.gitlab-ci.yml: skip latexmk, remove texmf-dist texlive

TODO

.gitignore

@@ -1,5 +1,6 @@
 *~
 .~*#
+.cache/**
 
 # ---> TeX
 ## Core latex/pdflatex auxiliary files:

.gitlab-ci.yml

@@ -0,0 +1,19 @@
+# Based on https://pre-commit.com
+image: python:alpine
+gitlab-ci-pre-commit:
+  stage: build
+  before_script:
+    - apk add --no-cache git gcc musl-dev go
+    - pip install pre-commit
+  script:
+    - pre-commit run --all-files --show-diff-on-failure
+  variables:
+    # Remember to gitignore .cache/**
+    PRE_COMMIT_HOME: ${CI_PROJECT_DIR}/.cache/pre-commit
+    TERM: dumb
+    # TODO: How to LaTeX on Alpine? texmf-dist texlive packages aren't enough
+    # for the artikel3 or similar templates.
+    SKIP: latexmk
+  cache:
+    paths:
+      - ${PRE_COMMIT_HOME}

.pre-commit-config.yaml

@@ -6,6 +6,7 @@ ci:
   # https://github.com/pre-commit-ci/issues/issues/83
   autoupdate_schedule: quarterly
   skip: [latexmk]
+
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0
@@ -25,28 +26,41 @@ repos:
         exclude: ^LICENSES\/.*|LICENSE|associations\/.*|.*\.conf$$
         # File types depending on trailing whitespace. Use identify-cli
         exclude_types: [tsv, markdown]
+
   - repo: https://github.com/thlorenz/doctoc
     rev: v2.2.0
     hooks:
       - id: doctoc
         args: [--update-only, --notitle]
+
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.23.0
+    hooks:
+      #- id: check-dependabot
+      #- id: check-github-actions
+      #- id: check-github-workflows
+      - id: check-gitlab-ci
+
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: "v3.0.0-alpha.9-for-vscode"
     hooks:
       - id: prettier
         additional_dependencies:
           ["prettier@2.8.8", "@prettier/plugin-xml@2.2.0"]
+
   - repo: https://github.com/scop/pre-commit-shfmt
     rev: v3.6.0-2
     hooks:
       - id: shfmt
         #- id: shfmt-docker
+
   - repo: https://github.com/editorconfig-checker/editorconfig-checker.python
     rev: "2.7.1"
     hooks:
       - id: editorconfig-checker
         alias: ec
         args: [-disable-max-line-length]
+
   - repo: local
     hooks:
       - id: latexmk