Fix GitLab sync workflow push command

Author: ymtezo

.github/workflows/sync-to-gitlab.yml

@@ -25,5 +25,17 @@ jobs:
           GITLAB_REPO: ${{ secrets.GITLAB_REPO }}
         run: |
           git remote remove gitlab 2>/dev/null || true
-          git remote add gitlab "${GITLAB_REPO}"
-          git push --mirror "https://oauth2:${GITLAB_TOKEN}@${GITLAB_REPO#https://}"
+          
+          # GitLab縺ｮ隱崎ｨｼURL繧剃ｽ懈・
+          AUTH_URL="https://oauth2:${GITLAB_TOKEN}@${GITLAB_REPO#https://}"
+          
+          # 蜈ｨ縺ｦ縺ｮ繝ｪ繝｢繝ｼ繝郁ｿｽ霍｡繝悶Λ繝ｳ繝√ｒ繝ｭ繝ｼ繧ｫ繝ｫ繝悶Λ繝ｳ繝√↓縺吶ｋ・・rigin/xxx -> xxx・・
+          # 窶ｻ縺薙ｌ縺ｫ繧医ｊrefs/remotes/origin/* 縺碁€∽ｿ｡諡貞凄縺輔ｌ繧九お繝ｩ繝ｼ繧貞屓驕ｿ
+          git branch -r | grep -v '\->' | while read remote; do
+            branch="${remote#origin/}"
+            git branch -f "$branch" "$remote" 2>/dev/null || true
+          done
+          
+          # 蜈ｨ繝悶Λ繝ｳ繝√→繧ｿ繧ｰ繧貞ｼｷ蛻ｶ繝励ャ繧ｷ繝･
+          git push --all --force "$AUTH_URL"
+          git push --tags --force "$AUTH_URL"