Automatically fix url and baseurl in GitLab CI

.ci_fix_baseurl.sh

+#!/bin/bash
+
+if [[ "$CI_JOB_ID" == "" ]]; then
+  echo "Not running in GitLab CI" 1>&2
+  exit
+fi
+
+# Remove everything before the domain from CI_PAGES_URL
+ci_baseurl="${CI_PAGES_URL##*$CI_PAGES_DOMAIN}"
+
+# Opposite of above
+ci_url="${CI_PAGES_URL%$ci_baseurl*}"
+
+# Remove trailing / from baseurl
+if [[ "$ci_baseurl" == */ ]]; then
+  ci_baseurl="${ci_baseurl%/*}"
+fi
+
+sed -i 's|^baseurl:.*$|baseurl: "'"$ci_baseurl"'"|' _config.yml
+sed -i 's|^url:.*$|url: "'"$ci_url"'"|' _config.yml

.gitlab-ci.yml

@@ -11,6 +11,7 @@ before_script:
 pages:
   stage: deploy
   script:
+  - ./.ci_fix_baseurl.sh
   - jekyll build -d public
   artifacts:
     paths: