Add Jenkinsfile and build deb package

Jenkinsfile

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+env.name                   = "github-backup"
+env.description            = "github-backup is a small tool to backup all private and public repositories from a specific GitHub organization."
+env.maintainer             = "ops <[email protected]>"
+env.homepage               = "https://github.com/productsupcom/github-backup"
+String dockerImage         = "golang:1.21"
+env.version
+env.branch
+env.gitCommitHash
+env.gitCommitAuthor
+env.gitCommitMessage
+env.package_file_name
+
+pipeline {
+    agent { label 'jenkins-4'}
+    options {
+        buildDiscarder(
+            logRotator(
+                numToKeepStr: '5',
+                artifactNumToKeepStr: '5'
+            )
+        )
+        timestamps()
+        timeout(time: 1, unit: 'HOURS')
+        disableConcurrentBuilds()
+        skipDefaultCheckout()
+    }
+
+    stages {
+        stage("Checkout") {
+            steps {
+                gitCheckout()
+            }
+        }
+
+        stage('Prepare Info') {
+            steps {
+                prepareInfo()
+            }
+        }
+
+        // Pull docker image to use for the tests / build
+        stage('Pull image') {
+            steps {
+                script {
+                    docker.withRegistry('https://docker.productsup.com', 'docker-registry') {
+                        sh "docker pull ${dockerImage}"
+                    }
+                }
+            }
+        }
+
+        stage('Run Tests') {
+            agent {
+                docker {
+                    image "${dockerImage}"
+                    // reuseNode is needed to make sure we got all the required information
+                    reuseNode true
+                }
+            }
+            steps {
+                sh 'go test'
+            }
+        }
+
+        // Build go binary
+        stage('Build go package') {
+            agent {
+                docker {
+                    image "${dockerImage}"
+                    // reuseNode is needed to make sure we got all the required information
+                    reuseNode true
+                }
+            }
+            steps {
+                // build and set internal variable appVersion to current version
+                sh "go build -o ./build/${name} -ldflags \"-X main.version=${env.version}\""
+            }
+        }
+
+        // build production deb package when we build a tag.
+        // we use different naming for the packages in dev and prod
+        stage ('Build and publish prod deb package') {
+            when {
+                buildingTag()
+            }
+            steps {
+                setPackageName(customName: "${env.name}_${env.version}")
+                // build
+                buildDebPackageBin(
+                    package_internal_name: "${env.name}",
+                    package_file_name: "${env.package_file_name}",
+                    version: "${env.version}",
+                    description: "${env.description}",
+                    homepage: "${env.homepage}",
+                    maintainer: "${env.maintainer}"
+                )
+                // publish
+                publishDebPackage(package_name: "${env.package_file_name}_all.deb")
+                uploadFileToGithubRelease('productsupcom', env.name, env.TAG_NAME, "${env.name}", "build/${env.name}")
+            }
+        }
+    }
+
+    // Run post jobs steps
+    post {
+        cleanup {
+            cleanWs deleteDirs: true
+        }
+    }
+}

nfpm.yaml

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+name: ""
+arch: "all"
+platform: "linux"
+version: "${version}"
+section: "utils"
+priority: extra
+maintainer: ""
+description: ""
+vendor: "Productsup"
+homepage: ""
+contents:
+  - src: ./build/github-backup
+    dst: /usr/bin/github-backup