Compress the CI release artifacts before passing to upload

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

.gitlab-ci.yml

@@ -210,14 +210,19 @@ package-app:
   stage: package
   variables: &release-variables
     MIX_ENV: "prod"
+    APP_VERSION: "${CI_COMMIT_TAG}"
+    APP_ASSET: "${CI_PROJECT_NAME}_${APP_VERSION}_${ARCH}.tar.gz"
   script: &release-script
     - mix local.hex --force
     - mix local.rebar --force
     - mix deps.get && mix tz_world.update
     - mix phx.digest
     - mix release --path release/mobilizon
-    - cd release/mobilizon && ln -s lib/mobilizon-*/priv priv
+    - cd release/mobilizon && ln -s lib/mobilizon-*/priv priv && cd ../../
     - du -sh release/
+    - 'echo "Artifact: ${APP_ASSET}"'
+    - tar czf ${APP_ASSET} -C release mobilizon
+    - du -sh ${APP_ASSET}
   only:
     - tags@framasoft/mobilizon
   artifacts:
@@ -240,14 +245,10 @@ release-upload:
   stage: upload
   image: framasoft/yakforms-assets-deploy:latest
   rules: *tag-rules
+  variables:
+    APP_VERSION: "${CI_COMMIT_TAG}"
+    APP_ASSET: "${CI_PROJECT_NAME}_${APP_VERSION}_${ARCH}.tar.gz"
   script:
-    - APP_VERSION="${CI_COMMIT_TAG}"
-    - APP_ASSET="${CI_PROJECT_NAME}_${APP_VERSION}_${ARCH}.tar.gz"
-
-    - 'echo "Artifact: ${APP_ASSET}"'
-    - tar czf ${APP_ASSET} -C release mobilizon
-    - ls -al ${APP_ASSET}
-
     - eval `ssh-agent -s`
     - ssh-add <(echo "${DEPLOYEMENT_KEY}" | base64 --decode -i)
     - echo "put -r ${APP_ASSET}" | sftp -o "VerifyHostKeyDNS yes" ${DEPLOYEMENT_USER}@${DEPLOYEMENT_HOST}:public/