| up_repo | Optional, upstream repository, like 'owner/example_repo', default using parent if is a fork repository. | no | "" |
| token | Optional, Github token, no push event triggered if using 'secrets.GITHUB_TOKEN' or 'github.token'. | no | ${{ github.token }} |
| branch | Optional, branch to be updated | no | ${{ github.ref_name }} |
| up_branch | Optional, upstream branch to be sycned | no | ${{ github.ref_name }} |
| method | Optional, method to sync repo, one of [rebase, merge, hardreset] | no | rebase |
| gpg_private_key | Optional, for auto gpg signing | no | "" |
| gpg_passphrase | Optional, for auto gpg signing | no | "" |