gitlab-ci: Add PKG_ONLY

This allows for easy package builds saving resources.

.gitlab-ci.yml

@@ -20,6 +20,9 @@ build_docs:
       - apt-get -y install python3-pip python3-sphinx
       - pip3 install recommonmark
       - ./doc/build.sh _build
+  except:
+    variables:
+      - $PKG_ONLY == "1"
 
 build_meson:
   stage: build
@@ -31,40 +34,46 @@ build_meson:
     - apt-get -y build-dep .
     - meson . _build/ -Ddepdatadir=/usr/share --werror
     - ninja -C _build install
+  except:
+    variables:
+      - $PKG_ONLY == "1"
 
 build_deb:
-    stage: build
-    artifacts:
-      paths:
-        - "*.deb"
-    script:
-        - rm -f ../*.deb
-        - apt-get -y build-dep .
-        - apt-get -y install devscripts
-        - debuild -i -us -uc -b
-        - cp ../*.deb .
+  stage: build
+  artifacts:
+    paths:
+      - "*.deb"
+  script:
+      - rm -f ../*.deb
+      - apt-get -y build-dep .
+      - apt-get -y install devscripts
+      - debuild -i -us -uc -b
+      - cp ../*.deb .
 
 build_deb:arm64:
-    tags:
-        - aarch64
-    stage: build
-    artifacts:
-      paths:
-        - "*.deb"
-    script:
-        - rm -f ../*.deb
-        - apt-get -y build-dep .
-        - apt-get -y install devscripts
-        - debuild -i -us -uc -b
-        - cp ../*.deb .
+  tags:
+      - aarch64
+  stage: build
+  artifacts:
+    paths:
+      - "*.deb"
+  script:
+      - rm -f ../*.deb
+      - apt-get -y build-dep .
+      - apt-get -y install devscripts
+      - debuild -i -us -uc -b
+      - cp ../*.deb .
 
 test_lintian:
-    stage: test
-    dependencies:
-        - build_deb
-    script:
-        - apt-get -y install lintian
-        - lintian *.deb
+  stage: test
+  dependencies:
+    - build_deb
+  script:
+    - apt-get -y install lintian
+    - lintian *.deb
+  except:
+    variables:
+      - $PKG_ONLY == "1"
 
 test:
   stage: test
@@ -75,6 +84,9 @@ test:
     - apt-get -y install clang-tidy
     - ninja -C _build test
     - tools/style-check _build
+  except:
+    variables:
+      - $PKG_ONLY == "1"
 
 check_release:
   stage: test
@@ -84,3 +96,6 @@ check_release:
   script:
     - apt-get -y install git python3
     - (head -n 1 ./debian/changelog && git tag) | ./debian/check_release.py
+  except:
+    variables:
+      - $PKG_ONLY == "1"