.gitlab-ci.yml: add go package

.gitlab-ci.yml

@@ -3,7 +3,7 @@ image: python:alpine
 gitlab-ci-pre-commit:
   stage: build
   before_script:
-    - apk update && apk add git gcc musl-dev
+    - apk update && apk add git gcc musl-dev go
     - pip install pre-commit
   script:
     - pre-commit run --all-files --show-diff-on-failure
@@ -11,8 +11,6 @@ gitlab-ci-pre-commit:
     # Remember to gitignore .cache/**
     PRE_COMMIT_HOME: ${CI_PROJECT_DIR}/.cache/pre-commit
     TERM: dumb
-    # TODO: Figure out how to properly Go on Alpine
-    SKIP: shfmt
   cache:
     paths:
       - ${PRE_COMMIT_HOME}