Update .gitlab-ci.yml file

.gitlab-ci.yml

+############ YAML ANCHORS ############
+.preliminaries_template: &preliminaries_definition
+  ## Install ssh-agent if not already installed, it is required by Docker.
+  ## (change apt-get to yum if you use an RPM-based image)
+  - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
+
+  ## Run ssh-agent (inside the build environment)
+  - eval $(ssh-agent -s)
+
+  ## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
+  ## We're using tr to fix line endings which makes ed25519 keys work
+  ## without extra base64 encoding.
+  ## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
+  - mkdir -p ~/.ssh
+  - chmod 700 ~/.ssh  
+  - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
+  # - echo "$SSH_KNOWN_HOSTS" > $HOME/.ssh/known_hosts
+  - ssh-keyscan -H -p 2202 gitlab.iri.upc.edu >> $HOME/.ssh/known_hosts
+
+  # update apt
+  - apt-get update
+
 .build_and_test_template: &build_and_test_definition
   - mkdir -pv build
   - cd build
@@ -19,75 +41,21 @@ license_header:
   stage: license
   image: labrobotica/wolf_deps:16.04
   before_script:  
-    ## Install ssh-agent if not already installed, it is required by Docker.
-    ## (change apt-get to yum if you use an RPM-based image)
-    - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
-
-    ## Run ssh-agent (inside the build environment)
-    - eval $(ssh-agent -s)
-
-    ## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
-    ## We're using tr to fix line endings which makes ed25519 keys work
-    ## without extra base64 encoding.
-    ## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
-    - mkdir -p ~/.ssh
-    - chmod 644 ~/.ssh  
-    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
-    # - echo "$SSH_KNOWN_HOSTS" > $HOME/.ssh/known_hosts
-    - ssh-keyscan -H -p 2202 gitlab.iri.upc.edu >> $HOME/.ssh/known_hosts
-
-    # update apt
-    - apt-get update
-
-
-
-    ##
-    ## Install ssh-agent if not already installed, it is required by Docker.
-    ## (change apt-get to yum if you use an RPM-based image)
-    ##
-    #- 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )'
-
-    ##
-    ## Run ssh-agent (inside the build environment)
-    ##
-    #- eval $(ssh-agent -s)
-
-    ##
-    ## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
-    ## We're using tr to fix line endings which makes ed25519 keys work
-    ## without extra base64 encoding.
-    ## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
-    ##
-    #- echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
-
-    ##
-    ## Create the SSH directory and give it the right permissions
-    ##
-    #- mkdir -p ~/.ssh
-    #- chmod 700 ~/.ssh
-
-    ##
-    ## Assuming you created the SSH_KNOWN_HOSTS variable, uncomment the
-    ## following two lines.
-    ##
-    #- echo "$SSH_KNOWN_HOSTS"
-    #- echo "$SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts
-    #- ssh-keyscan -H -p 2202 gitlab.iri.upc.edu
-    #- ssh-keyscan -H -p 2202 gitlab.iri.upc.edu >> $HOME/.ssh/known_hosts
-    #- chmod 644 ~/.ssh/known_hosts
+    - *preliminaries_definition
     
   script:
-    - echo "$CI_EMAIL"
-    - echo "$CI_USERNAME"
     - git config --global user.email "${CI_EMAIL}"
     - git config --global user.name "${CI_USERNAME}"
+
     - touch prova.txt
     - git add -f prova.txt
     - git commit -m "added prova.txt" || echo "No changes, nothing to commit!"
+
     # we need to extract the ssh/git URL as the runner uses a tokenized URL
-    - export CI_PUSH_REPO=`echo $CI_REPOSITORY_URL | perl -pe 's#.*@(.+?(\:\d+)?)/#git@\1:#'`
+    - export CI_PUSH_REPO=`echo ssh://$CI_REPOSITORY_URL | perl -pe 's#.*@(.+?(\:\d+)?)/#git@\1:#'`
     - echo "$CI_PUSH_REPO"
-    - git remote set-url --push origin ssh://git@gitlab.iri.upc.edu:2202/mobile_robotics/wolf_projects/wolf_lib/wolf.git
+    - git remote set-url --push origin $CI_PUSH_REPO
+    #- git remote set-url --push origin ssh://git@gitlab.iri.upc.edu:2202/mobile_robotics/wolf_projects/wolf_lib/wolf.git
     - echo "$CI_COMMIT_REF_NAME"
     # push changes
     # always return true so that the build does not fail if there are no changes