Update CI/install_debian_deps.sh, .gitlab-ci.yml

.gitlab-ci.yml

@@ -69,8 +69,8 @@ Coverity:
     - linux
   image: ubuntu:20.04
   stage: build
-  #rules:  # TODO: remove comment before merging
-  #  - if: $CI_PIPELINE_SOURCE == "schedule"
+  rules:  # TODO: remove comment before merging
+    - if: $CI_PIPELINE_SOURCE == "schedule"
   cache:
     key: Coverity.ubuntu_20.04.v1
     paths:
@@ -84,7 +84,6 @@ Coverity:
     CMAKE_CXX_FLAGS_DEBUG: -O0
   before_script:
     - CI/install_debian_deps.sh coverity openmw-deps openmw-deps-dynamic
-    - apt-get install -y clang-11
     - curl -o /tmp/cov-analysis-linux64.tgz https://scan.coverity.com/download/linux64
       --form project=$COVERITY_SCAN_PROJECT_NAME --form token=$COVERITY_SCAN_TOKEN
     - tar xfz /tmp/cov-analysis-linux64.tgz

CI/install_debian_deps.sh

@@ -11,7 +11,7 @@ print_help() {
 declare -rA GROUPED_DEPS=(
   [gcc]="binutils gcc build-essential cmake ccache curl unzip git pkg-config mold"
   [clang]="binutils clang make cmake ccache curl unzip git pkg-config mold"
-  [coverity]="binutils clang make cmake ccache curl unzip git pkg-config"
+  [coverity]="binutils clang-11 make cmake ccache curl unzip git pkg-config"
 
   # Common dependencies for building OpenMW.
   [openmw-deps]="