gitlab: pull before_script logic into .base_meson_job_template

This ensures that all jobs have the $JOBS env set and capture the
packages.txt content (where available) in their logs, and all use
the job section headers.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>
Link: https://lore.kernel.org/qemu-devel/20260624124657.2725376-6-berrange@redhat.com
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>

.gitlab-ci.d/base.yml

@@ -148,6 +148,15 @@ variables:
       - build/meson-logs
     reports:
       junit: build/meson-logs/*.junit.xml
+  before_script:
+    - source scripts/ci/gitlab-ci-section
+    - section_start setup "Pre-script setup"
+    - JOBS=$(expr $(nproc) + 1)
+    # Prevent logs (if any) from prior build job artifacts
+    # from being duplicated in the new job artifacts
+    - rm -f build/meson-logs/*
+    - test -f /packages.txt && cat /packages.txt
+    - section_end setup
 
 .base_meson_ccache_job_template:
   extends: .base_meson_job_template

.gitlab-ci.d/buildtest-template.yml

@@ -3,12 +3,6 @@
   extends: .base_meson_ccache_job_template
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG
-  before_script:
-    - source scripts/ci/gitlab-ci-section
-    - section_start setup "Pre-script setup"
-    - JOBS=$(expr $(nproc) + 1)
-    - cat /packages.txt
-    - section_end setup
   script:
     - !reference [.base_meson_ccache_job_template, script]
     - du -sh .git
@@ -74,11 +68,6 @@
 
 .native_test_job_template:
   extends: .common_test_job_template
-  before_script:
-    # Prevent logs from the build job that run earlier
-    # from being duplicated in the test job artifacts
-    - rm -f build/meson-logs/*
-
 
 .functional_test_job_template:
   extends: .common_test_job_template
@@ -96,27 +85,18 @@
       - build/tests/functional/*/*/*.log
     reports:
       junit: build/meson-logs/*.junit.xml
-  before_script:
-    - export QEMU_TEST_ALLOW_UNTRUSTED_CODE=1
-    - export QEMU_TEST_CACHE_DIR=${CI_PROJECT_DIR}/functional-cache
-    # Prevent logs from the build job that run earlier
-    # from being duplicated in the test job artifacts
-    - rm -f build/meson-logs/*
   after_script:
     - cd build
     - du -chs ${CI_PROJECT_DIR}/*-cache
   variables:
     QEMU_JOB_FUNCTIONAL: 1
+    QEMU_TEST_ALLOW_UNTRUSTED_CODE: 1
+    QEMU_TEST_CACHE_DIR: ${CI_PROJECT_DIR}/functional-cache
 
 .wasm_build_job_template:
   extends: .base_meson_job_template
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG
-  before_script:
-    - source scripts/ci/gitlab-ci-section
-    - section_start setup "Pre-script setup"
-    - JOBS=$(expr $(nproc) + 1)
-    - section_end setup
   script:
     - du -sh .git
     - mkdir build

.gitlab-ci.d/crossbuild-template.yml

@@ -3,12 +3,6 @@
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG
   timeout: 80m
-  before_script:
-    - source scripts/ci/gitlab-ci-section
-    - section_start setup "Pre-script setup"
-    - JOBS=$(expr $(nproc) + 1)
-    - cat /packages.txt
-    - section_end setup
   script:
     - !reference [.base_meson_ccache_job_template, script]
     - mkdir build
@@ -48,9 +42,6 @@
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG
   timeout: 60m
-  before_script:
-    - source scripts/ci/gitlab-ci-section
-    - JOBS=$(expr $(nproc) + 1)
   script:
     - !reference [.base_meson_ccache_job_template, script]
     - mkdir build
@@ -73,9 +64,6 @@
   extends: .base_meson_ccache_job_template
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG
-  before_script:
-    - source scripts/ci/gitlab-ci-section
-    - JOBS=$(expr $(nproc) + 1)
   script:
     - !reference [.base_meson_ccache_job_template, script]
     - mkdir build