDK='OpenJDK 11'
-      install: . ./install-jdk.sh -F 11 -L GPL
-    - env: JDK='OpenJDK 12'
-      install: . ./install-jdk.sh -F 12 -L GPL
-      script: mvn test -B -Djava.version=7 # java12 minimum target is 7, not 6
-    - env: JDK='OpenJDK 13'
-      install: . ./install-jdk.sh -F 13 -L GPL
-      script: mvn test -B -Djava.version=7 # java13 minimum target is 7, not 6
-
-before_install: wget https://raw.githubusercontent.com/sormuras/bach/master/install-jdk.sh
-
-after_success:
-  - if [[ "${JDK}" == 'OpenJDK 7' ]]; then
-      mvn deploy --settings .travis-settings.xml -Dmaven.test.skip=true -B || travis_terminate 1;
-    fi
-
-cache:
-  directories:
-    - $HOME/.m2

README.md

@@ -1,7 +1,7 @@
 POI Fast Calc
 ======================
 
-[![Travis-CI Build Status](https://api.travis-ci.org/moparisthebest/poi.svg?branch=master)](https://travis-ci.org/moparisthebest/poi)
+[![Build Status](https://ci.moparisthe.best/job/moparisthebest/job/poi/job/master/badge/icon%3Fstyle=plastic)](https://ci.moparisthe.best/job/moparisthebest/job/poi/job/master/)
 
 A Java library to calculate Excel formulas quickly.