jenkins: add fdroid deploy steps

Jenkinsfile

@@ -23,9 +23,50 @@ pipeline {
                             }
                         }
                         stage('Deploy') {
+                            stages {
+                                stage('Checkout F-Droid Repo') {
                                     steps {
-                                echo 'Push to f-droid not yet implemented, archiving instead'
-                                archiveArtifacts artifacts: 'build/app/outputs/apk/release/app-release.apk'
+                                        dir("fdroid-repo") {
+                                            git branch: 'binaries', url: "https://gitlab.julian-mutter.de/julian/fdroid-frajul.git"
+                                        }
+                                    }
+                                }
+
+                                stage('Decrypt keys') {
+                                    steps {
+                                        dir("fdroid-repo") {
+                                            sh './decrypt.sh'
+                                        }
+                                    }
+                                }
+
+                                stage('Copy APK') {
+                                    steps {
+                                        sh "cp build/app/outputs/apk/release/app-release.apk fdroid-repo/fdroid/repo/sheetless.apk"
+                                    }
+                                }
+
+                                stage('Update Metadata') {
+                                    steps {
+                                        dir("fdroid-repo") {
+                                            sh './update-repo.sh'
+                                        }
+                                    }
+                                }
+
+                                stage('Push updates') {
+                                    steps {
+                                        dir("fdroid-repo") {
+                                            sh '''
+                                                git checkout master
+                                                git add .
+                                                git commit -m "Update repo from CI"
+                                                git push origin master
+                                                ./push-apks.sh 
+                                            '''
+                                        }
+                                    }
+                                }
                             }
                         }
                     }