Add release information to artefact (#85)

* Add file with build information to artefacts

* Escape characters

* Try more escaping

* Separate getting git commit from printing it

* Fix command that was copied from other Jenkinsfile

* Fix BUILD_INFO commands

Jenkinsfile

@@ -181,6 +181,13 @@ def docker_tests_coverage(image_key) {
 def docker_archive(image_key) {
     def custom_sh = images[image_key]['sh']
 
+    git_commit = sh(
+        script: """docker exec ${container_name(image_key)} ${custom_sh} -c \"
+                cd ${project} && git rev-parse HEAD
+            \"""",
+        returnStdout: true
+    ).trim()
+
     sh """docker exec ${container_name(image_key)} ${custom_sh} -c \"
                         mkdir -p archive/event-formation-unit && \
                         cp -r ${project}/build/bin archive/event-formation-unit && \
@@ -195,10 +202,17 @@ def docker_archive(image_key) {
                         cp -r ${project}/prototype2/multigrid/calib_data/* archive/event-formation-unit/data && \
                         cd archive && \
                         tar czvf event-formation-unit-centos7.tar.gz event-formation-unit
+
+                        # Create file with build information
+                        touch BUILD_INFO
+                        echo 'Repository: ${project}/${env.BRANCH_NAME}' >> BUILD_INFO
+                        echo 'Commit: ${git_commit}' >> BUILD_INFO
+                        echo 'Jenkins build: ${BUILD_NUMBER}' >> BUILD_INFO
                     \""""
 
     sh "docker cp ${container_name(image_key)}:/home/jenkins/archive/event-formation-unit-centos7.tar.gz ."
-    archiveArtifacts "event-formation-unit-centos7.tar.gz"
+    sh "docker cp ${container_name(image_key)}:/home/jenkins/archive/BUILD_INFO ."
+    archiveArtifacts "event-formation-unit-centos7.tar.gz,BUILD_INFO"
 }
 
 def get_pipeline(image_key)
@@ -208,7 +222,7 @@ def get_pipeline(image_key)
             node ("docker") {
                 try {
                     def container = get_container(image_key)
-                    
+
                     docker_clone(image_key)
                     if (image_key != clangformat_os) {
                       docker_dependencies(image_key)
@@ -219,15 +233,15 @@ def get_pipeline(image_key)
                     if (image_key == coverage_on) {
                         docker_tests_coverage(image_key)
                     } else if (image_key == clangformat_os) {
-                        
+
                     } else {
                       docker_tests(image_key)
                     }
 
                     if (image_key == archive_what) {
                         docker_archive(image_key)
                     }
-                    
+
                     if (image_key == clangformat_os) {
                         docker_cppcheck(image_key)
                         step([$class: 'WarningsPublisher', parserConfigurations: [[parserName: 'Cppcheck Parser', pattern: "cppcheck.txt"]]])