Draft: TEST_CI_FORK_DO_NOT_MERGE

This is a test to try and run a MERGE CI with new script to download job artifacts.

.gitlab/ci/build.gitlab-ci.yml

@@ -11,7 +11,88 @@ build:ubuntu_cpp:
     # aidge_core
     - DEPENDENCY_NAME="aidge_core"
     - DEPENDENCY_JOB="build:ubuntu_cpp"
-    - !reference [.download_dependency, script]
+    - API_URL="https://gitlab.eclipse.org/api/v4"
+    # - !reference [.download_dependency, script]
+    - apt-get -qq install -y jq
+    # Check if a branch with the same name exist on the dependency repository
+    - BRANCH_TO_PULL="dev" # default branch
+    - set -x
+    - >
+      if [ "$CI_MERGE_REQUEST_ID" ]; then # CASE MERGE REQUEST
+          echo "Merge request pipeline detected"
+          if [ $(curl -s -o /dev/null -w "%{http_code}" "https://gitlab.eclipse.org/eclipse/aidge/$DEPENDENCY_NAME/-/tree/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME") -eq 404 ]; then
+              echo "Pull from default"
+          else
+              # Pulling from target branch
+              echo "Pull from ${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}"
+              BRANCH_TO_PULL=${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}
+          fi
+      else # CASE CASUAL COMMIT
+      # checking if given branch exist on official repo or on fork
+        if [[  $(curl -s -o /dev/null -w "%{http_code}" "https://gitlab.eclipse.org/eclipse/${CI_PROJECT_NAMESPACE}/$DEPENDENCY_NAME/-/tree/$CI_COMMIT_REF_NAME") -ne 302  &&  $(curl -s -o /dev/null -w "%{http_code}" "https://gitlab.eclipse.org/eclipse/${CI_PROJECT_NAMESPACE}/$DEPENDENCY_NAME/-/tree/$CI_COMMIT_REF_NAME") -ne 404 ]]; then
+      # replace this long call by a check on group namespace
+          PULL_FROM_FORK=FALSE
+          BRANCH_TO_PULL=$CI_COMMIT_REF_NAME
+        elif [[  $(curl -s -o /dev/null -w "%{http_code}" "https://gitlab.eclipse.org/${CI_PROJECT_NAMESPACE}/$DEPENDENCY_NAME/-/tree/$CI_COMMIT_REF_NAME") -ne 302  &&  $(curl -s -o /dev/null -w "%{http_code}" "https://gitlab.eclipse.org/${CI_PROJECT_NAMESPACE}/$DEPENDENCY_NAME/-/tree/$CI_COMMIT_REF_NAME") -ne 302   ]]; then
+          PULL_FROM_FORK=TRUE
+          BRANCH_TO_PULL=$CI_COMMIT_REF_NAME
+        else
+          PULL_FROM_FORK=FALSE
+          echo "No branch \"$CI_COMMIT_REF_NAME\" found for \"$DEPENDENCY_NAME\" in official or forked repos."
+        fi
+      fi
+    - echo "Pulling from branch:\"$BRANCH_TO_PULL\""
+
+    # Get project information
+    - PROJECT_INFO=$(curl -s --header "PRIVATE-TOKEN:${CI_JOB_TOKEN}" "${API_URL}/projects/${DEPENDENCY_NAME}")
+    - OWNER=$(echo "$PROJECT_INFO" | jq -r '.owner')
+    - echo "${CI_PROJECT_PATH}"
+    - echo "${CI_PROJECT_DIR}"
+    - echo "${CI_PROJECT_URL}"
+    - echo "${CI_PROJECT_NAMESPACE}"
+    - echo "${CI_PROJECT_NAMESPACE_ID}"
+    - echo $(curl -s --header "PRIVATE-TOKEN:${CI_JOB_TOKEN}" "${API_URL}/projects")
+    - echo $(curl -s --header "PRIVATE-TOKEN:${CI_JOB_TOKEN}" "${API_URL}/projects/${CI_PROJECT_ID}")
+    - echo ${CI_PROJECT_ROOT_NAMESPACE}
+    - PROJECT_NAMESPACE=$(curl --header "PRIVATE-TOKEN:${CI_JOB_TOKEN}" "${API_URL}/namespaces")
+    - PROJECT_INFO=$(curl -s --header "PRIVATE-TOKEN:${CI_JOB_TOKEN}" "${API_URL}/projects/${CI_PROJECT_ID}")
+    - >
+      if [[ ! $PULL_FROM_FORK ]]; then # nominal case : we are in the official project
+        DEPENDENCY_ID=$(curl "${API_URL}/groups/${CI_PROJECT_NAMESPACE_ID}/projects?search=${DEPENDENCY_NAME}" | jq -r '.[0].id')
+      else # case for fork
+        echo "Retrieving build_artifacts from user' forked project."
+        USER_ID=$(curl --header "PRIVATE_TOKEN: $CI_JOB_TOKEN" "${API_URL}/users" | jq -r '.[0].id')
+        DEPENDENCY_ID=$(curl --header "PRIVATE_TOKEN: $CI_JOB_TOKEN" "${API_URL}/users/${CI_PROJECT_NAMESPACE_ID}/projects?search=${DEPENDENCY_NAME}" | jq -r '.[0].id')
+      fi
+
+    # Retrieve latest successful $DEPENDENCY_JOB  $BRANCH_TO_PULL
+    - PIPELINES=$(curl -s --header "PRIVATE_TOKEN:$CI_JOB_TOKEN" "${API_URL}/projects/$DEPENDENCY_ID/pipelines?ref=${BRANCH_TO_PULL}&order_by=updated_at&sort=desc")
+    - JOB_ID=-1
+    # handle case where there is no branch with the same name
+    - >
+      for i in $(seq 0 $(jq length <<< "$PIPELINES")); do
+        PIPELINE_ID=$(jq --argjson idx $i '.[$idx].id' <<< $PIPELINES)
+        JOBS=$(curl -s --header "PRIVATE_TOKEN: $CI_JOB_TOKEN" "${API_URL}/projects/$DEPENDENCY_ID/pipelines/$PIPELINE_ID/jobs" | jq --arg job_name "$DEPENDENCY_JOB" 'map(select((.name == $job_name) and (.status == "success")))')
+        if [[ $(jq '. | length' <<< $JOBS) > 0 ]]; then
+          JOB_ID=$(jq '.[0].id' <<< $JOBS)
+          break
+        fi
+      done
+    - >
+      if( $JOB_ID == -1 ) ; then
+        echo "ERROR : no successful job \"$DEPENDENCY_JOB\" found in branch \"$BRANCH_TO_PULL\" for project \"$DEPENDENCY_NAME\""
+      else
+        echo "Successful job \"$DEPENDENCY_JOB\" found in branch \"$BRANCH_TO_PULL\" for project \"$DEPENDENCY_NAME\""
+      fi
+    - set +x
+
+    - echo "curling from \"${API_URL}/projects/$DEPENDENCY_ID/jobs/$JOB_ID/artifacts\""
+    - curl --location --output build_artifacts.zip --header "PRIVATE_TOKEN:$CI_JOB_TOKEN" "${API_URL}/projects/$DEPENDENCY_ID/jobs/$JOB_ID/artifacts" 
+
+    - unzip -q -o build_artifacts.zip -d .
+    - rm -rf build_cpp
+   # end !reference[]
+
 
     # Build current module
     - export CMAKE_PREFIX_PATH=../install_cpp