Add basic auth header

action.yml

@@ -4,9 +4,11 @@ runs:
   using: "composite"
   steps:
     - run: |
+        mkdir -p /tmp/newdir && cd /tmp/newdir
         git init
-        git remote add origin "$GITEA_SERVER_URL/$GITEA_REPOSITORY"
-        git fetch origin "$GITEA_REF"
-        git checkout "$GITEA_REF_NAME"
+        git remote add origin "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY"
+        basicauth=$(echo -n "x-access-token:${{ secrets.GITHUB_TOKEN }}" | base64)
+        git config --local http.$GITHUB_SERVER_URL.extraheader "AUTHORIZATION: basic ${basicauth}"
+        git fetch origin "$GITHUB_REF"
+        git checkout "$GITHUB_REF_NAME"
       shell: bash
-