[gitlab] Let shellcheck choose sh version

.gitlab-ci.yml

@@ -5,17 +5,17 @@
 # you can delete this line if you're not using Docker
 image: fnichol/check-shell:latest
 
-shellcheck:
+analyze:
   stage: test
   before_script:
     - shellcheck --version
   script:
     - echo "--------- CHECKING POSIX SHELLSCRIPTS -------------"
-    - find . -type f -name '*.sh' | xargs shellcheck -s sh
+    - find . -type f -name '*.sh' | xargs shellcheck
     - echo "--------- CHECKING ZSH SHELLSCRIPTS -------------"
-    - find . -type f -name '*.zsh' | xargs shellcheck -s bash
+    - find . -type f -name '*.zsh' | xargs shellcheck -s bash -e SC2034
 
-shfmt:
+lint:
   stage: test
   before_script:
     - shfmt -version
@@ -24,3 +24,11 @@ shfmt:
     - find . -type f -name '*.sh' | xargs shfmt -d -i 2
     - echo "--------- CHECKING ZSH SHELLSCRIPTS -------------"
     - find . -type f -name '*.zsh' | xargs shfmt -d -i 2
+
+test:
+  stage: test
+  image: bats/bats:latest
+  before_script:
+    - bats --version
+  script:
+    - bats -r .