Add VERSION file, get release version from env

.gitlab-ci.yml

 ---
 
 stages:
+  - prepare
   - build
 
 variables:
-   GIT_SUBMODULE_STRATEGY: recursive
+  GIT_SUBMODULE_STRATEGY: recursive
+
+
+prepare_environment:
+  stage: prepare
+  rules:
+    - if: $CI_COMMIT_TAG
+      when: never
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  image:
+    name: alpine:3.14
+  script:
+    - FNT_REV="$(cat VERSION)"
+    - FNT_REV="${FNT_REV//[[:space:]]/}"
+    - echo "FNT_REV=${FNT_REV}" >> variables.env
+    - echo "REG_GEN=${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/gypt-fonts/${FNT_REV}" >> variables.env
+  artifacts:
+    reports:
+      dotenv: variables.env
+  tags:
+    - docker
 
 
 build:

VERSION

+0.0.0

build_fonts.py

@@ -14,7 +14,7 @@ _root_dir = Path(__file__).parent.resolve(strict=True)
 _timestamp = int(time())
 
 _copyright = '© 2021 German Young Physicists’ Tournament, with reserved Font Name ‘GYPT’.'
-_version = f'0.{_timestamp}'
+_version = os.getenv('FNT_REV', f'0.0.{_timestamp}')
 
 
 STYLES = [