The command handles:
- Automatic forking of the target repository if it doesn't exist.
- Smart workspace detection and cloning.
- Syncing the target branch with upstream.
- Merging the source branch using the 'theirs' strategy.
- Cleaning up files not present in the source branch to ensure a clean forward.
- Optimized LFS fetching for specific incoming commits.
- Force pushing the synchronized state to the fork and opening the Pull Request.